Analysis
- max time kernel
108s - max time network
152s - platform
windows10_x64 - resource
win10v20210408 - submitted
07/06/2021, 13:06
General
- Target Shipping documents & Proforma invoice.exe
- Size 356KB
- Sample210607-1mrntgnp82
- SHA256 ebd24502078f9395ed6fe4cf53a9506e9c087d500b5c8ae0c962cd0b4b4be498
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 2 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Shipping documents & Proforma invoice.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents & Proforma invoice.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Users\Admin\AppData\Local\Temp\Shipping documents & Proforma invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3432-117-0x0000000000400000-0x0000000000424000-memory.dmp
memory/3432-119-0x0000000005920000-0x0000000005921000-memory.dmp
memory/3432-120-0x00000000052C0000-0x00000000052C1000-memory.dmp
memory/3432-121-0x0000000005420000-0x000000000591E000-memory.dmp
memory/3432-122-0x00000000063F0000-0x00000000063F1000-memory.dmp
memory/3432-123-0x00000000062C0000-0x00000000062C1000-memory.dmp
memory/3432-124-0x0000000006220000-0x0000000006221000-memory.dmp