Analysis
- max time kernel
94s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
21/01/2025, 12:31
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
PO#98540-00.exe
Resource
win7-20240708-en
8 signatures
150 seconds
General
- Target PO#98540-00.exe
- Size 861KB
- Sample250121-pp2emstkhs
- SHA256 7ea98bae6d7f0176c1ae6cecc9bfbc8611304fe007899d8d989425c7b13f3339
- MD5 1f18bd29f6a4fb2f71e17aea72f0ee7b
- SHA1 93eac0c896f16f36ac6e8da8724836782f6a2117
- SHA512 cec549f019a877487e5b3a2173778fab231ee79719b82aeac4e3b10f070afe1e639077b60ff3a3daf611f08c95f00693b786b22fad35bed802220c6d00d1c18c
- SSDEEP 12288:5q5IO8DfRJI6kmhMB13gQdvUKpRK+YN+XHfEycIYBmqXhHst1WXZ:5q6fRaoMB1wQdvjw+THf7EXhHst0J
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- 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.
pid Process 1256 powershell.exe 912 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation PO#98540-00.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4024 set thread context of 4576 4024 PO#98540-00.exe 103 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO#98540-00.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe - 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 688 schtasks.exe - Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4024 PO#98540-00.exe 1256 powershell.exe 912 powershell.exe 4024 PO#98540-00.exe 1256 powershell.exe 912 powershell.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe 4576 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4024 PO#98540-00.exe Token: SeDebugPrivilege 1256 powershell.exe Token: SeDebugPrivilege 912 powershell.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4024 wrote to memory of 1256 4024 PO#98540-00.exe 97 PID 4024 wrote to memory of 1256 4024 PO#98540-00.exe 97 PID 4024 wrote to memory of 1256 4024 PO#98540-00.exe 97 PID 4024 wrote to memory of 912 4024 PO#98540-00.exe 99 PID 4024 wrote to memory of 912 4024 PO#98540-00.exe 99 PID 4024 wrote to memory of 912 4024 PO#98540-00.exe 99 PID 4024 wrote to memory of 688 4024 PO#98540-00.exe 101 PID 4024 wrote to memory of 688 4024 PO#98540-00.exe 101 PID 4024 wrote to memory of 688 4024 PO#98540-00.exe 101 PID 4024 wrote to memory of 4576 4024 PO#98540-00.exe 103 PID 4024 wrote to memory of 4576 4024 PO#98540-00.exe 103 PID 4024 wrote to memory of 4576 4024 PO#98540-00.exe 103 PID 4024 wrote to memory of 4576 4024 PO#98540-00.exe 103 PID 4024 wrote to memory of 4576 4024 PO#98540-00.exe 103 PID 4024 wrote to memory of 4576 4024 PO#98540-00.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe"C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4024 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO#98540-00.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1256
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZgSwAbBKbQrN.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:912
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZgSwAbBKbQrN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5B6.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:688
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4576
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
- MD5 3d086a433708053f9bf9523e1d87a4e8
- SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
- SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 7885c5cc781f136c96df13003e00f5ca78093fd31bb7f4791a4ac379e8643c4d
- MD5 4f38fdd463c2bd144f0841c6188ae8b3
- SHA1 c015ef035a83bc42468b6e16ce571d90e54f668f
- SHA512 377a6f2854f582f4591c0845aab6b5d61c860eaedc4c6ce4df04ccf85db323c60b90f7b71c7dbcffdfb0bd7c921f83c968d7f449a38f1f8951bb5d7dc8dd8bfd
- SSDEEP 384:ssf+Bh9i+dhqqBGi3nwk+o9oJPT+K6seYLME/Xt03SoZqfYSgojEDkaQ0gdwtkKF:JfQh5h7joJPT+NgrmSdW2ED3CS3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nrwsptxb.mrw.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpA5B6.tmp
- Size 1KB
- SHA256 a40361454dd6e44b8fa5726834fd651423275d575deabae6816702db6f2a9abf
- MD5 9dbbd7185f84bd255b36fe9f93661488
- SHA1 1a376f8ee6e46e1d524de50f7e613151c4379592
- SHA512 7bdfc09ed7f23bdbf752de683dd80a3f5cada7865e6240c75174c2ba38984bb3f1a9572f7bf47a9f09f78f75ad55df145d4f712bf89a04241d50a88734b337c9
- MD5 SHA1 SHA512