Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
11/11/2024, 05:49
General
- Target fHkdf4WB7zhMcqP.exe
- Size 884KB
- Sample241111-ghz91avbqa
- SHA256 6563b16904df3e6e15a66292bee241bee856ab8668da10d15217d7e19c612e53
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).
- 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.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 25 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fHkdf4WB7zhMcqP.exe"C:\Users\Admin\AppData\Local\Temp\fHkdf4WB7zhMcqP.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
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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\fHkdf4WB7zhMcqP.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- 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\vssfbkdOErXuYi.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vssfbkdOErXuYi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2239.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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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⤵
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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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_p420zji4.ivv.ps1
tmp2239.tmp
memory/1068-4-0x0000000004BF0000-0x0000000004BFA000-memory.dmp
memory/1068-5-0x0000000004CF0000-0x0000000004D8C000-memory.dmp
memory/1068-6-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/1068-7-0x00000000051B0000-0x00000000051C2000-memory.dmp
memory/1068-8-0x000000007527E000-0x000000007527F000-memory.dmp
memory/1068-9-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/1068-10-0x0000000006290000-0x0000000006322000-memory.dmp
memory/1068-3-0x0000000004B30000-0x0000000004BC2000-memory.dmp
memory/1068-2-0x00000000051E0000-0x0000000005784000-memory.dmp
memory/1068-47-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/1068-0-0x000000007527E000-0x000000007527F000-memory.dmp
memory/1068-1-0x0000000000090000-0x000000000016E000-memory.dmp
memory/3536-36-0x0000000005370000-0x00000000056C4000-memory.dmp
memory/3536-63-0x0000000075B00000-0x0000000075B4C000-memory.dmp
memory/3536-23-0x00000000049E0000-0x0000000004A02000-memory.dmp
memory/3536-88-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/3536-15-0x00000000020E0000-0x0000000002116000-memory.dmp
memory/3536-16-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/3536-18-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/3536-17-0x0000000004AA0000-0x00000000050C8000-memory.dmp
memory/3536-81-0x0000000007000000-0x0000000007008000-memory.dmp
memory/3536-80-0x0000000007020000-0x000000000703A000-memory.dmp
memory/3536-21-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/3536-78-0x0000000006F10000-0x0000000006F1E000-memory.dmp
memory/3536-76-0x0000000006F60000-0x0000000006FF6000-memory.dmp
memory/3536-74-0x0000000006CE0000-0x0000000006CFA000-memory.dmp
memory/3928-24-0x0000000005F30000-0x0000000005F96000-memory.dmp
memory/3928-77-0x0000000007B50000-0x0000000007B61000-memory.dmp
memory/3928-61-0x00000000075D0000-0x00000000075EE000-memory.dmp
memory/3928-51-0x0000000075B00000-0x0000000075B4C000-memory.dmp
memory/3928-73-0x0000000008000000-0x000000000867A000-memory.dmp
memory/3928-75-0x00000000079D0000-0x00000000079DA000-memory.dmp
memory/3928-50-0x0000000007590000-0x00000000075C2000-memory.dmp
memory/3928-62-0x00000000075F0000-0x0000000007693000-memory.dmp
memory/3928-49-0x00000000066A0000-0x00000000066EC000-memory.dmp
memory/3928-79-0x0000000007B90000-0x0000000007BA4000-memory.dmp
memory/3928-48-0x0000000006610000-0x000000000662E000-memory.dmp
memory/3928-22-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/3928-25-0x0000000005FA0000-0x0000000006006000-memory.dmp
memory/3928-19-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/3928-87-0x0000000075270000-0x0000000075A20000-memory.dmp
memory/4500-31-0x0000000000400000-0x0000000000447000-memory.dmp