Analysis
- max time kernel
113s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
04/05/2022, 14:04
General
- Target d2fa23ff3612073d344a51d35531337b.exe
- Size 274KB
- Sample220504-rc975aeaf3
- SHA256 72c486f862e71725ec5b05df3f273fee8ccd02b358d6e817d43e8f7f939980f9
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/868165756532179044/9Wht5QRwQI22RKhTqTychIaUX8rzws89p6FHzVstwwhhwpV9IhRLu6rdsBCywp4HVXuZ
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\d2fa23ff3612073d344a51d35531337b.exe"C:\Users\Admin\AppData\Local\Temp\d2fa23ff3612073d344a51d35531337b.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/4632-130-0x0000000000930000-0x000000000097A000-memory.dmp
memory/4632-131-0x00007FF9F9CB0000-0x00007FF9FA771000-memory.dmp