Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 18:19
Behavioral task
behavioral1
Sample
c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe
Resource
win10v2004-20220414-en
General
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Target
c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe
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Size
23KB
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MD5
017d58616ffe5e91e84cd5a10dc6cf5a
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SHA1
076df91663f13ad61457060661db5937d451a60c
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SHA256
c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1
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SHA512
5ae5ad9459a6a43849297569024b56dd7bb8ce4cafec1e35ed9fe70e9825cb4fc2e86bae624560039286fbb76aa7b2d2c50d0bf34a2239568d0fc4a77db47979
Malware Config
Extracted
njrat
0.7d
HacKed
bmhha.ddns.net:1604
81070cdd786421ae0d07b0841d9f8467
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reg_key
81070cdd786421ae0d07b0841d9f8467
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Explerer.exepid process 1660 Explerer.exe -
Modifies Windows Firewall 1 TTPs
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Loads dropped DLL 1 IoCs
Processes:
c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exepid process 732 c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Explerer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\81070cdd786421ae0d07b0841d9f8467 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explerer.exe\" .." Explerer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\81070cdd786421ae0d07b0841d9f8467 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Explerer.exe\" .." Explerer.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:
Explerer.exedescription pid process Token: SeDebugPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe Token: 33 1660 Explerer.exe Token: SeIncBasePriorityPrivilege 1660 Explerer.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exeExplerer.exedescription pid process target process PID 732 wrote to memory of 1660 732 c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe Explerer.exe PID 732 wrote to memory of 1660 732 c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe Explerer.exe PID 732 wrote to memory of 1660 732 c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe Explerer.exe PID 732 wrote to memory of 1660 732 c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe Explerer.exe PID 1660 wrote to memory of 1772 1660 Explerer.exe netsh.exe PID 1660 wrote to memory of 1772 1660 Explerer.exe netsh.exe PID 1660 wrote to memory of 1772 1660 Explerer.exe netsh.exe PID 1660 wrote to memory of 1772 1660 Explerer.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe"C:\Users\Admin\AppData\Local\Temp\c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Explerer.exe"C:\Users\Admin\AppData\Local\Temp\Explerer.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\Explerer.exe" "Explerer.exe" ENABLE3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\Explerer.exeFilesize
23KB
MD5017d58616ffe5e91e84cd5a10dc6cf5a
SHA1076df91663f13ad61457060661db5937d451a60c
SHA256c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1
SHA5125ae5ad9459a6a43849297569024b56dd7bb8ce4cafec1e35ed9fe70e9825cb4fc2e86bae624560039286fbb76aa7b2d2c50d0bf34a2239568d0fc4a77db47979
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C:\Users\Admin\AppData\Local\Temp\Explerer.exeFilesize
23KB
MD5017d58616ffe5e91e84cd5a10dc6cf5a
SHA1076df91663f13ad61457060661db5937d451a60c
SHA256c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1
SHA5125ae5ad9459a6a43849297569024b56dd7bb8ce4cafec1e35ed9fe70e9825cb4fc2e86bae624560039286fbb76aa7b2d2c50d0bf34a2239568d0fc4a77db47979
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\Users\Admin\AppData\Local\Temp\Explerer.exeFilesize
23KB
MD5017d58616ffe5e91e84cd5a10dc6cf5a
SHA1076df91663f13ad61457060661db5937d451a60c
SHA256c24ea2a4f56ca0eab1080f9979a3e8c57a0c8d4b7872e4eda5bb1e4f147ee7a1
SHA5125ae5ad9459a6a43849297569024b56dd7bb8ce4cafec1e35ed9fe70e9825cb4fc2e86bae624560039286fbb76aa7b2d2c50d0bf34a2239568d0fc4a77db47979
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memory/732-54-0x0000000075781000-0x0000000075783000-memory.dmpFilesize
8KB
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memory/732-55-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/1660-57-0x0000000000000000-mapping.dmp
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memory/1660-61-0x0000000074740000-0x0000000074CEB000-memory.dmpFilesize
5.7MB
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memory/1772-62-0x0000000000000000-mapping.dmp