Analysis
- max time kernel
94s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
25/11/2024, 12:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Payment Advice D 0024679526 3930.exe
Resource
win7-20240708-en
8 signatures
150 seconds
General
- Target Payment Advice D 0024679526 3930.exe
- Size 777KB
- Sample241125-pvmtfatkhl
- SHA256 fbc1981c8c4b453464e63ea2155aa74d2e6e6da1fd3268fd8b45e16c1d2bd0d2
- MD5 dcd730d80c1a49c81b02eb90b5f9c4a6
- SHA1 6fd7cf911360120f2af050611ac416045ac74c1b
- SHA512 fab0831d86f73f48598117d6455a4f234154db1af38d50f290d225194c23957bf1e57b29c5351018c37373339852d99205ecb263b3f90f6d6ad662c4a908a923
- SSDEEP 12288:RrOY+Ri3AgFdjR7fO2JmTuPoJexKRaSxyDXKNBljKnIs2NRpaKrT7kolfz27WB:eQ3AgFObAM9ecrgoNRp3rTYol1B
- 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 4192 powershell.exe 1980 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation Payment Advice D 0024679526 3930.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4540 set thread context of 1400 4540 Payment Advice D 0024679526 3930.exe 95 - 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 Payment Advice D 0024679526 3930.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 2904 schtasks.exe - Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4540 Payment Advice D 0024679526 3930.exe 4192 powershell.exe 1980 powershell.exe 4540 Payment Advice D 0024679526 3930.exe 4192 powershell.exe 1980 powershell.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe 1400 Payment Advice D 0024679526 3930.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4540 Payment Advice D 0024679526 3930.exe Token: SeDebugPrivilege 4192 powershell.exe Token: SeDebugPrivilege 1980 powershell.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4540 wrote to memory of 4192 4540 Payment Advice D 0024679526 3930.exe 89 PID 4540 wrote to memory of 4192 4540 Payment Advice D 0024679526 3930.exe 89 PID 4540 wrote to memory of 4192 4540 Payment Advice D 0024679526 3930.exe 89 PID 4540 wrote to memory of 1980 4540 Payment Advice D 0024679526 3930.exe 91 PID 4540 wrote to memory of 1980 4540 Payment Advice D 0024679526 3930.exe 91 PID 4540 wrote to memory of 1980 4540 Payment Advice D 0024679526 3930.exe 91 PID 4540 wrote to memory of 2904 4540 Payment Advice D 0024679526 3930.exe 93 PID 4540 wrote to memory of 2904 4540 Payment Advice D 0024679526 3930.exe 93 PID 4540 wrote to memory of 2904 4540 Payment Advice D 0024679526 3930.exe 93 PID 4540 wrote to memory of 1400 4540 Payment Advice D 0024679526 3930.exe 95 PID 4540 wrote to memory of 1400 4540 Payment Advice D 0024679526 3930.exe 95 PID 4540 wrote to memory of 1400 4540 Payment Advice D 0024679526 3930.exe 95 PID 4540 wrote to memory of 1400 4540 Payment Advice D 0024679526 3930.exe 95 PID 4540 wrote to memory of 1400 4540 Payment Advice D 0024679526 3930.exe 95 PID 4540 wrote to memory of 1400 4540 Payment Advice D 0024679526 3930.exe 95
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Advice D 0024679526 3930.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice D 0024679526 3930.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:4540 -
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\Payment Advice D 0024679526 3930.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4192
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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\OyXCaSLaAXfAKx.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1980
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OyXCaSLaAXfAKx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp376.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2904
-
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C:\Users\Admin\AppData\Local\Temp\Payment Advice D 0024679526 3930.exe"C:\Users\Admin\AppData\Local\Temp\Payment Advice D 0024679526 3930.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1400
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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 631a3cdc47f2c8d55c66df7c7569d332f31b78e424d25f839fbb447d8afaffab
- MD5 d325daccb8e0798b229b05f0b408ad8a
- SHA1 8813a90a52f911870b3d46f09a657aca6eb7c950
- SHA512 186673e3bbaeb35be8e668a2477a4866e4cdb9fcf4d8afa1566690e5ba49407cedd5bbc1143fa284fdaa23a543abf4baaf9205087d661d157249100d1adb346f
- SSDEEP 384:Vsf+Bh9i+3YKQ2B/6tzJkpo9ojT5K6seYPIR/q03SoZgfYSP4jERLSQUgdcSkKPD:KfZw/Ke6ojT5Nw+DS/RmERGC5B
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vzz12b2l.00y.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmp376.tmp
- Size 1KB
- SHA256 a04f1d81c8b07cab3c7fed544289821cfb99b49e857e781fade019ba37e99d4d
- MD5 986f25875f15a935f16f2a3b092da67a
- SHA1 bee34bb1fa1e5958e59ec85cbe4b6474b0cc4063
- SHA512 d0f0126465db383f0e19e5e9b214e0725da2db08af7527b453b741317e5e86a0a3c9cf16ecacddb46ed7d0c8ded52b5843b3f1173de0ce038fa6f2e5702efc8e
- MD5 SHA1 SHA512