Analysis
- max time kernel
93s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
09/04/2024, 02:38
General
- Target d006975785908bd891378c66553267cb89746e95a6728d877941e6f25c94f3ae.exe
- Size 303KB
- Sample240409-c4xc1sfe71
- SHA256 d006975785908bd891378c66553267cb89746e95a6728d877941e6f25c94f3ae
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/1226160357496721500/M8J7D5k1hO1RyahDiTtwdkk4Fvbpx4urcIZZllG8IAXSc4eGIg2m6G4UbF_cjPMvvv0D
Signatures
- 44Caliber
An open source infostealer written in C#.
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables Discord URL observed in first stage droppers 1 IoCs
- Detects executables referencing Discord tokens regular expressions 1 IoCs
- Detects executables referencing credit card regular expressions 1 IoCs
- Detects executables referencing many VPN software clients. Observed in infosteslers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- 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 behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d006975785908bd891378c66553267cb89746e95a6728d877941e6f25c94f3ae.exe"C:\Users\Admin\AppData\Local\Temp\d006975785908bd891378c66553267cb89746e95a6728d877941e6f25c94f3ae.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3868-0-0x0000014EF9220000-0x0000014EF9272000-memory.dmp
memory/3868-30-0x00007FFE8CE20000-0x00007FFE8D8E1000-memory.dmp
memory/3868-31-0x0000014EFAE60000-0x0000014EFAE70000-memory.dmp
memory/3868-32-0x00007FFE8CE20000-0x00007FFE8D8E1000-memory.dmp