Analysis
- max time kernel
115s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
01/03/2022, 18:14
General
- Target f0340ac2a3eb737c9842542de85cd7f0eda9469f55c6f8c6419055f1a82a8af2.exe
- Size 274KB
- Sample220301-wva8zacffm
- SHA256 f0340ac2a3eb737c9842542de85cd7f0eda9469f55c6f8c6419055f1a82a8af2
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/943953361051480117/bY4XtF54sBnlCQtX2e-fW-LWeLydoy2U3T2UdT-0mQglWZI4GyB_rry_NrQI2fJJsyVP
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\f0340ac2a3eb737c9842542de85cd7f0eda9469f55c6f8c6419055f1a82a8af2.exe"C:\Users\Admin\AppData\Local\Temp\f0340ac2a3eb737c9842542de85cd7f0eda9469f55c6f8c6419055f1a82a8af2.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/3668-130-0x000002100A0E0000-0x000002100A12A000-memory.dmp
memory/3668-131-0x00007FFB05963000-0x00007FFB05965000-memory.dmp
memory/3668-132-0x000002100A4A0000-0x000002100A4A2000-memory.dmp