Analysis
- max time kernel
92s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
01/03/2022, 18:14
General
- Target e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe
- Size 274KB
- Sample220301-wt91xacffl
- SHA256 e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/943141900322476072/GjK61zorb3nwVtePBP3tyPQUgQCr3kslJErtnc3dnzL700s3K1KFQ-Qqkf6KqjfMCfjF
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.
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe"C:\Users\Admin\AppData\Local\Temp\e2a4b8f1733623c4e27c1dd9395c18d5d95c841608e5b9408064c68cb805daf3.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3036-131-0x00000291E8ED0000-0x00000291E8F1A000-memory.dmp
memory/3036-132-0x00007FFB35163000-0x00007FFB35165000-memory.dmp
memory/3036-133-0x00000291EAB80000-0x00000291EAB82000-memory.dmp