Analysis
- max time kernel
93s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
24/02/2024, 18:01
General
- Target a26654f198efc9da324995062c3c494b.exe
- Size 26KB
- Sample240224-wl4txsab93
- SHA256 e6a0836bc8b40fbf8f60b3373a3c9394b08904d99f319cdfea79f625fdad32e7
Score
8/10
Malware Config
Signatures
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Drops file in Windows directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a26654f198efc9da324995062c3c494b.exe"C:\Users\Admin\AppData\Local\Temp\a26654f198efc9da324995062c3c494b.exe"1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\csrss.exe"C:\Windows\csrss.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
csrss.exe