Analysis
- max time kernel
64s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
15/09/2022, 08:15
General
- Target Purchase Order No. PO2732559-022.pdf (742 KB).exe
- Size 808KB
- Sample220915-j5k5pscdd2
- SHA256 ea32c3c39c8c3f83e95916262d37b5aa49c920a9356dcebfa639b8391413ae9a
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchase Order No. PO2732559-022.pdf (742 KB).exe"C:\Users\Admin\AppData\Local\Temp\Purchase Order No. PO2732559-022.pdf (742 KB).exe"1⤵
- Checks computer location settings
- 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\QUpHmWbjFCSqN.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\QUpHmWbjFCSqN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E51.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp3E51.tmp
memory/1144-133-0x00000000051B0000-0x0000000005754000-memory.dmp
memory/1144-134-0x0000000004AB0000-0x0000000004B42000-memory.dmp
memory/1144-135-0x0000000004B50000-0x0000000004B5A000-memory.dmp
memory/1144-136-0x0000000008A00000-0x0000000008A9C000-memory.dmp
memory/1144-137-0x0000000008BA0000-0x0000000008C06000-memory.dmp
memory/1144-132-0x0000000000060000-0x0000000000130000-memory.dmp
memory/4520-152-0x0000000070C60000-0x0000000070CAC000-memory.dmp
memory/4520-154-0x0000000007B50000-0x00000000081CA000-memory.dmp
memory/4520-146-0x0000000005250000-0x0000000005272000-memory.dmp
memory/4520-149-0x0000000005AD0000-0x0000000005B36000-memory.dmp
memory/4520-150-0x0000000006210000-0x000000000622E000-memory.dmp
memory/4520-140-0x00000000028C0000-0x00000000028F6000-memory.dmp
memory/4520-151-0x00000000071E0000-0x0000000007212000-memory.dmp
memory/4520-153-0x00000000067B0000-0x00000000067CE000-memory.dmp
memory/4520-142-0x00000000054A0000-0x0000000005AC8000-memory.dmp
memory/4520-155-0x0000000007500000-0x000000000751A000-memory.dmp
memory/4520-156-0x0000000007570000-0x000000000757A000-memory.dmp
memory/4520-157-0x0000000007780000-0x0000000007816000-memory.dmp
memory/4520-158-0x0000000007730000-0x000000000773E000-memory.dmp
memory/4520-159-0x0000000007840000-0x000000000785A000-memory.dmp
memory/4520-160-0x0000000007820000-0x0000000007828000-memory.dmp