Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
04-11-2024 18:47
General
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Target
66a1743f5791c9746a988bb1e5c250f25941a3122430be24380d9a9cb3484961.exe
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Size
489KB
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MD5
3dbe30b615ca39afbc28c4e00fb5941d
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SHA1
199f664cf6d92a172c2e2d8cbfcd71f2884f2906
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SHA256
66a1743f5791c9746a988bb1e5c250f25941a3122430be24380d9a9cb3484961
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SHA512
2fd60508dfbe0942363bdd1183df0e2c43d628af036462d9ab648bce15209ef39061e64b162174b500fb5c79a3dcb07a6098bb365c9eea76dcd4fb0ab62110e8
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SSDEEP
12288:tar1ua/gY5dCTiJ5njy4NR/9M4OZp75vl07sOxc:ohn5QyNykI4AVly7
Malware Config
Extracted
njrat
0.7d
VIP@DUMP
volkatv500.sytes.net:999
e0bb29bc288c4cac846ed6aff410e0c6
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reg_key
e0bb29bc288c4cac846ed6aff410e0c6
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splitter
|'|'|
Signatures
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Njrat family
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njRAT/Bladabindi
Widely used RAT written in .NET.
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Modifies Windows Firewall 2 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 2 IoCs
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Executes dropped EXE 1 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
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Suspicious use of AdjustPrivilegeToken 33 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\66a1743f5791c9746a988bb1e5c250f25941a3122430be24380d9a9cb3484961.exe"C:\Users\Admin\AppData\Local\Temp\66a1743f5791c9746a988bb1e5c250f25941a3122430be24380d9a9cb3484961.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\winhelp.bat"C:\Users\Admin\AppData\Roaming\winhelp.bat"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\winhelp.bat" "winhelp.bat" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
489KB
MD53dbe30b615ca39afbc28c4e00fb5941d
SHA1199f664cf6d92a172c2e2d8cbfcd71f2884f2906
SHA25666a1743f5791c9746a988bb1e5c250f25941a3122430be24380d9a9cb3484961
SHA5122fd60508dfbe0942363bdd1183df0e2c43d628af036462d9ab648bce15209ef39061e64b162174b500fb5c79a3dcb07a6098bb365c9eea76dcd4fb0ab62110e8
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
4KB
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Filesize
664KB
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Filesize
4.8MB
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Filesize
624KB
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Filesize
24KB
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Filesize
32KB
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Filesize
304KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
48KB
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Filesize
544KB
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Filesize
4KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB