Analysis
- max time kernel
132s - max time network
121s - platform
windows7_x64 - resource
win7-20240220-en - resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system - submitted
27/04/2024, 01:19
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe
Resource
win7-20240221-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
39e37a6736984b617a47818ffdbd202199c75f769821d4939f1d61dff621098d.exe
Resource
win10v2004-20240419-en
9 signatures
150 seconds
Behavioral task
behavioral3
Sample
unvolubly/Langtrkkendes/Pelletising.ps1
Resource
win7-20240220-en
9 signatures
150 seconds
Behavioral task
behavioral4
Sample
unvolubly/Langtrkkendes/Pelletising.ps1
Resource
win10v2004-20240426-en
10 signatures
150 seconds
General
- Target unvolubly/Langtrkkendes/Pelletising.ps1
- Size 56KB
- Sample240427-bpmdtsfh82
- SHA256 de1fc8dc64b49c5ae8c2c9c45e7dd4d2aa154f845e99a8e8fa08b5abf23d38a7
- MD5 19779840eecfc141420a08cb9a741962
- SHA1 0f0a168bc292914da146f667557ff5f07b0f5ae5
- SHA512 d3be08e433f93bafc5d53ea6e91c53e01d755bf1c61e4006aa184da35644b343bd72d0ddbee9820db107c2df212dc4a51a4e06ebf3cf6c1e45ed250f2b383723
- SSDEEP 1536:M2JnexhWTLwrzAPNCVjXRFnhoMMesE5FxGFlAqfq+7:MGghWPwrMeh9b2ELxGFl77
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
- Modifies Installed Components in the registry 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe - Modifies registry class 5 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 1976 powershell.exe 1976 powershell.exe 1976 powershell.exe 1976 powershell.exe 1976 powershell.exe 1976 powershell.exe 1976 powershell.exe 1976 powershell.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2580 explorer.exe - Suspicious use of AdjustPrivilegeToken 13 IoCs
description pid Process Token: SeDebugPrivilege 1976 powershell.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe Token: SeShutdownPrivilege 2580 explorer.exe - Suspicious use of FindShellTrayWindow 29 IoCs
pid Process 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe - Suspicious use of SendNotifyMessage 22 IoCs
pid Process 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe 2580 explorer.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1976 wrote to memory of 2652 1976 powershell.exe 29 PID 1976 wrote to memory of 2652 1976 powershell.exe 29 PID 1976 wrote to memory of 2652 1976 powershell.exe 29 PID 1976 wrote to memory of 2664 1976 powershell.exe 31 PID 1976 wrote to memory of 2664 1976 powershell.exe 31 PID 1976 wrote to memory of 2664 1976 powershell.exe 31 - 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:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\unvolubly\Langtrkkendes\Pelletising.ps11⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" "/c set /A 1^^0"2⤵PID:2652
-
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C:\Windows\system32\wermgr.exe"C:\Windows\system32\wermgr.exe" "-outproc" "1976" "1084"2⤵PID:2664
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C:\Windows\explorer.exeexplorer.exe1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2580
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\OutofProcReport259393932.txt
- Size 1KB
- SHA256 0ba133a764f64a6295e9f38781e5a1128b1d8565249e73487b2127f66627bf4c
- MD5 159929f5f0c721b772afefcdf0f4a725
- SHA1 65f057f642ff2f3bbe624d5f73959516e6942a86
- SHA512 de5652c49bd2d2c3e7e1056aff909f969a0a98965ca7e3ef77dace4c6b1f8557d5f7b62c10cf60c8c1a2c593adb0bec7ddcc2b200df4e1f148d36e7b4e93838d
- MD5 SHA1 SHA512