Analysis
- max time kernel
143s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
12/07/2023, 18:25
General
- Target 1c135a7b80703354a6d8bac14381447d.exe
- Size 274KB
- Sample230712-w2lchsfc81
- SHA256 cd8e9641046306857f3a12009ddf442922e32484696b475175c867e8ff580f3e
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/956477791124205569/zhz-iUwTtwf3ND8UdSeoNmdX8X4ElZBSxqhFrwstZ6oV5o-CWZxANYz737UasCARyImg
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\1c135a7b80703354a6d8bac14381447d.exe"C:\Users\Admin\AppData\Local\Temp\1c135a7b80703354a6d8bac14381447d.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
Process.txt
Process.txt
memory/2984-133-0x000001D3D9DA0000-0x000001D3D9DEA000-memory.dmp
memory/2984-164-0x000001D3DA2D0000-0x000001D3DA2E0000-memory.dmp