Analysis
- max time kernel
65s - max time network
45s - platform
windows7_x64 - resource
win7-20220414-en - submitted
22/04/2022, 15:21
General
- Target Türkiye İş Bankası swift Bildirimi_xls.exe
- Size 548KB
- Sample220422-srbtjsdcg6
- SHA256 88b3d6137dab7366119bd7c0e1939d2b63a5e7eb54f41fc443d6d9ea7e6d2113
Malware Config
Signatures
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Türkiye İş Bankası swift Bildirimi_xls.exe"C:\Users\Admin\AppData\Local\Temp\Türkiye İş Bankası swift Bildirimi_xls.exe"1⤵
- 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\Türkiye İş Bankası swift Bildirimi_xls.exe"2⤵
- 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\pUnFvPVmwxouQj.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\pUnFvPVmwxouQj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1343.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 10202⤵
- Program crash
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp1343.tmp
d93f411851d7c929.customDestinations-ms
memory/948-66-0x000000006EA80000-0x000000006F02B000-memory.dmp
memory/948-67-0x0000000002450000-0x000000000309A000-memory.dmp
memory/1436-69-0x0000000000382000-0x0000000000384000-memory.dmp
memory/1436-68-0x000000006EA80000-0x000000006F02B000-memory.dmp
memory/1436-58-0x0000000075841000-0x0000000075843000-memory.dmp
memory/1636-64-0x0000000005300000-0x0000000005342000-memory.dmp
memory/1636-54-0x0000000000AD0000-0x0000000000B60000-memory.dmp
memory/1636-56-0x0000000005650000-0x00000000056D4000-memory.dmp
memory/1636-55-0x0000000000630000-0x0000000000642000-memory.dmp