Analysis
- max time kernel
93s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
17/02/2024, 19:54
General
- Target 0x000a0000000122c9-5.exe
- Size 534KB
- Sample240217-ymr8maad71
- SHA256 5ac29f18472f943f2eb3c256fdbfe251b04ca66afc22fcba65183b0509feb529
Score
10/10
Malware Config
Extracted
Family
-
44caliber
C2
-
https://discord.com/api/webhooks/1199323175729758268/CBdP8e3cXbL0ED8xKBhMw0ikKHmITu-6CI4WjfttZm2aWGZGjp43Msrjwp8AVeEBf6T1
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\0x000a0000000122c9-5.exe"C:\Users\Admin\AppData\Local\Temp\0x000a0000000122c9-5.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/5088-0-0x0000028D36350000-0x0000028D363DA000-memory.dmp
memory/5088-31-0x00007FF923190000-0x00007FF923C51000-memory.dmp
memory/5088-32-0x0000028D508A0000-0x0000028D508B0000-memory.dmp
memory/5088-120-0x00007FF923190000-0x00007FF923C51000-memory.dmp