Analysis
- max time kernel
149s - max time network
160s - platform
windows10-2004_x64 - resource
win10v2004-20240220-en - resource tags
- submitted
20/02/2024, 12:42
General
- Target Build.exe
- Size 18KB
- Sample240220-pxkf4aha29
- SHA256 56bdd66aa0aae8982bbcae34451e0a6cf3f2be17033d58efff5574b5b05933be
Score
10/10
Malware Config
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- ModiLoader Second Stage 2 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Build.exe"C:\Users\Admin\AppData\Local\Temp\Build.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"C:\Users\Admin\AppData\Roaming\Runtime Broker.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Runtime Broker.exe
memory/1548-9-0x0000000000400000-0x0000000000414000-memory.dmp
memory/1548-11-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3160-0-0x0000000000400000-0x0000000000414000-memory.dmp
memory/3160-10-0x0000000000400000-0x0000000000414000-memory.dmp