Analysis
- max time kernel
135s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
05/05/2023, 01:26
General
- Target 35BC2054162C7288B55CAECC386D129B5B03E2A97985F.exe
- Size 899KB
- Sample230505-bty87afh83
- SHA256 35bc2054162c7288b55caecc386d129b5b03e2a97985f659913338195be78491
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Delays execution with timeout.exe 1 IoCs
- Suspicious behavior: EnumeratesProcesses 25 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 15 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\35BC2054162C7288B55CAECC386D129B5B03E2A97985F.exe"C:\Users\Admin\AppData\Local\Temp\35BC2054162C7288B55CAECC386D129B5B03E2A97985F.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /ru system /rl highest /tn 35BC2054162C7288B55CAECC386D129B5B03E2A97985F /tr '"C:\Users\Admin\AppData\Roaming\microsafte.exe"' & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /sc onlogon /ru system /rl highest /tn 35BC2054162C7288B55CAECC386D129B5B03E2A97985F /tr '"C:\Users\Admin\AppData\Roaming\microsafte.exe"'3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC009.tmp.bat""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
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C:\Users\Admin\AppData\Roaming\microsafte.exe"C:\Users\Admin\AppData\Roaming\microsafte.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmpC009.tmp.bat
microsafte.exe
microsafte.exe
memory/208-146-0x0000000005890000-0x00000000058A0000-memory.dmp
memory/208-147-0x00000000065F0000-0x0000000006656000-memory.dmp
memory/208-148-0x0000000005890000-0x00000000058A0000-memory.dmp
memory/3628-133-0x0000000000C00000-0x0000000000CE8000-memory.dmp
memory/3628-134-0x0000000005C40000-0x00000000061E4000-memory.dmp
memory/3628-135-0x0000000005730000-0x00000000057C2000-memory.dmp
memory/3628-136-0x00000000057D0000-0x000000000586C000-memory.dmp
memory/3628-137-0x0000000005960000-0x0000000005970000-memory.dmp