Analysis
- max time kernel
94s - max time network
98s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
07/10/2024, 08:13
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
September payments.exe
Resource
win7-20240903-en
9 signatures
150 seconds
General
- Target September payments.exe
- Size 873KB
- Sample241007-j4f5csvepj
- SHA256 b1fb20d5857d1ca65dbacd6cb100dc2d7da8eb7ce54d4faeebafb2bbb212beca
- MD5 bddb3b5687c1e5c4bb89e38d406261d1
- SHA1 aaf992182827d0493b478b9723fdcab48b1b509d
- SHA512 7ca8b69ade3ff0f0d151cf09132cff27880e0c080f9fe3bef49fd5df428ed37a86efcde753ac24b4dbcd5bb0dd421d3a478b5c38d3a4ff8183c8c54ae773e876
- SSDEEP 24576:Iv7Dh/9Fr/2yEjg4WIXAysZJmpTpnyEcu3GD:Ijt/X23zW+AhZMhpnyEzW
- 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 1092 powershell.exe 1680 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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation September payments.exe - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2988 set thread context of 2432 2988 September payments.exe 93 - 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 September payments.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 4220 schtasks.exe - Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 2988 September payments.exe 1092 powershell.exe 1680 powershell.exe 2988 September payments.exe 1092 powershell.exe 1680 powershell.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe 2432 vbc.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2988 September payments.exe Token: SeDebugPrivilege 1092 powershell.exe Token: SeDebugPrivilege 1680 powershell.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2988 wrote to memory of 1092 2988 September payments.exe 87 PID 2988 wrote to memory of 1092 2988 September payments.exe 87 PID 2988 wrote to memory of 1092 2988 September payments.exe 87 PID 2988 wrote to memory of 1680 2988 September payments.exe 89 PID 2988 wrote to memory of 1680 2988 September payments.exe 89 PID 2988 wrote to memory of 1680 2988 September payments.exe 89 PID 2988 wrote to memory of 4220 2988 September payments.exe 91 PID 2988 wrote to memory of 4220 2988 September payments.exe 91 PID 2988 wrote to memory of 4220 2988 September payments.exe 91 PID 2988 wrote to memory of 2432 2988 September payments.exe 93 PID 2988 wrote to memory of 2432 2988 September payments.exe 93 PID 2988 wrote to memory of 2432 2988 September payments.exe 93 PID 2988 wrote to memory of 2432 2988 September payments.exe 93 PID 2988 wrote to memory of 2432 2988 September payments.exe 93 PID 2988 wrote to memory of 2432 2988 September payments.exe 93
Processes
-
C:\Users\Admin\AppData\Local\Temp\September payments.exe"C:\Users\Admin\AppData\Local\Temp\September payments.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:2988 -
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\September payments.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1092
-
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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\YifGIcnmZiWfn.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1680
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YifGIcnmZiWfn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD4F3.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4220
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:2432
-
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 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
- MD5 968cb9309758126772781b83adb8a28f
- SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
- SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 18KB
- SHA256 ad4f5b670335f4c9fcf4eaf245f4b7f65898085df1e832e7a927f927d1ad66a7
- MD5 2f6dbe4059309765bfec66ebe85be136
- SHA1 091b4b79f697d6dc11f907530a8ec9f9d22153e0
- SHA512 3d677f2029054095864a9bf1114a24b734a9985efde79d151572ccb261f8fe4757d73a85712a22e30968cc2d5d4d97b2e3100299119fe9bacc9e5ea780f2df12
- SSDEEP 384:2sf+BO9i+qNEH3BizJk8o9OZTxyK6seYLME/B03SoZqfYSgojEDkSQ0gdMtkKhD:TfiOoehOZTxyNgrqS1W2ED/Cm3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kbid5oys.qkv.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\tmpD4F3.tmp
- Size 1KB
- SHA256 2937c6a53845aadcfa4b04b9dc6043f1d6264babb2d7b9dd5e5de5a85612c556
- MD5 421da89fe6f08bf0eb51613ca19b5ea2
- SHA1 e7544ab797b914ca6ebee020ac55dec0cd99a0ae
- SHA512 25cf11b9cea2bbbbe25ac2e36b2f247a3dd2e82dbb0a520d65e8ddd6a69fcf1d3ab9dba32799b8ddab16064ed056aca4d0fb88f8f55039a0001fb8b93d3e07d6
- MD5 SHA1 SHA512