Analysis
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max time kernel
264s -
max time network
273s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21-06-2024 16:07
General
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Target
XClient.exe
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Size
35KB
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MD5
40a096be21131faf1c975650b8ba4bc4
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SHA1
c91252676f2a152ff5ad84218f93df5fb863d5fb
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SHA256
fb5db25e5bf29061816d79d3ee266be78ce2931c8c282da6edf5f2aba9ee4bf5
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SHA512
199defcc47ad850c91b1ced41d4e03b0a8d77e3ddf5ba61a6139712b52add849caec51d6f35d3cf54ef1ec73f4be294482ae31b4f7b1c061217eb3194accecee
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SSDEEP
768:o6x4gIgFXhi9zef/rT6T609yA/v55FyK9juF6pOjh8yK:o6x4gIEhbT08A/vjF39juF6pOj2D
Malware Config
Extracted
xworm
5.0
area-translator.gl.at.ply.gg:7895
nInTQ4y6Nk8jIESf
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Install_directory
%AppData%
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install_file
astrorunners.exe
Signatures
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Detect Xworm Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/2956-1-0x0000000000F70000-0x0000000000F80000-memory.dmp family_xworm -
Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 1140 powershell.exe 2208 powershell.exe 4708 powershell.exe 428 powershell.exe -
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\astrorunners.lnk XClient.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\astrorunners.lnk XClient.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exepowershell.exepowershell.exepowershell.exepid process 1140 powershell.exe 1140 powershell.exe 2208 powershell.exe 2208 powershell.exe 4708 powershell.exe 4708 powershell.exe 428 powershell.exe 428 powershell.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
XClient.exepowershell.exepowershell.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2956 XClient.exe Token: SeDebugPrivilege 1140 powershell.exe Token: SeDebugPrivilege 2208 powershell.exe Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 428 powershell.exe Token: SeDebugPrivilege 2956 XClient.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
XClient.exedescription pid process target process PID 2956 wrote to memory of 1140 2956 XClient.exe powershell.exe PID 2956 wrote to memory of 1140 2956 XClient.exe powershell.exe PID 2956 wrote to memory of 2208 2956 XClient.exe powershell.exe PID 2956 wrote to memory of 2208 2956 XClient.exe powershell.exe PID 2956 wrote to memory of 4708 2956 XClient.exe powershell.exe PID 2956 wrote to memory of 4708 2956 XClient.exe powershell.exe PID 2956 wrote to memory of 428 2956 XClient.exe powershell.exe PID 2956 wrote to memory of 428 2956 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⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2956 -
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:1140
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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:2208
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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\Roaming\astrorunners.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708
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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 'astrorunners.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:428
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:2880
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD5cadef9abd087803c630df65264a6c81c
SHA1babbf3636c347c8727c35f3eef2ee643dbcc4bd2
SHA256cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438
SHA5127278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085
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Filesize
944B
MD522310ad6749d8cc38284aa616efcd100
SHA1440ef4a0a53bfa7c83fe84326a1dff4326dcb515
SHA25655b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf
SHA5122ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82