Analysis
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max time kernel
152s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
02-10-2022 09:08
Behavioral task
behavioral1
Sample
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe
Resource
win10v2004-20220812-en
General
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Target
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe
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Size
23KB
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MD5
6ccc425c631acf8fb40e8b3ff5a7f000
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SHA1
7499bd4ea8becca5bc3f0b9fabc96d7270d46431
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SHA256
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29
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SHA512
6cd2136f2d3515025fc04b6a683038ac5fd240807f2cde73fbc811b3ac47757db6a2981759cacdc6b9f9471e18622fd5752c7bef73fc5ae13d154e08b682b49b
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SSDEEP
384:Cc6ze6e1PAhJVzC3tC1im/Bscx46wgZ0rap9H9mRvR6JZlbw8hqIusZzZLO:ie9EJLN/aRpcnuh
Malware Config
Extracted
njrat
0.7d
HacKed
dddddddd111.zapto.org:8701
1ce270c78d3c425224ce69fe9529371c
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reg_key
1ce270c78d3c425224ce69fe9529371c
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
server.exepid process 940 server.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Loads dropped DLL 1 IoCs
Processes:
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exepid process 1060 da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
server.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\1ce270c78d3c425224ce69fe9529371c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\1ce270c78d3c425224ce69fe9529371c = "\"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 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe Token: 33 940 server.exe Token: SeIncBasePriorityPrivilege 940 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exeserver.exedescription pid process target process PID 1060 wrote to memory of 940 1060 da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe server.exe PID 1060 wrote to memory of 940 1060 da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe server.exe PID 1060 wrote to memory of 940 1060 da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe server.exe PID 1060 wrote to memory of 940 1060 da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe server.exe PID 940 wrote to memory of 1732 940 server.exe netsh.exe PID 940 wrote to memory of 1732 940 server.exe netsh.exe PID 940 wrote to memory of 1732 940 server.exe netsh.exe PID 940 wrote to memory of 1732 940 server.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.exe"C:\Users\Admin\AppData\Local\Temp\da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29.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
- 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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\server.exeFilesize
23KB
MD56ccc425c631acf8fb40e8b3ff5a7f000
SHA17499bd4ea8becca5bc3f0b9fabc96d7270d46431
SHA256da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29
SHA5126cd2136f2d3515025fc04b6a683038ac5fd240807f2cde73fbc811b3ac47757db6a2981759cacdc6b9f9471e18622fd5752c7bef73fc5ae13d154e08b682b49b
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C:\Users\Admin\AppData\Local\Temp\server.exeFilesize
23KB
MD56ccc425c631acf8fb40e8b3ff5a7f000
SHA17499bd4ea8becca5bc3f0b9fabc96d7270d46431
SHA256da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29
SHA5126cd2136f2d3515025fc04b6a683038ac5fd240807f2cde73fbc811b3ac47757db6a2981759cacdc6b9f9471e18622fd5752c7bef73fc5ae13d154e08b682b49b
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\Users\Admin\AppData\Local\Temp\server.exeFilesize
23KB
MD56ccc425c631acf8fb40e8b3ff5a7f000
SHA17499bd4ea8becca5bc3f0b9fabc96d7270d46431
SHA256da087a57703a90ca39321c52fbbb3971a6f5e045dc183af03397e9fc58c8bc29
SHA5126cd2136f2d3515025fc04b6a683038ac5fd240807f2cde73fbc811b3ac47757db6a2981759cacdc6b9f9471e18622fd5752c7bef73fc5ae13d154e08b682b49b
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memory/940-57-0x0000000000000000-mapping.dmp
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memory/940-62-0x0000000074760000-0x0000000074D0B000-memory.dmpFilesize
5.7MB
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memory/940-65-0x0000000074760000-0x0000000074D0B000-memory.dmpFilesize
5.7MB
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memory/1060-54-0x0000000075021000-0x0000000075023000-memory.dmpFilesize
8KB
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memory/1060-55-0x0000000074760000-0x0000000074D0B000-memory.dmpFilesize
5.7MB
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memory/1060-61-0x0000000074760000-0x0000000074D0B000-memory.dmpFilesize
5.7MB
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memory/1732-63-0x0000000000000000-mapping.dmp