Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2024 12:47
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240508-en
General
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Target
XClient.exe
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Size
60KB
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MD5
0f803689398c092ad9ae274d5c7507d6
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SHA1
693161863fa62cb65e7f3102d55087a9bf816889
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SHA256
0c336bb9258f45ded239bfd2a721a779c3a467cfd177d9ab75841d6eb61d2a8a
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SHA512
1fed05b278b8243c1e45c34a1eca78492fb24d18296feac978bd54528359d2c07a783bff434921a26a96ba122a8dc9da6d00b9cdda09c6c8569910d0472080f8
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SSDEEP
1536:b5GHtqKStfgDGVHc08kbsXHZBgGOq+k6Z:lGNqrIDK8kbsXLOq+bZ
Malware Config
Extracted
xworm
91.92.241.69:5555
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Install_directory
%AppData%
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install_file
AMD Graphics Manager.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1084-0-0x00000000009B0000-0x00000000009C6000-memory.dmp family_xworm C:\Users\Admin\AppData\Roaming\AMD Graphics Manager family_xworm -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
XClient.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation XClient.exe -
Drops startup file 2 IoCs
Processes:
XClient.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AMD Graphics Manager.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AMD Graphics Manager.lnk XClient.exe -
Executes dropped EXE 2 IoCs
Processes:
AMD Graphics ManagerAMD Graphics Managerpid process 1048 AMD Graphics Manager 4840 AMD Graphics Manager -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AMD Graphics Manager = "C:\\Users\\Admin\\AppData\\Roaming\\AMD Graphics Manager" XClient.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
XClient.exeAMD Graphics ManagerAMD Graphics Managerdescription pid process Token: SeDebugPrivilege 1084 XClient.exe Token: SeDebugPrivilege 1048 AMD Graphics Manager Token: SeDebugPrivilege 4840 AMD Graphics Manager -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
XClient.exedescription pid process target process PID 1084 wrote to memory of 2292 1084 XClient.exe schtasks.exe PID 1084 wrote to memory of 2292 1084 XClient.exe schtasks.exe -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "AMD Graphics Manager" /tr "C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"2⤵
- Creates scheduled task(s)
PID:2292
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C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1048
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C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4840
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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Filesize
60KB
MD50f803689398c092ad9ae274d5c7507d6
SHA1693161863fa62cb65e7f3102d55087a9bf816889
SHA2560c336bb9258f45ded239bfd2a721a779c3a467cfd177d9ab75841d6eb61d2a8a
SHA5121fed05b278b8243c1e45c34a1eca78492fb24d18296feac978bd54528359d2c07a783bff434921a26a96ba122a8dc9da6d00b9cdda09c6c8569910d0472080f8