Analysis
- max time kernel
124s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
11/01/2023, 07:13
General
- Target file.exe
- Size 409KB
- Sample230111-h13zaabb53
- SHA256 1e2900a2e5335d8e39efbe152f5b885c9a4a2e44361b85038e96c9eee3da8cbd
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeC:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
svcupdater.exe
svcupdater.exe
memory/1908-140-0x00000000006DD000-0x0000000000707000-memory.dmp
memory/1908-141-0x0000000000400000-0x000000000046C000-memory.dmp
memory/1908-142-0x00000000006DD000-0x0000000000707000-memory.dmp
memory/2960-132-0x000000000050E000-0x0000000000537000-memory.dmp
memory/2960-133-0x0000000002060000-0x00000000020A7000-memory.dmp
memory/2960-134-0x0000000000400000-0x000000000046C000-memory.dmp
memory/2960-136-0x000000000050E000-0x0000000000537000-memory.dmp
memory/2960-137-0x0000000000400000-0x000000000046C000-memory.dmp