Analysis
- max time kernel
71s - max time network
116s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
20/10/2023, 03:43
General
- Target AYReport_EN.exe
- Size 9.6MB
- Sample231020-eabkkafc26
- SHA256 bde2b977cdd7c086a35825a9ba7f2307341a3917f40cc193ed316dde106a6c74
Malware Config
Signatures
- BlackGuard
Infostealer first seen in Late 2021.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\AYReport_EN.exe"C:\Users\Admin\AppData\Local\Temp\AYReport_EN.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\M7ZBOWC8.exe"C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x64 Redistributable Setup_10.0.40219\M7ZBOWC8.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\ProgramData\ssh\SKAKPA5M.exe"C:\ProgramData\ssh\SKAKPA5M.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
SKAKPA5M.exe
SKAKPA5M.exe
SKAKPA5M.exe
M7ZBOWC8.exe
M7ZBOWC8.exe
M7ZBOWC8.exe
memory/4100-29-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp
memory/4100-0-0x0000000000DB0000-0x000000000174A000-memory.dmp
memory/4100-27-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp
memory/4100-1-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp
memory/4392-23-0x000002B5C2000000-0x000002B5C2010000-memory.dmp
memory/4392-14-0x000002B5A76B0000-0x000002B5A788C000-memory.dmp
memory/4392-15-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp
memory/4392-30-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp
memory/4392-31-0x000002B5C2000000-0x000002B5C2010000-memory.dmp
memory/4392-32-0x00007FFE46830000-0x00007FFE472F1000-memory.dmp