Analysis
- max time kernel
91s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
01/03/2022, 18:12
General
- Target 9d2ff90f5169a6e991c79ab361753fd0264be8901bb2c6454d8465fa6edea45d.exe
- Size 274KB
- Sample220301-wthlnabah5
- SHA256 9d2ff90f5169a6e991c79ab361753fd0264be8901bb2c6454d8465fa6edea45d
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/944100345360027648/OXiqXgDP9MX8jylpP-V-9VcSkCLoIlG7dkkrxbxoWl_rMi6sHSXZgSZ0uzZn9Qtqy2RN
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\9d2ff90f5169a6e991c79ab361753fd0264be8901bb2c6454d8465fa6edea45d.exe"C:\Users\Admin\AppData\Local\Temp\9d2ff90f5169a6e991c79ab361753fd0264be8901bb2c6454d8465fa6edea45d.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/868-130-0x000001D49FFD0000-0x000001D4A001A000-memory.dmp
memory/868-131-0x00007FFC92093000-0x00007FFC92095000-memory.dmp
memory/868-132-0x000001D4BA510000-0x000001D4BA512000-memory.dmp