Analysis
- max time kernel
90s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - resource tags
- submitted
20/07/2022, 12:45
General
- Target FİYAT TEKLİFİ.exe
- Size 758KB
- Sample220720-py3dasfce6
- SHA256 759186d3cdce606b234d37e747fd83e100957ed32ec12d5ed0f2909f565382e8
Malware Config
Signatures
- Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
- Looks for VMWare Tools registry key 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\FİYAT TEKLİFİ.exe"C:\Users\Admin\AppData\Local\Temp\FİYAT TEKLİFİ.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- 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\Roaming\wEOZPttqY.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wEOZPttqY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp63EA.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 19082⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4996 -ip 49961⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp63EA.tmp
memory/1696-142-0x0000000006150000-0x00000000061B6000-memory.dmp
memory/1696-143-0x0000000006820000-0x000000000683E000-memory.dmp
memory/1696-153-0x0000000007E50000-0x0000000007E58000-memory.dmp
memory/1696-152-0x0000000007E70000-0x0000000007E8A000-memory.dmp
memory/1696-151-0x0000000007D60000-0x0000000007D6E000-memory.dmp
memory/1696-138-0x0000000005270000-0x00000000052A6000-memory.dmp
memory/1696-150-0x0000000007DB0000-0x0000000007E46000-memory.dmp
memory/1696-140-0x00000000059F0000-0x0000000006018000-memory.dmp
memory/1696-144-0x00000000077F0000-0x0000000007822000-memory.dmp
memory/1696-149-0x0000000007BA0000-0x0000000007BAA000-memory.dmp
memory/1696-148-0x0000000007B30000-0x0000000007B4A000-memory.dmp
memory/1696-141-0x0000000005960000-0x0000000005982000-memory.dmp
memory/1696-145-0x000000006FC30000-0x000000006FC7C000-memory.dmp
memory/1696-146-0x0000000006DE0000-0x0000000006DFE000-memory.dmp
memory/1696-147-0x0000000008170000-0x00000000087EA000-memory.dmp
memory/4996-130-0x00000000000F0000-0x00000000001B4000-memory.dmp
memory/4996-133-0x0000000004BF0000-0x0000000004BFA000-memory.dmp
memory/4996-131-0x0000000005040000-0x00000000055E4000-memory.dmp
memory/4996-132-0x0000000004B40000-0x0000000004BD2000-memory.dmp
memory/4996-135-0x0000000008B40000-0x0000000008BA6000-memory.dmp
memory/4996-134-0x0000000007060000-0x00000000070FC000-memory.dmp