Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
30/12/2023, 03:34
General
- Target 0d1ce9ec311262c574e65633549c9c4a.exe
- Size 1.2MB
- Sample231230-d45vtsdbdl
- SHA256 64f4e1cdebbb2d16e19e189aa15ac511039b998d837b04aa34fca073084af019
Malware Config
Extracted
-
44caliber
-
https://discord.com/api/webhooks/866738169181372456/leUwW_rAYekiwOVhgk8WOe6mYy271-wPgyPdfdgGkW3LvRIrgaePX3yC-m_SGyjcPYeJ
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.
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- 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
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0d1ce9ec311262c574e65633549c9c4a.exe"C:\Users\Admin\AppData\Local\Temp\0d1ce9ec311262c574e65633549c9c4a.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2980-0-0x0000000000470000-0x000000000081E000-memory.dmp
memory/2980-2-0x0000000074030000-0x00000000747E0000-memory.dmp
memory/2980-1-0x0000000000470000-0x000000000081E000-memory.dmp
memory/2980-4-0x0000000005610000-0x00000000056A2000-memory.dmp
memory/2980-3-0x0000000005600000-0x0000000005610000-memory.dmp
memory/2980-38-0x0000000006980000-0x0000000006F24000-memory.dmp
memory/2980-130-0x00000000079E0000-0x0000000007A46000-memory.dmp
memory/2980-134-0x0000000000470000-0x000000000081E000-memory.dmp
memory/2980-135-0x0000000074030000-0x00000000747E0000-memory.dmp