Analysis
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max time kernel
148s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03/03/2025, 17:45
Behavioral task
behavioral1
Sample
helloworld.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
helloworld.exe
Resource
win10v2004-20250217-en
General
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Target
helloworld.exe
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Size
71KB
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MD5
9abc77c7a2d864322641837bda3d51b1
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SHA1
3f295fdab7c126e9bbe2a02b0faf4147f120cb90
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SHA256
37a61a8e9a2c0d24dba2ef51d0bdde5fde4182f0218bee900f4213cc783963ff
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SHA512
69c865f20c97a1e569eb9d2e5a9813747b9882c75e822edca08bbe92ca6b71f72c0ee7c8cfe1d5b6a953acf64ba3a6820b39c8492334240622c8262e31ba1723
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SSDEEP
1536:8nNYWPeZZ8GTqR8xGXf1qTHjIpAB+bZT5AR6WpZOVOE4jf:8HLGTk3g/IpAB+bZQfOoxf
Malware Config
Extracted
xworm
PovodPoestGovna-63080.portmap.io:63080:9989
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Install_directory
%AppData%
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install_file
Windows Defender.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral1/memory/2916-1-0x00000000002A0000-0x00000000002B8000-memory.dmp family_xworm -
Xworm family
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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.
pid Process 1224 powershell.exe 2368 powershell.exe 2288 powershell.exe 1052 powershell.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender.lnk helloworld.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Defender.lnk helloworld.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Defender.exe" helloworld.exe -
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.
pid Process 2728 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1224 powershell.exe 2368 powershell.exe 2288 powershell.exe 1052 powershell.exe 2916 helloworld.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2916 helloworld.exe Token: SeDebugPrivilege 1224 powershell.exe Token: SeDebugPrivilege 2368 powershell.exe Token: SeDebugPrivilege 2288 powershell.exe Token: SeDebugPrivilege 1052 powershell.exe Token: SeDebugPrivilege 2916 helloworld.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2916 helloworld.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2916 wrote to memory of 1224 2916 helloworld.exe 28 PID 2916 wrote to memory of 1224 2916 helloworld.exe 28 PID 2916 wrote to memory of 1224 2916 helloworld.exe 28 PID 2916 wrote to memory of 2368 2916 helloworld.exe 30 PID 2916 wrote to memory of 2368 2916 helloworld.exe 30 PID 2916 wrote to memory of 2368 2916 helloworld.exe 30 PID 2916 wrote to memory of 2288 2916 helloworld.exe 32 PID 2916 wrote to memory of 2288 2916 helloworld.exe 32 PID 2916 wrote to memory of 2288 2916 helloworld.exe 32 PID 2916 wrote to memory of 1052 2916 helloworld.exe 34 PID 2916 wrote to memory of 1052 2916 helloworld.exe 34 PID 2916 wrote to memory of 1052 2916 helloworld.exe 34 PID 2916 wrote to memory of 2728 2916 helloworld.exe 36 PID 2916 wrote to memory of 2728 2916 helloworld.exe 36 PID 2916 wrote to memory of 2728 2916 helloworld.exe 36 -
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\helloworld.exe"C:\Users\Admin\AppData\Local\Temp\helloworld.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2916 -
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\helloworld.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1224
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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 'helloworld.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368
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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\Windows Defender.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2288
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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 'Windows Defender.exe'2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1052
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Windows Defender" /tr "C:\Users\Admin\AppData\Roaming\Windows Defender.exe"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2728
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C:\Windows\system32\taskeng.exetaskeng.exe {BA60D0EC-45E4-48BE-BE5B-2F000C36BB5A} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]1⤵PID:2296
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
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\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Filesize7KB
MD564bb903ffcc1b32becef608997149493
SHA1138f300cad8276f737aedca1b6ea2af78d8640b6
SHA2563c6883ec35ce7da039559fb54a7eca6ddf20a5cfe22cf9399c23ec1f2eca3aed
SHA512ccdd82f723b36149d684e0f0a66620bb626d8297ea681aee527369252d9a8b4cc096f96ff57f4b0a43eb73d6f1fb54dd7eb66138b2b83bddc65a775de7aaaac1