Analysis
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max time kernel
152s -
max time network
172s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 06:01
Behavioral task
behavioral1
Sample
b94ea2a4ba60943be5abe2b11ede9442.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b94ea2a4ba60943be5abe2b11ede9442.exe
Resource
win10v2004-20220812-en
General
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Target
b94ea2a4ba60943be5abe2b11ede9442.exe
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Size
37KB
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MD5
b94ea2a4ba60943be5abe2b11ede9442
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SHA1
603fd44a999e270e36463b7a3cf82f30b3b3e10c
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SHA256
8518b318def7cabe060d8639c6dc11076325e164a4faee7306f274a8abe1aa59
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SHA512
9e03655c1fceabbcd9bd72cf44e377eb338e7b86fa942ddd3c27d91ba10c46141620eef87c402eaaf40b63df4d0370e14b1e761ac1edbbcbcbb078d36c6b95e8
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SSDEEP
384:8SxcaCis//WRdL5kyc/p0P3XngacpMprAF+rMRTyN/0L+EcoinblneHQM3epzXWt:9xcUD5nc/p0f1c8rM+rMRa8Nu4nt
Malware Config
Extracted
njrat
im523
HacKed 3losh
0.tcp.in.ngrok.io:18640
b96c10ee24d9b0b6dd6b3d186c6a1b2b
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reg_key
b96c10ee24d9b0b6dd6b3d186c6a1b2b
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
server.exepid process 564 server.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
server.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b96c10ee24d9b0b6dd6b3d186c6a1b2b.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b96c10ee24d9b0b6dd6b3d186c6a1b2b.exe server.exe -
Loads dropped DLL 1 IoCs
Processes:
b94ea2a4ba60943be5abe2b11ede9442.exepid process 1280 b94ea2a4ba60943be5abe2b11ede9442.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
server.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\b96c10ee24d9b0b6dd6b3d186c6a1b2b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b96c10ee24d9b0b6dd6b3d186c6a1b2b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 19 IoCs
Processes:
server.exedescription pid process Token: SeDebugPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe Token: 33 564 server.exe Token: SeIncBasePriorityPrivilege 564 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
b94ea2a4ba60943be5abe2b11ede9442.exeserver.exedescription pid process target process PID 1280 wrote to memory of 564 1280 b94ea2a4ba60943be5abe2b11ede9442.exe server.exe PID 1280 wrote to memory of 564 1280 b94ea2a4ba60943be5abe2b11ede9442.exe server.exe PID 1280 wrote to memory of 564 1280 b94ea2a4ba60943be5abe2b11ede9442.exe server.exe PID 1280 wrote to memory of 564 1280 b94ea2a4ba60943be5abe2b11ede9442.exe server.exe PID 564 wrote to memory of 1136 564 server.exe netsh.exe PID 564 wrote to memory of 1136 564 server.exe netsh.exe PID 564 wrote to memory of 1136 564 server.exe netsh.exe PID 564 wrote to memory of 1136 564 server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b94ea2a4ba60943be5abe2b11ede9442.exe"C:\Users\Admin\AppData\Local\Temp\b94ea2a4ba60943be5abe2b11ede9442.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\server.exeFilesize
37KB
MD5b94ea2a4ba60943be5abe2b11ede9442
SHA1603fd44a999e270e36463b7a3cf82f30b3b3e10c
SHA2568518b318def7cabe060d8639c6dc11076325e164a4faee7306f274a8abe1aa59
SHA5129e03655c1fceabbcd9bd72cf44e377eb338e7b86fa942ddd3c27d91ba10c46141620eef87c402eaaf40b63df4d0370e14b1e761ac1edbbcbcbb078d36c6b95e8
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C:\Users\Admin\AppData\Local\Temp\server.exeFilesize
37KB
MD5b94ea2a4ba60943be5abe2b11ede9442
SHA1603fd44a999e270e36463b7a3cf82f30b3b3e10c
SHA2568518b318def7cabe060d8639c6dc11076325e164a4faee7306f274a8abe1aa59
SHA5129e03655c1fceabbcd9bd72cf44e377eb338e7b86fa942ddd3c27d91ba10c46141620eef87c402eaaf40b63df4d0370e14b1e761ac1edbbcbcbb078d36c6b95e8
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\Users\Admin\AppData\Local\Temp\server.exeFilesize
37KB
MD5b94ea2a4ba60943be5abe2b11ede9442
SHA1603fd44a999e270e36463b7a3cf82f30b3b3e10c
SHA2568518b318def7cabe060d8639c6dc11076325e164a4faee7306f274a8abe1aa59
SHA5129e03655c1fceabbcd9bd72cf44e377eb338e7b86fa942ddd3c27d91ba10c46141620eef87c402eaaf40b63df4d0370e14b1e761ac1edbbcbcbb078d36c6b95e8
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memory/564-58-0x0000000000000000-mapping.dmp
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memory/564-63-0x0000000074200000-0x00000000747AB000-memory.dmpFilesize
5.7MB
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memory/564-66-0x0000000074200000-0x00000000747AB000-memory.dmpFilesize
5.7MB
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memory/1136-64-0x0000000000000000-mapping.dmp
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memory/1280-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmpFilesize
8KB
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memory/1280-55-0x0000000074200000-0x00000000747AB000-memory.dmpFilesize
5.7MB
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memory/1280-57-0x0000000074200000-0x00000000747AB000-memory.dmpFilesize
5.7MB
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memory/1280-62-0x0000000074200000-0x00000000747AB000-memory.dmpFilesize
5.7MB