Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/02/2024, 11:28
General
- Target SecuriteInfo.com.Variant.Strictor.285707.29718.exe
- Size 1.7MB
- Sample240227-nk91jsfe42
- SHA256 56df66ed0f0b1af511e3b84ae5615a6712c4dad3c00dda2b4cdd10705d161178
Malware Config
Signatures
- Drops file in Drivers directory 2 IoCs
- Possible privilege escalation attempt 7 IoCs
- Sets file execution options in registry 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 7 IoCs
- Modifies file permissions 1 TTPs 7 IoCs
- Drops file in Program Files directory 8 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Kills process with taskkill 3 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 54 IoCs
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of WriteProcessMemory 62 IoCs
- Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
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C:\Program Files\AIOC5\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"C:\Program Files\AIOC5\SecuriteInfo.com.Variant.Strictor.285707.29718.exe" "/StartPath:C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\taskkill.exe"C:\Windows\System32\taskkill.exe" /F /IM Record.exe /T3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ICACLS "C:\Program Files\AIOC5" /grant:r Everyone:(OI)(CI)(F)3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeICACLS "C:\Program Files\AIOC5" /grant:r Everyone:(OI)(CI)(F)4⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F aioc*_offline.exe3⤵
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C:\Program Files\AIOC5\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"C:\Program Files\AIOC5\SecuriteInfo.com.Variant.Strictor.285707.29718.exe" "/StartPath:C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"3⤵
- Sets file execution options in registry
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\taskkill.exe"C:\Windows\System32\taskkill.exe" /F /IM Record.exe /T4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ICACLS "C:\Program Files\AIOC5" /grant:r Everyone:(OI)(CI)(F)4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeICACLS "C:\Program Files\AIOC5" /grant:r Everyone:(OI)(CI)(F)5⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F aioc*_offline.exe4⤵
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C:\Program Files\AIOC5\PrimaryScreen.exe"PrimaryScreen.exe" ScaleX4⤵
- Executes dropped EXE
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C:\Program Files\AIOC5\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"C:\Program Files\AIOC5\SecuriteInfo.com.Variant.Strictor.285707.29718.exe" "/StartPath:C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Strictor.285707.29718.exe"4⤵
- Drops file in Drivers directory
- Checks computer location settings
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\taskkill.exe"C:\Windows\System32\taskkill.exe" /F /IM Record.exe /T5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ICACLS "C:\Program Files\AIOC5" /grant:r Everyone:(OI)(CI)(F)5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeICACLS "C:\Program Files\AIOC5" /grant:r Everyone:(OI)(CI)(F)6⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F aioc*_offline.exe5⤵
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C:\Program Files\AIOC5\PrimaryScreen.exe"PrimaryScreen.exe" ScaleX5⤵
- Executes dropped EXE
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C:\Program Files\AIOC5\PrimaryScreen.exe"PrimaryScreen.exe" WorkingArea5⤵
- Executes dropped EXE
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C:\Program Files\AIOC5\PrimaryScreen.exe"PrimaryScreen.exe" desktop5⤵
- Executes dropped EXE
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C TAKEOWN /F "C:\Windows\system32\drivers\etc" /R /D Y5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\takeown.exeTAKEOWN /F "C:\Windows\system32\drivers\etc" /R /D Y6⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ICACLS "C:\Windows\system32\drivers\etc" /grant:r Everyone:(OI)(CI)(F)5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeICACLS "C:\Windows\system32\drivers\etc" /grant:r Everyone:(OI)(CI)(F)6⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C TAKEOWN /F "C:\Windows\system32\drivers\etc\hosts"5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\takeown.exeTAKEOWN /F "C:\Windows\system32\drivers\etc\hosts"6⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ICACLS "C:\Windows\system32\drivers\etc\hosts" /grant:r Everyone:(F)5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\icacls.exeICACLS "C:\Windows\system32\drivers\etc\hosts" /grant:r Everyone:(F)6⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C ATTRIB -R -H -S "C:\Windows\system32\drivers\etc\hosts" /S /D /L5⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeATTRIB -R -H -S "C:\Windows\system32\drivers\etc\hosts" /S /D /L6⤵
- Drops file in Drivers directory
- Views/modifies file attributes
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C:\Windows\SYSTEM32\CMD.exe"CMD" /C ping -n 2 -w 500 223.5.5.55⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\PING.EXEping -n 2 -w 500 223.5.5.56⤵
- Runs ping.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Microsoft.VisualBasic.dll
Newtonsoft.Json.dll
PrimaryScreen.exe
SecuriteInfo.com.Variant.Strictor.285707.29718.exe
SecuriteInfo.com.Variant.Strictor.285707.29718.exe
SecuriteInfo.com.Variant.Strictor.285707.29718.exe
SecuriteInfo.com.Variant.Strictor.285707.29718.exe.config
System.Deployment.dll
System.Xml.Linq.dll
PrimaryScreen.exe.log
SecuriteInfo.com.Variant.Strictor.285707.29718.exe.log
memory/216-25-0x000000001C4C0000-0x000000001C646000-memory.dmp
memory/216-18-0x000000001B9D0000-0x000000001BD26000-memory.dmp
memory/216-29-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/216-17-0x000000001B110000-0x000000001B120000-memory.dmp
memory/216-15-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/1476-52-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/1776-59-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/1776-50-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/1844-48-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/3200-38-0x0000000000530000-0x0000000000538000-memory.dmp
memory/3200-39-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/3200-41-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/3856-0-0x0000000000400000-0x00000000005BA000-memory.dmp
memory/3856-1-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/3856-16-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/3856-2-0x000000001B1B0000-0x000000001B1C0000-memory.dmp
memory/4780-54-0x0000000023880000-0x000000002390A000-memory.dmp
memory/4780-45-0x000000001BD70000-0x000000001BD80000-memory.dmp
memory/4780-44-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/4780-53-0x000000001BD70000-0x000000001BD80000-memory.dmp
memory/4780-58-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/4780-60-0x000000001BD70000-0x000000001BD80000-memory.dmp
memory/4968-31-0x000000001B090000-0x000000001B0A0000-memory.dmp
memory/4968-43-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp
memory/4968-30-0x00007FFE61070000-0x00007FFE61B31000-memory.dmp