Analysis
- max time kernel
152s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230221-en - resource tags
- submitted
11/04/2023, 00:58
General
- Target driver.exe
- Size 1.1MB
- Sample230411-bbhhqahf26
- SHA256 48d5f62e4f66656d94f16ec17b150591abb61308b46e47030a248f06804dfa3d
Malware Config
Extracted
-
njrat
-
im523
-
HacKed
-
street-shut.at.ply.gg:14364
-
dccc8d7505105c87a252e85fe083cf66
-
reg_key
dccc8d7505105c87a252e85fe083cf66
-
splitter
|'|'|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 1 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 33 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\driver.exe"C:\Users\Admin\AppData\Local\Temp\driver.exe"1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\GameBarPresenceWriter.exe"C:\Users\Admin\AppData\Roaming\GameBarPresenceWriter.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\GameBarPresenceWriter.exe" "GameBarPresenceWriter.exe" ENABLE3⤵
- Modifies Windows Firewall
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
GameBarPresenceWriter.exe
GameBarPresenceWriter.exe
GameBarPresenceWriter.exe
memory/208-145-0x00000000000D0000-0x0000000000448000-memory.dmp
memory/208-147-0x0000000003360000-0x0000000003370000-memory.dmp
memory/208-150-0x00000000000D0000-0x0000000000448000-memory.dmp
memory/208-151-0x0000000003360000-0x0000000003370000-memory.dmp
memory/392-133-0x0000000000C20000-0x0000000000F98000-memory.dmp
memory/392-134-0x0000000003700000-0x0000000003710000-memory.dmp
memory/392-146-0x0000000000C20000-0x0000000000F98000-memory.dmp