Analysis
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max time kernel
127s -
max time network
48s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
30-06-2024 16:24
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
XClient.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
XClient.exe
Resource
win11-20240611-en
General
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Target
XClient.exe
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Size
63KB
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MD5
b80f607a11a29e9e7f3192a0ff95e33a
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SHA1
484622864005f1c5e65b7657089e9554623fd613
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SHA256
f65c276f46ef90d4e70fd68e19db8f25af8810505bb832d8961d2a6e4caf17ae
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SHA512
433358edaea23d477d0624074c92134259c8f83802be7a57182fb13d475a9c630f644de1f9e0697d9500053b348c1ba02dd16045960393fad2e73c7c93a6a66e
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SSDEEP
1536:e1TE0/4/Ja43jHy7b0ToCRPp56O+T7K28BR8:eFwxhHWb0k0p56Oa7K/8
Malware Config
Extracted
xworm
paris-itself.gl.at.ply.gg:49485
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Install_directory
%Public%
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install_file
USB.exe
Signatures
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Detect Xworm Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/1876-0-0x0000000000C50000-0x0000000000C66000-memory.dmp family_xworm C:\Users\Public\svchost 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-1-5-21-2539840389-1261165778-1087677076-1000\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\svchost.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk XClient.exe -
Executes dropped EXE 2 IoCs
Processes:
svchostsvchostpid process 5024 svchost 3108 svchost -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
XClient.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Public\\svchost" XClient.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
XClient.exepid process 1876 XClient.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
XClient.exesvchostsvchostdescription pid process Token: SeDebugPrivilege 1876 XClient.exe Token: SeDebugPrivilege 1876 XClient.exe Token: SeDebugPrivilege 5024 svchost Token: SeDebugPrivilege 3108 svchost -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
XClient.exepid process 1876 XClient.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
XClient.exedescription pid process target process PID 1876 wrote to memory of 4612 1876 XClient.exe schtasks.exe PID 1876 wrote to memory of 4612 1876 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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Public\svchost"2⤵
- Scheduled Task/Job: Scheduled Task
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C:\Users\Public\svchostC:\Users\Public\svchost1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Public\svchostC:\Users\Public\svchost1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.logFilesize
654B
MD52ff39f6c7249774be85fd60a8f9a245e
SHA1684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA256e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
SHA5121d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
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C:\Users\Public\svchostFilesize
63KB
MD5b80f607a11a29e9e7f3192a0ff95e33a
SHA1484622864005f1c5e65b7657089e9554623fd613
SHA256f65c276f46ef90d4e70fd68e19db8f25af8810505bb832d8961d2a6e4caf17ae
SHA512433358edaea23d477d0624074c92134259c8f83802be7a57182fb13d475a9c630f644de1f9e0697d9500053b348c1ba02dd16045960393fad2e73c7c93a6a66e
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memory/1876-0-0x0000000000C50000-0x0000000000C66000-memory.dmpFilesize
88KB
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memory/1876-1-0x00007FFD06B13000-0x00007FFD06B15000-memory.dmpFilesize
8KB
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memory/1876-2-0x00007FFD06B10000-0x00007FFD075D1000-memory.dmpFilesize
10.8MB
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memory/1876-6-0x00007FFD06B10000-0x00007FFD075D1000-memory.dmpFilesize
10.8MB
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memory/5024-10-0x00007FFD06B10000-0x00007FFD075D1000-memory.dmpFilesize
10.8MB
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memory/5024-12-0x00007FFD06B10000-0x00007FFD075D1000-memory.dmpFilesize
10.8MB