Analysis
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max time kernel
151s -
max time network
43s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
26-06-2022 22:20
Behavioral task
behavioral1
Sample
36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe
Resource
win7-20220414-en
General
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Target
36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe
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Size
29KB
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MD5
13f58dfd117d898323b225c0a5ccc5f4
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SHA1
ef333f79c99d1ea871bfa2d25492f205643f589b
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SHA256
36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944
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SHA512
49637dd7084ae38654d876b000590aca768a4098a159b9b0196580c91494fb534c4e07478740611814288e7a7bd5bdff62691ebc43efd76d8928fc7225cbe763
Malware Config
Extracted
njrat
0.6.4
HacKed
127.0.0.1:1177
5cd8f17f4086744065eb0992a09e05a2
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reg_key
5cd8f17f4086744065eb0992a09e05a2
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Trojan.exepid process 1348 Trojan.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Loads dropped DLL 1 IoCs
Processes:
36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exepid process 304 36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Trojan.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.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 18 IoCs
Processes:
Trojan.exepid process 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe 1348 Trojan.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Trojan.exedescription pid process Token: SeDebugPrivilege 1348 Trojan.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exeTrojan.exedescription pid process target process PID 304 wrote to memory of 1348 304 36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe Trojan.exe PID 304 wrote to memory of 1348 304 36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe Trojan.exe PID 304 wrote to memory of 1348 304 36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe Trojan.exe PID 304 wrote to memory of 1348 304 36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe Trojan.exe PID 1348 wrote to memory of 900 1348 Trojan.exe netsh.exe PID 1348 wrote to memory of 900 1348 Trojan.exe netsh.exe PID 1348 wrote to memory of 900 1348 Trojan.exe netsh.exe PID 1348 wrote to memory of 900 1348 Trojan.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe"C:\Users\Admin\AppData\Local\Temp\36052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Trojan.exe"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- 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\Trojan.exe" "Trojan.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\Trojan.exeFilesize
29KB
MD513f58dfd117d898323b225c0a5ccc5f4
SHA1ef333f79c99d1ea871bfa2d25492f205643f589b
SHA25636052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944
SHA51249637dd7084ae38654d876b000590aca768a4098a159b9b0196580c91494fb534c4e07478740611814288e7a7bd5bdff62691ebc43efd76d8928fc7225cbe763
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C:\Users\Admin\AppData\Local\Temp\Trojan.exeFilesize
29KB
MD513f58dfd117d898323b225c0a5ccc5f4
SHA1ef333f79c99d1ea871bfa2d25492f205643f589b
SHA25636052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944
SHA51249637dd7084ae38654d876b000590aca768a4098a159b9b0196580c91494fb534c4e07478740611814288e7a7bd5bdff62691ebc43efd76d8928fc7225cbe763
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\Users\Admin\AppData\Local\Temp\Trojan.exeFilesize
29KB
MD513f58dfd117d898323b225c0a5ccc5f4
SHA1ef333f79c99d1ea871bfa2d25492f205643f589b
SHA25636052b2e4d58145d7ea60045bdd5afc10dc168eb9451ef2029511cd929b68944
SHA51249637dd7084ae38654d876b000590aca768a4098a159b9b0196580c91494fb534c4e07478740611814288e7a7bd5bdff62691ebc43efd76d8928fc7225cbe763
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memory/304-54-0x0000000075311000-0x0000000075313000-memory.dmpFilesize
8KB
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memory/304-55-0x0000000074390000-0x000000007493B000-memory.dmpFilesize
5.7MB
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memory/304-61-0x0000000074390000-0x000000007493B000-memory.dmpFilesize
5.7MB
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memory/900-62-0x0000000000000000-mapping.dmp
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memory/1348-57-0x0000000000000000-mapping.dmp
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memory/1348-63-0x0000000074390000-0x000000007493B000-memory.dmpFilesize
5.7MB
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memory/1348-65-0x0000000074390000-0x000000007493B000-memory.dmpFilesize
5.7MB