Analysis
- max time kernel
92s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
11/06/2024, 01:28
General
- Target ad27785339182485262a3a4b39d554d00aa73cb1ca437a28b181df2901036404.exe
- Size 755KB
- Sample240611-bvvbmayemd
- SHA256 ad27785339182485262a3a4b39d554d00aa73cb1ca437a28b181df2901036404
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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\ad27785339182485262a3a4b39d554d00aa73cb1ca437a28b181df2901036404.exe"C:\Users\Admin\AppData\Local\Temp\ad27785339182485262a3a4b39d554d00aa73cb1ca437a28b181df2901036404.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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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\Local\Temp\ad27785339182485262a3a4b39d554d00aa73cb1ca437a28b181df2901036404.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\BPSHhDGmARC.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BPSHhDGmARC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B58.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ad27785339182485262a3a4b39d554d00aa73cb1ca437a28b181df2901036404.exe"C:\Users\Admin\AppData\Local\Temp\ad27785339182485262a3a4b39d554d00aa73cb1ca437a28b181df2901036404.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 1843⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 3720 -ip 37201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_1vzfrl4w.jqb.ps1
tmp8B58.tmp
memory/1404-5-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1404-4-0x0000000005700000-0x000000000570A000-memory.dmp
memory/1404-6-0x0000000006EE0000-0x0000000006F02000-memory.dmp
memory/1404-7-0x0000000002F50000-0x0000000002F60000-memory.dmp
memory/1404-8-0x0000000009760000-0x00000000097EA000-memory.dmp
memory/1404-9-0x000000000C890000-0x000000000C92C000-memory.dmp
memory/1404-14-0x000000007492E000-0x000000007492F000-memory.dmp
memory/1404-3-0x0000000005640000-0x00000000056D2000-memory.dmp
memory/1404-2-0x0000000005B50000-0x00000000060F4000-memory.dmp
memory/1404-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/1404-1-0x0000000000BA0000-0x0000000000C5E000-memory.dmp
memory/1404-49-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1404-25-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2644-76-0x0000000006EE0000-0x0000000006EFA000-memory.dmp
memory/2644-79-0x00000000070E0000-0x00000000070F1000-memory.dmp
memory/2644-24-0x0000000004CF0000-0x0000000004D56000-memory.dmp
memory/2644-23-0x0000000004C80000-0x0000000004CE6000-memory.dmp
memory/2644-26-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2644-42-0x00000000055A0000-0x00000000058F4000-memory.dmp
memory/2644-15-0x0000000002290000-0x00000000022C6000-memory.dmp
memory/2644-17-0x0000000004D70000-0x0000000005398000-memory.dmp
memory/2644-86-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2644-18-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2644-21-0x0000000004AE0000-0x0000000004B02000-memory.dmp
memory/2644-50-0x0000000005BA0000-0x0000000005BBE000-memory.dmp
memory/2644-51-0x0000000005C60000-0x0000000005CAC000-memory.dmp
memory/2644-64-0x0000000006B90000-0x0000000006BAE000-memory.dmp
memory/2644-81-0x0000000007120000-0x0000000007134000-memory.dmp
memory/2644-65-0x0000000006DB0000-0x0000000006E53000-memory.dmp
memory/2644-53-0x00000000751B0000-0x00000000751FC000-memory.dmp
memory/2644-52-0x0000000006150000-0x0000000006182000-memory.dmp
memory/2644-75-0x0000000007520000-0x0000000007B9A000-memory.dmp
memory/2644-16-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2644-80-0x0000000007110000-0x000000000711E000-memory.dmp
memory/3216-78-0x00000000076D0000-0x0000000007766000-memory.dmp
memory/3216-20-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3216-77-0x00000000074C0000-0x00000000074CA000-memory.dmp
memory/3216-63-0x00000000751B0000-0x00000000751FC000-memory.dmp
memory/3216-82-0x0000000007790000-0x00000000077AA000-memory.dmp
memory/3216-83-0x0000000007770000-0x0000000007778000-memory.dmp
memory/3216-19-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3216-37-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3216-90-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/3720-47-0x0000000000400000-0x0000000000442000-memory.dmp