Analysis
-
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 12:42
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10v2004-20240508-en
General
-
Target
XClient.exe
-
Size
60KB
-
MD5
0f803689398c092ad9ae274d5c7507d6
-
SHA1
693161863fa62cb65e7f3102d55087a9bf816889
-
SHA256
0c336bb9258f45ded239bfd2a721a779c3a467cfd177d9ab75841d6eb61d2a8a
-
SHA512
1fed05b278b8243c1e45c34a1eca78492fb24d18296feac978bd54528359d2c07a783bff434921a26a96ba122a8dc9da6d00b9cdda09c6c8569910d0472080f8
-
SSDEEP
1536:b5GHtqKStfgDGVHc08kbsXHZBgGOq+k6Z:lGNqrIDK8kbsXLOq+bZ
Malware Config
Extracted
xworm
91.92.241.69:5555
-
Install_directory
%AppData%
-
install_file
AMD Graphics Manager.exe
Signatures
-
Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/1572-1-0x00000000000B0000-0x00000000000C6000-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 4688 AMD Graphics Manager 4224 AMD Graphics Manager -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
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).
-
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 AdjustPrivilegeToken 2 IoCs
Processes:
XClient.exeAMD Graphics Managerdescription pid process Token: SeDebugPrivilege 1572 XClient.exe Token: SeDebugPrivilege 4224 AMD Graphics Manager -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
XClient.exedescription pid process target process PID 1572 wrote to memory of 924 1572 XClient.exe schtasks.exe PID 1572 wrote to memory of 924 1572 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
-
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:1572 -
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:924
-
-
C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"C:\Users\Admin\AppData\Roaming\AMD Graphics Manager"1⤵
- Executes dropped EXE
PID:4688
-
C:\Windows\system32\notepad.exe"C:\Windows\system32\notepad.exe"1⤵PID:3080
-
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:4224
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60KB
MD50f803689398c092ad9ae274d5c7507d6
SHA1693161863fa62cb65e7f3102d55087a9bf816889
SHA2560c336bb9258f45ded239bfd2a721a779c3a467cfd177d9ab75841d6eb61d2a8a
SHA5121fed05b278b8243c1e45c34a1eca78492fb24d18296feac978bd54528359d2c07a783bff434921a26a96ba122a8dc9da6d00b9cdda09c6c8569910d0472080f8