26 May 2022 While the actual blog post has been difficult to access for some, Positive Technologies released research on the Space Pirates APT group that has been spotted intruding on government, IT, and critical…
15 May 2022 RTF SHA256: ac64adbfa128fd5f31bd922957942a1b80c56ee119791a29b939be04e1d7e2ba Filename: PO#JEL180409TH IR & JEL180409TH IRB.doc VirusTotal Score: 30/59 as of 12 May 2022 What’s An RTF? First released some 35 years ago, the Rich Text Format (RTF) file…
Background Adversaries frequently utilize scheduled tasks, a legitimate Windows operating system utility to establish/maintain persistence and even execute code in a victim network. Scheduled tasks allow for persistence on a victim network between reboots as…
Although not utilized in attacks for initial access, web shells remain a go-to for all sorts of attackers, from cyber criminals to APT’s when it comes to post-exploitation. The server-side component of a web shell…
Summary On January 27, 2022, Malwarebytes Labs shared an article covering new tactics including abusing the Windows Update Client for code executing believed to be the work of Lazarus. The purpose of this post will…
Summary SHA256: dedb8516befa4a5088000b8c7f699dae7f33761403dd355a14684ac89ff56a9a Filename: Unknown Filetype: DLL File size: 39KB From here on, the above DLL will be referred to as “downloader.dll”. The file is capable of: Downloading files Interacting with a C2 server Malware…
Summary SHA256: 3275f42c85c9e2fcb80d1f8c1c6227c2bcde9c0e719905ddbd2ca7373c6a8ec6 Filename: UpHelpers.exe Size: 3.41MB Extension: EXE Compilation Timestamp: 2022-01-05 23:41:20 Sandbox analysis: https://tria.ge/220118-emrgjsgfb7 UpHelpers.exe is an information-stealing/reconnaissance tool disguised as a Naver One Time Password, (OTP) generator app. Naver is a South…
I wanted to do a quick write-up on an interesting PowerPoint macro document that contains njRAT. njRAT is a .NET trojan first identified in 2013 that has largely targeted countries in the Middle East as…
Often attributed to Chinese-speaking threat actors, PlugX a remote access trojan(RAT), was identified by security researchers in 2012. With several variants of the RAT identified by vendors over the year, many techniques used to compromise…
No stranger to this blog, BlackTech has continued to modify techniques to compromise networks and even suffered an OPSEC slip in the way of an open directory. This post will cover a malicious document similar…