Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
26-05-2024 02:26
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win7-20240508-en
General
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Target
XClient.exe
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Size
179KB
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MD5
48ec861dda66f8a5c4c4abe34bde5533
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SHA1
cc33872e3bac88a5b426e1d44932a60a42e97a3c
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SHA256
126def262910ee46ba3a1210d2c8f71f8348c18f248806abd559ae52d85e584f
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SHA512
b50e3920d80ca5a9301be447c88294660901db1b453967365ed0031edc08e837aac6c351608643cdc0207bac6e3ce4c6ca49321a0641ab0759476db15537ac42
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SSDEEP
3072:NChMbbOhEiNnIbodpABzmONKv3Bz65/M6If+3Js+3JFkKeTno:NCeO5abXUfxBt25
Malware Config
Extracted
xworm
non-activists.gl.at.ply.gg:63701
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install_file
USB.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2012-1-0x00000000001B0000-0x00000000001E2000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 2572 powershell.exe 2652 powershell.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 2 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
XClient.exepid process 2012 XClient.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exepowershell.exeXClient.exepid process 2572 powershell.exe 2652 powershell.exe 2012 XClient.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
XClient.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2012 XClient.exe Token: SeDebugPrivilege 2572 powershell.exe Token: SeDebugPrivilege 2652 powershell.exe Token: SeDebugPrivilege 2012 XClient.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
XClient.exepid process 2012 XClient.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
XClient.exedescription pid process target process PID 2012 wrote to memory of 2572 2012 XClient.exe powershell.exe PID 2012 wrote to memory of 2572 2012 XClient.exe powershell.exe PID 2012 wrote to memory of 2572 2012 XClient.exe powershell.exe PID 2012 wrote to memory of 2652 2012 XClient.exe powershell.exe PID 2012 wrote to memory of 2652 2012 XClient.exe powershell.exe PID 2012 wrote to memory of 2652 2012 XClient.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\XClient.exe"C:\Users\Admin\AppData\Local\Temp\XClient.exe"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2572
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD505fa21a86f0234a369f42063e749a5f3
SHA1d5e493c3fc814a400820a1f7328a797e6a9e6f00
SHA256cae89e5ade5872073344f34551244ef1366a29332bb740c3efb359177beb0222
SHA512e73a77fc6535dcf6f66a9d9a29cee3d9483e52b478ab2681c2990739c470ea4ce99b2fd458dd8d08f63bab0de80c2d54c45cad4c55fe4594f1f78aac437defaa