Analysis
- max time kernel
147s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
31/12/2023, 00:53
General
- Target 224e8b219e855f118375d487e6ac15f0.exe
- Size 252KB
- Sample231231-a86q5scbb9
- SHA256 80d0de1de27f659bdc31d0aab393837167b348ff4029e354be394fb2b79ba371
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discordapp.com/api/webhooks/869635461541429258/hxEYazB2m_bqWOWdlnRrBOnLi8waabSchbnYiXPHDudSBlAEOry51hz3i902VgDh1LGm
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\224e8b219e855f118375d487e6ac15f0.exe"C:\Users\Admin\AppData\Local\Temp\224e8b219e855f118375d487e6ac15f0.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
Process.txt
Process.txt
Process.txt
memory/4828-0-0x0000000000C30000-0x0000000000C76000-memory.dmp
memory/4828-30-0x00007FFBAE610000-0x00007FFBAF0D1000-memory.dmp
memory/4828-31-0x000000001BA30000-0x000000001BA40000-memory.dmp
memory/4828-126-0x00007FFBAE610000-0x00007FFBAF0D1000-memory.dmp