Analysis
- max time kernel
163s - max time network
182s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
11/10/2023, 22:26
General
- Target c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe
- Size 274KB
- Sample231011-2cm3psac63
- SHA256 c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f
Malware Config
Extracted
-
44caliber
-
https://discord.com/api/webhooks/1101119692103491584/GTMNvMSwfNfgMdtSqTcvjCvj1QDXJYPNxW9vEtgHszOELGeSAQDBrIp9Qf7oWif26BJd
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\c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.exe"C:\Users\Admin\AppData\Local\Temp\c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f_JC.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
Process.txt
memory/968-0-0x0000024F46210000-0x0000024F4625A000-memory.dmp
memory/968-32-0x0000024F47EE0000-0x0000024F47EF0000-memory.dmp
memory/968-31-0x00007FF8FBFD0000-0x00007FF8FCA91000-memory.dmp
memory/968-33-0x00007FF8FBFD0000-0x00007FF8FCA91000-memory.dmp
memory/968-34-0x0000024F47EE0000-0x0000024F47EF0000-memory.dmp
memory/968-124-0x00007FF8FBFD0000-0x00007FF8FCA91000-memory.dmp