Analysis
- max time kernel
141s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
31/01/2024, 06:21
General
- Target 83adc552ebe34214c22d8c08fee3e532.exe
- Size 7.2MB
- Sample240131-g4e6ysehfj
- SHA256 85fd6b4f8248c71e5e5d5d6c361290933e9591ccd99b505a59d92e1b52201864
Score
10/10
Malware Config
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\83adc552ebe34214c22d8c08fee3e532.exe"C:\Users\Admin\AppData\Local\Temp\83adc552ebe34214c22d8c08fee3e532.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Process.txt
memory/4300-0-0x00000215F5C10000-0x00000215F5C5E000-memory.dmp
memory/4300-30-0x00007FFA97DE0000-0x00007FFA988A1000-memory.dmp
memory/4300-31-0x00000215F81B0000-0x00000215F81C0000-memory.dmp
memory/4300-118-0x00007FFA97DE0000-0x00007FFA988A1000-memory.dmp