Golo Mühr

X-Force Threat Intelligence, IBM

Golo Mühr is an enthusiastic malware reverse-engineer with interests in IoT, ethical hacking and threat intelligence. His research covers various malware with a focus on botnet malware and crypters. Golo specializes in threat intelligence, malware detection and C2 communication analysis.

Threat Intelligence November 12, 2024

Strela Stealer: Today’s invoice is tomorrow’s phish

12 min read - As of November 2024, IBM X-Force has tracked ongoing Hive0145 campaigns delivering Strela Stealer malware to victims throughout Europe – primarily Spain, Germany and Ukraine. The phishing emails used in these campaigns are real invoice notifications, which have been stolen…

Threat Intelligence October 16, 2024

Hive0147 serving juicy Picanha with a side of Mekotio

17 min read - IBM X-Force tracks multiple threat actors operating within the flourishing Latin American (LATAM) threat landscape. X-Force has observed Hive0147 to be one of the most active threat groups operating in the region, targeting employee inboxes at scale, with a primary…

X-Force July 26, 2024

Hive0137 and AI-supplemented malware distribution

12 min read - IBM X-Force tracks dozens of threat actor groups. One group in particular, tracked by X-Force as Hive0137, has been a highly active malware distributor since at least October 2023. Nominated by X-Force as having the “Most Complex Infection Chain” in…

X-Force May 16, 2024

Grandoreiro banking trojan unleashed: X-Force observing emerging global campaigns

16 min read - Since March 2024, IBM X-Force has been tracking several large-scale phishing campaigns distributing the Grandoreiro banking trojan, which is likely operated as a Malware-as-a-Service (MaaS). Analysis of the malware revealed major updates within the string decryption and domain generating algorithm…

X-Force April 9, 2024

Hive0051 goes all in with a triple threat

13 min read - As of April 2024, IBM X-Force is tracking new waves of Russian state-sponsored Hive0051 (aka UAC-0010, Gamaredon) activity featuring new iterations of Gamma malware first observed in November 2023. These discoveries follow late October 2023 findings, detailing Hive0051’s use of…

X-Force March 11, 2024

Ongoing ITG05 operations leverage evolving malware arsenal in global campaigns

13 min read - As of March 2024, X-Force is tracking multiple ongoing ITG05 phishing campaigns featuring lure documents crafted to imitate authentic documents of government and non-governmental organizations (NGOs) in Europe, the South Caucasus, Central Asia, and North and South America. The uncovered…

Threat Intelligence February 28, 2024

X-Force data reveals top spam trends, campaigns and senior superlatives in 2023

10 min read - The 2024 IBM X-Force Threat Intelligence Index revealed attackers continued to pivot to evade detection to deliver their malware in 2023. The good news? Security improvements, such as Microsoft blocking macro execution by default starting in 2022 and OneNote embedded…

Threat Intelligence December 8, 2023

ITG05 operations leverage Israel-Hamas conflict lures to deliver Headlace malware

12 min read - As of December 2023, IBM X-Force has uncovered multiple lure documents that predominately feature the ongoing Israel-Hamas war to facilitate the delivery of the ITG05 exclusive Headlace backdoor. The newly discovered campaign is directed against targets based in at least…

Threat Intelligence November 6, 2023

GootBot – Gootloader’s new approach to post-exploitation

8 min read - IBM X-Force discovered a new variant of Gootloader — the “GootBot” implant — which facilitates stealthy lateral movement and makes detection and blocking of Gootloader campaigns more difficult within enterprise environments. X-Force observed these campaigns leveraging SEO poisoning, wagering on…

Threat Intelligence October 30, 2023

Hive0051’s large scale malicious operations enabled by synchronized multi-channel DNS fluxing

12 min read - Recent analysis of Hive0051 has identified three key changes to capabilities: an improved multi-channel approach to DNS fluxing, obfuscated multi-stage scripts, and the use of fileless PowerShell variants of the Gamma malware.

Threat Intelligence September 12, 2023

Email campaigns leverage updated DBatLoader to deliver RATs, stealers

11 min read - IBM X-Force has identified new capabilities in DBatLoader malware samples delivered in recent email campaigns, signaling a heightened risk of infection from commodity malware families associated with DBatLoader activity. Explore the analysis.

Threat Intelligence September 7, 2023

New Hive0117 phishing campaign imitates conscription summons to deliver DarkWatchman malware

8 min read - IBM X-Force uncovered a new phishing campaign likely conducted by Hive0117 delivering the fileless malware DarkWatchman, directed at individuals associated with major energy, finance, transport, and software security industries based in Russia, Kazakhstan, Latvia, and Estonia. DarkWatchman malware is capable…

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Topics

Golo Mühr

Strela Stealer: Today’s invoice is tomorrow’s phish

Hive0147 serving juicy Picanha with a side of Mekotio

Hive0137 and AI-supplemented malware distribution

Grandoreiro banking trojan unleashed: X-Force observing emerging global campaigns

Hive0051 goes all in with a triple threat

Ongoing ITG05 operations leverage evolving malware arsenal in global campaigns

X-Force data reveals top spam trends, campaigns and senior superlatives in 2023

ITG05 operations leverage Israel-Hamas conflict lures to deliver Headlace malware

GootBot – Gootloader’s new approach to post-exploitation

Hive0051’s large scale malicious operations enabled by synchronized multi-channel DNS fluxing

Email campaigns leverage updated DBatLoader to deliver RATs, stealers

New Hive0117 phishing campaign imitates conscription summons to deliver DarkWatchman malware

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Topic updates