Resubmissions
01/10/2025, 17:19
251001-vwbqfstqz81008/07/2025, 08:09
250708-j16kvavwcx1004/07/2025, 07:35
250704-je4t5afq8z04/07/2025, 04:55
250704-fj7j2axqz904/07/2025, 04:32
250704-e6acdaap9104/07/2025, 04:30
250704-e483xsap8v1004/07/2025, 04:18
250704-exa8bahn4t13/05/2024, 10:29
240513-mjfjwabd2810Analysis
- max time kernel
103s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20250610-en - resource tags
arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system - submitted
04/07/2025, 04:30
Behavioral task
behavioral1
Sample
323CANON.EXE_WORM_VOBFUS.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
WORM_VOBFUS.exe
Resource
win10v2004-20250619-en
windows10-2004-x64
10 signatures
150 seconds
Behavioral task
behavioral3
Sample
WORM_VOBFUS.exe
Resource
win10v2004-20250502-en
windows10-2004-x64
13 signatures
150 seconds
Behavioral task
behavioral4
Sample
WORM_VOBFUS.exe
Resource
win10v2004-20250610-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target WORM_VOBFUS.exe
- Size 92KB
- Sample250704-e483xsap8v
- SHA256 e4d0b740421cfba7e7e4a30a2a69d59486e7347979af94145fb8f335960c33d5
- MD5 4e15d812491ff0454f1e9393675b1c60
- SHA1 ec9291957872191902fb525641040b42e057acd8
- SHA512 9554e4e882a176b7b38b55dc2a80400354aae90a12e7e0c3a4f481e68032423f65f28c439621dc27fdf4c99e8ad10aaed949f140398970480c26aa574b7a5982
- SSDEEP 768:29QXHugT0lvlq/P1vwwrnkjBt1TJk8vK8GSdrD9wGy241ZUb/CxhYLJP30UOEGaK:i0PuBpmUbaxeLd4IfmkBwC8BD+KBq2x
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- 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-1-5-21-2866795425-63786011-2927312124-1000\Control Panel\International\Geo\Nation WORM_VOBFUS.exe - Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum WORM_VOBFUS.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 WORM_VOBFUS.exe - Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 3440 tasklist.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WORM_VOBFUS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tasklist.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3440 tasklist.exe - Suspicious use of SetWindowsHookAW 64 IoCs
pid Process 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2200 WORM_VOBFUS.exe 2200 WORM_VOBFUS.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2200 wrote to memory of 3180 2200 WORM_VOBFUS.exe 90 PID 2200 wrote to memory of 3180 2200 WORM_VOBFUS.exe 90 PID 2200 wrote to memory of 3180 2200 WORM_VOBFUS.exe 90 PID 3180 wrote to memory of 3440 3180 cmd.exe 92 PID 3180 wrote to memory of 3440 3180 cmd.exe 92 PID 3180 wrote to memory of 3440 3180 cmd.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\WORM_VOBFUS.exe"C:\Users\Admin\AppData\Local\Temp\WORM_VOBFUS.exe"1⤵
- Checks computer location settings
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookAW
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del WORM_VOBFUS.exe2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Windows\SysWOW64\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3440
-
-