Analysis
- max time kernel
91s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
24/02/2024, 06:22
General
- Target a12988c8c14e8f9738b5a19df4f2fb68.exe
- Size 1.7MB
- Sample240224-g4whyacf3s
- SHA256 f0957b9d77cd4228a0cf2ed601b6392048b299cfb4096382638066b637a4127d
Malware Config
Extracted
-
blackguard
-
https://api.telegram.org/bot1815441105:AAFl78w0wG00_bQG4toKipjs8EBYjH37y6o/sendMessage?chat_id=548838106
Signatures
- 44Caliber
An open source infostealer written in C#.
- BlackGuard
Infostealer first seen in Late 2021.
- 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\a12988c8c14e8f9738b5a19df4f2fb68.exe"C:\Users\Admin\AppData\Local\Temp\a12988c8c14e8f9738b5a19df4f2fb68.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
Bookmarks.txt
Process.txt
Process.txt
memory/4016-127-0x00000000074F0000-0x0000000007556000-memory.dmp
memory/4016-3-0x0000000006150000-0x0000000006160000-memory.dmp
memory/4016-38-0x0000000007030000-0x00000000070C2000-memory.dmp
memory/4016-39-0x0000000007680000-0x0000000007C24000-memory.dmp
memory/4016-1-0x00000000006F0000-0x0000000000BD2000-memory.dmp
memory/4016-0-0x00000000006F0000-0x0000000000BD2000-memory.dmp
memory/4016-2-0x0000000073F00000-0x00000000746B0000-memory.dmp
memory/4016-146-0x0000000007670000-0x0000000007678000-memory.dmp
memory/4016-145-0x00000000069B0000-0x00000000069BA000-memory.dmp
memory/4016-147-0x0000000007E80000-0x0000000007EA2000-memory.dmp
memory/4016-148-0x0000000007EB0000-0x0000000008204000-memory.dmp
memory/4016-152-0x00000000006F0000-0x0000000000BD2000-memory.dmp
memory/4016-153-0x0000000073F00000-0x00000000746B0000-memory.dmp