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Analysis
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max time kernel
149s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
20/01/2024, 20:56
Behavioral task
behavioral1
Sample
9DF2B193396F5BE4C1636B0619362EC6.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
9DF2B193396F5BE4C1636B0619362EC6.exe
Resource
win10v2004-20231222-en
General
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Target
9DF2B193396F5BE4C1636B0619362EC6.exe
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Size
23KB
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MD5
9df2b193396f5be4c1636b0619362ec6
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SHA1
91803a123fa7ceb1359c797a98632208bc4597d9
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SHA256
bc77b4592acc8dc3708179fd8719405271052addb074c04db57f0f1699e77708
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SHA512
bf81c77d2c5528a835721d3d70dabf030a37573dc8c5a1b4cb9a1b714bd66fde4e279881f8783d765c60d6cc279406d0ab7af9028974f2a750088e01bafdd578
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SSDEEP
384:qY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZb/xP:9L2s+tRyRpcnuQJP
Malware Config
Extracted
njrat
0.7d
HacKed
fallenvrsdo7ne.ddns.net:1177
5a1dceb696560575497ef5faf4d00de1
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reg_key
5a1dceb696560575497ef5faf4d00de1
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2656 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5a1dceb696560575497ef5faf4d00de1.exe tst.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5a1dceb696560575497ef5faf4d00de1.exe tst.exe -
Executes dropped EXE 1 IoCs
pid Process 2220 tst.exe -
Loads dropped DLL 1 IoCs
pid Process 2888 9DF2B193396F5BE4C1636B0619362EC6.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\5a1dceb696560575497ef5faf4d00de1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tst.exe\" .." tst.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5a1dceb696560575497ef5faf4d00de1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\tst.exe\" .." tst.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe Token: 33 2220 tst.exe Token: SeIncBasePriorityPrivilege 2220 tst.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2220 2888 9DF2B193396F5BE4C1636B0619362EC6.exe 28 PID 2888 wrote to memory of 2220 2888 9DF2B193396F5BE4C1636B0619362EC6.exe 28 PID 2888 wrote to memory of 2220 2888 9DF2B193396F5BE4C1636B0619362EC6.exe 28 PID 2888 wrote to memory of 2220 2888 9DF2B193396F5BE4C1636B0619362EC6.exe 28 PID 2220 wrote to memory of 2656 2220 tst.exe 29 PID 2220 wrote to memory of 2656 2220 tst.exe 29 PID 2220 wrote to memory of 2656 2220 tst.exe 29 PID 2220 wrote to memory of 2656 2220 tst.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\9DF2B193396F5BE4C1636B0619362EC6.exe"C:\Users\Admin\AppData\Local\Temp\9DF2B193396F5BE4C1636B0619362EC6.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Users\Admin\AppData\Local\Temp\tst.exe"C:\Users\Admin\AppData\Local\Temp\tst.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\tst.exe" "tst.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2656
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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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
23KB
MD59df2b193396f5be4c1636b0619362ec6
SHA191803a123fa7ceb1359c797a98632208bc4597d9
SHA256bc77b4592acc8dc3708179fd8719405271052addb074c04db57f0f1699e77708
SHA512bf81c77d2c5528a835721d3d70dabf030a37573dc8c5a1b4cb9a1b714bd66fde4e279881f8783d765c60d6cc279406d0ab7af9028974f2a750088e01bafdd578