Analysis
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max time kernel
119s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-09-2024 07:15
Static task
static1
Behavioral task
behavioral1
Sample
ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe
Resource
win10v2004-20240802-en
General
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Target
ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe
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Size
128KB
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MD5
13c2a0a9fbc1649da8c50ce26b292440
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SHA1
958b633948884bebdaaec097495954ea181b5702
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SHA256
ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cf
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SHA512
efa1527c3c14934124299cea35f6b7822c2cf4ec04d8872b275f4e68370618c6323095df58a403cbd4d61866f8f8c7997da13ef42ab40f7e1caf8b63c5254648
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SSDEEP
3072:H42ScHsJXC/Uij87CW70PX9akYAMTxLkwJgt1aedys9jjYLde:Y2SdcJDak9YxLVgueXx
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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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2772 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0bb29bc288c4cac846ed6aff410e0c6.exe winhelp.bat File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0bb29bc288c4cac846ed6aff410e0c6.exe winhelp.bat -
Executes dropped EXE 1 IoCs
pid Process 2584 winhelp.bat -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\e0bb29bc288c4cac846ed6aff410e0c6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\winhelp.bat\" .." winhelp.bat Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e0bb29bc288c4cac846ed6aff410e0c6 = "\"C:\\Users\\Admin\\AppData\\Roaming\\winhelp.bat\" .." winhelp.bat -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe -
Suspicious use of AdjustPrivilegeToken 27 IoCs
description pid Process Token: SeDebugPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat Token: 33 2584 winhelp.bat Token: SeIncBasePriorityPrivilege 2584 winhelp.bat -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2532 wrote to memory of 2584 2532 ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe 30 PID 2532 wrote to memory of 2584 2532 ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe 30 PID 2532 wrote to memory of 2584 2532 ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe 30 PID 2584 wrote to memory of 2772 2584 winhelp.bat 32 PID 2584 wrote to memory of 2772 2584 winhelp.bat 32 PID 2584 wrote to memory of 2772 2584 winhelp.bat 32
Processes
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C:\Users\Admin\AppData\Local\Temp\ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe"C:\Users\Admin\AppData\Local\Temp\ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cfN.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2532 -
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
PID:2584 -
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
PID:2772
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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
128KB
MD513c2a0a9fbc1649da8c50ce26b292440
SHA1958b633948884bebdaaec097495954ea181b5702
SHA256ad21777c9591c33b563a53115f9db9461899805dfe9c73a690463074fa9f12cf
SHA512efa1527c3c14934124299cea35f6b7822c2cf4ec04d8872b275f4e68370618c6323095df58a403cbd4d61866f8f8c7997da13ef42ab40f7e1caf8b63c5254648