Analysis
-
max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
13/01/2024, 08:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5876a513ef6a2f42cc31589a485c1aad.exe
Resource
win7-20231129-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
5876a513ef6a2f42cc31589a485c1aad.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
5876a513ef6a2f42cc31589a485c1aad.exe
-
Size
32KB
-
MD5
5876a513ef6a2f42cc31589a485c1aad
-
SHA1
63ebba7896c5ab34baa67523732a9849115f596a
-
SHA256
4fc4a55876b8c78e8375e1ff6da5f50765ee120c6534449eee831740a167a8b2
-
SHA512
f7cfc287750d0a9942323f82ed5e440cd9c9f8328fcf6a238bf5e704a5562cb70eab22d486f322e4ddcabe63bde8b7f80b411254e6718bff892deaf66aff9c78
-
SSDEEP
768:FpGnGNxT8f3/IY+vngEjUoKYH0bxyJsu0nK6aC/7gDj9XFtH:FYnG3T83IpvgKguWxyoK6aCaj
Score
10/10
Malware Config
Signatures
-
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\ntos.exe," porsche.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation 5876a513ef6a2f42cc31589a485c1aad.exe -
Executes dropped EXE 1 IoCs
pid Process 4536 porsche.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ntos.exe porsche.exe File created C:\Windows\SysWOW64\ntos.exe porsche.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe 4536 porsche.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4536 porsche.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2308 wrote to memory of 4536 2308 5876a513ef6a2f42cc31589a485c1aad.exe 22 PID 2308 wrote to memory of 4536 2308 5876a513ef6a2f42cc31589a485c1aad.exe 22 PID 2308 wrote to memory of 4536 2308 5876a513ef6a2f42cc31589a485c1aad.exe 22 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90 PID 4536 wrote to memory of 612 4536 porsche.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\5876a513ef6a2f42cc31589a485c1aad.exe"C:\Users\Admin\AppData\Local\Temp\5876a513ef6a2f42cc31589a485c1aad.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Users\Admin\AppData\Local\Temp\porsche.exe"C:\Users\Admin\AppData\Local\Temp\porsche.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536
-
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:612
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
56KB
MD5c10a66c0e1925a0d2e5cea3a58c2e746
SHA19c0e410d3291f53420b342af177b398f4b05c6f5
SHA256874d686c86f7c452c2b7d5c1efd41bdb22b8f7cb58820b69102c250636e1fbd5
SHA512e3695de965bd05da5ddc306901e5a7800a3a5b997e228a965cca40be48717644040fb5c9034ddf9194677337de36b3f03d47e143f7bf2c1e03565e99d028e9e3