Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/03/2024, 09:21
General
- Target dda9fdfc7cce385b13c96a10d8634417.exe
- Size 1.2MB
- Sample240325-lbm4baca53
- SHA256 876e5e9bbaf937b3dbcdaf019eee4e2b492ed2cfa47c3e264467ac9c97c052f1
Malware Config
Extracted
-
44caliber
-
https://discordapp.com/api/webhooks/859014405580783637/J-rOLcLQORAp4rSIpre0H46Lhmzd8QK1hgRFNA4mqYSEz6dtJRq9HsK-id725NgqZTvK
Signatures
- 44Caliber
An open source infostealer written in C#.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dda9fdfc7cce385b13c96a10d8634417.exe"C:\Users\Admin\AppData\Local\Temp\dda9fdfc7cce385b13c96a10d8634417.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Bookmarks.txt
Process.txt
Process.txt
Process.txt
memory/8-3-0x00000000040D0000-0x00000000040E0000-memory.dmp
memory/8-11-0x0000000006AF0000-0x0000000006B82000-memory.dmp
memory/8-37-0x0000000007640000-0x0000000007BE4000-memory.dmp
memory/8-0-0x0000000000E70000-0x0000000001220000-memory.dmp
memory/8-2-0x0000000074770000-0x0000000074F20000-memory.dmp
memory/8-1-0x0000000000E70000-0x0000000001220000-memory.dmp
memory/8-129-0x00000000074F0000-0x0000000007556000-memory.dmp
memory/8-133-0x0000000000E70000-0x0000000001220000-memory.dmp
memory/8-134-0x0000000074770000-0x0000000074F20000-memory.dmp