Analysis
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max time kernel
171s -
max time network
116s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
30-11-2022 14:32
Behavioral task
behavioral1
Sample
6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe
Resource
win10v2004-20221111-en
General
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Target
6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe
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Size
37KB
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MD5
a11c07b41dceb5d7cbb10c857b0fe48c
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SHA1
fa438d9f035df2d11d0a485006c99b3939b48eb1
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SHA256
6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a
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SHA512
cdadb362cb71d638063cd47a2b2979b9a53368c15f2df63c5b53e713efb66938ee5acf325e84c933619e5ff0b6574a92b39a6568d297d8ba74b60546a47a2554
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SSDEEP
384:IJXzkit6Zf5W9cTYXyc/xDMiwzXhqn/KVFrAF+rMRTyN/0L+EcoinblneHQM3ep:yXSjjTYic/xw8/KnrM+rMRa8NuIPt
Malware Config
Extracted
njrat
im523
hacker
hacker228.ddns.net:7777
d65b7ae301f2c83d267d8f3480777d2e
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reg_key
d65b7ae301f2c83d267d8f3480777d2e
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
svchost.exepid process 676 svchost.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Drops startup file 2 IoCs
Processes:
svchost.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d65b7ae301f2c83d267d8f3480777d2e.exe svchost.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\d65b7ae301f2c83d267d8f3480777d2e.exe svchost.exe -
Loads dropped DLL 1 IoCs
Processes:
6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exepid process 868 6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
svchost.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\d65b7ae301f2c83d267d8f3480777d2e = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\d65b7ae301f2c83d267d8f3480777d2e = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." svchost.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 64 IoCs
Processes:
svchost.exepid process 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe 676 svchost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
svchost.exepid process 676 svchost.exe -
Suspicious use of AdjustPrivilegeToken 17 IoCs
Processes:
svchost.exedescription pid process Token: SeDebugPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe Token: 33 676 svchost.exe Token: SeIncBasePriorityPrivilege 676 svchost.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exesvchost.exedescription pid process target process PID 868 wrote to memory of 676 868 6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe svchost.exe PID 868 wrote to memory of 676 868 6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe svchost.exe PID 868 wrote to memory of 676 868 6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe svchost.exe PID 868 wrote to memory of 676 868 6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe svchost.exe PID 676 wrote to memory of 1804 676 svchost.exe netsh.exe PID 676 wrote to memory of 1804 676 svchost.exe netsh.exe PID 676 wrote to memory of 1804 676 svchost.exe netsh.exe PID 676 wrote to memory of 1804 676 svchost.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe"C:\Users\Admin\AppData\Local\Temp\6239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\svchost.exe"C:\Users\Admin\AppData\Roaming\svchost.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.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\Roaming\svchost.exeFilesize
37KB
MD5a11c07b41dceb5d7cbb10c857b0fe48c
SHA1fa438d9f035df2d11d0a485006c99b3939b48eb1
SHA2566239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a
SHA512cdadb362cb71d638063cd47a2b2979b9a53368c15f2df63c5b53e713efb66938ee5acf325e84c933619e5ff0b6574a92b39a6568d297d8ba74b60546a47a2554
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C:\Users\Admin\AppData\Roaming\svchost.exeFilesize
37KB
MD5a11c07b41dceb5d7cbb10c857b0fe48c
SHA1fa438d9f035df2d11d0a485006c99b3939b48eb1
SHA2566239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a
SHA512cdadb362cb71d638063cd47a2b2979b9a53368c15f2df63c5b53e713efb66938ee5acf325e84c933619e5ff0b6574a92b39a6568d297d8ba74b60546a47a2554
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\Users\Admin\AppData\Roaming\svchost.exeFilesize
37KB
MD5a11c07b41dceb5d7cbb10c857b0fe48c
SHA1fa438d9f035df2d11d0a485006c99b3939b48eb1
SHA2566239834a0e304149f87467947df4575fc775733d81caa5fe048d9f99d8db298a
SHA512cdadb362cb71d638063cd47a2b2979b9a53368c15f2df63c5b53e713efb66938ee5acf325e84c933619e5ff0b6574a92b39a6568d297d8ba74b60546a47a2554
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memory/676-58-0x0000000000000000-mapping.dmp
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memory/676-62-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB
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memory/676-65-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB
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memory/868-54-0x00000000753D1000-0x00000000753D3000-memory.dmpFilesize
8KB
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memory/868-55-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB
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memory/868-56-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB
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memory/868-63-0x00000000746D0000-0x0000000074C7B000-memory.dmpFilesize
5.7MB
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memory/1804-64-0x0000000000000000-mapping.dmp