Analysis
- max time kernel
142s - max time network
124s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
19/07/2023, 11:58
General
- Target payment copy.exe
- Size 339KB
- Sample230719-n456pseb93
- SHA256 500546314c612ba53f7c5ba4a2a48fefc627f967d885628887a39b253ca84ea2
Malware Config
Extracted
-
darkcloud
- email_from
- email_to
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Loads dropped DLL 1 IoCs
- UPX packed file 20 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\payment copy.exe"C:\Users\Admin\AppData\Local\Temp\payment copy.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\payment copy.exe"C:\Users\Admin\AppData\Local\Temp\payment copy.exe"2⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
nbokz.dll
nbokz.dll
memory/2976-75-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-76-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-86-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-66-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-68-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-67-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-71-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-72-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-73-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-77-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-63-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-85-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-74-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-78-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-79-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-80-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-81-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-82-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-83-0x0000000000400000-0x0000000000476000-memory.dmp
memory/2976-84-0x0000000000400000-0x0000000000476000-memory.dmp
memory/3000-61-0x00000000750D0000-0x00000000750E2000-memory.dmp
memory/3000-65-0x00000000750D0000-0x00000000750E2000-memory.dmp