Analysis
- max time kernel
136s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
01/03/2022, 18:12
General
- Target 98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab.exe
- Size 274KB
- Sample220301-wtfr3abah4
- SHA256 98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/940987810394034176/DvPFN05_G7rxFlIjCTa9Gz9OX9Q2zMua7Rt4Q_CF-_Bpxe0HOtLB2QK7X8d0bNwVNl6l
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\98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab.exe"C:\Users\Admin\AppData\Local\Temp\98e1550881100955bf59a6b3120a60f45bf4bb91852c5e18fa24ed1affee40ab.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/784-130-0x000001D6DEB10000-0x000001D6DEB5A000-memory.dmp
memory/784-131-0x00007FF9A6DE3000-0x00007FF9A6DE5000-memory.dmp
memory/784-132-0x000001D6FA650000-0x000001D6FA652000-memory.dmp