Analysis
- max time kernel
95s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20220331-en - submitted
06/04/2022, 10:57
General
- Target MIDNIGHT FREE.exe
- Size 274KB
- Sample220406-m2q4bsfcfj
- SHA256 00050076a05669ce423524fae8c5d6cd1ee3aa837551d2c7441f1b91c95e77f3
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/947555841488347216/rMsrx_TAUpM8FA4yu065H2_WTcmcn84Cqs68brvjiT1JHJoQXfI7iKRbZfQV6tuF0SbO
Signatures
- 44Caliber
An open source infostealer written in C#.
- Detected executables Discord URL observed in first stage droppers 1 IoCs
DISCORD URLS.
- 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\MIDNIGHT FREE.exe"C:\Users\Admin\AppData\Local\Temp\MIDNIGHT FREE.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/4860-124-0x000001B3C06A0000-0x000001B3C06EA000-memory.dmp
memory/4860-125-0x00007FFA4A780000-0x00007FFA4B241000-memory.dmp
memory/4860-126-0x000001B3DAB80000-0x000001B3DAB82000-memory.dmp