Analysis
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max time kernel
155s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2022 16:41
Behavioral task
behavioral1
Sample
568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe
Resource
win10v2004-20220812-en
General
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Target
568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe
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Size
54KB
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MD5
828c84060984c00605ac9c89d83dff71
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SHA1
eee2dfa35ef74d9d27dfd2bc7d0d45f5f5e85c1a
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SHA256
568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4
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SHA512
2caa482833ef4fc50217d6276fd52aebd6d102a3410fc3c41280e170ca38e87258761f710ab34a2114373506fb1751a9c501ad404e89405d01794fdef7a72d4e
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SSDEEP
768:Pn2MHF3lFdS7kxStmaiTrM+rMRa8NugPtQvViHqcCr:PnpF3lPS4xStEs+gRJNX0Dxr
Malware Config
Extracted
njrat
im523
Ratatouille
nndmb-42891.portmap.host:42891
cd82c2cc4ef9f6cee6f8aa9412365ea4
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reg_key
cd82c2cc4ef9f6cee6f8aa9412365ea4
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
Themer.exepid process 4788 Themer.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe -
Drops startup file 2 IoCs
Processes:
Themer.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd82c2cc4ef9f6cee6f8aa9412365ea4.exe Themer.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd82c2cc4ef9f6cee6f8aa9412365ea4.exe Themer.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Themer.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cd82c2cc4ef9f6cee6f8aa9412365ea4 = "\"C:\\Windows\\Themer.exe\" .." Themer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cd82c2cc4ef9f6cee6f8aa9412365ea4 = "\"C:\\Windows\\Themer.exe\" .." Themer.exe -
Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
Themer.exedescription ioc process File created C:\autorun.inf Themer.exe File opened for modification C:\autorun.inf Themer.exe File created D:\autorun.inf Themer.exe -
Drops file in Windows directory 3 IoCs
Processes:
568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exeThemer.exedescription ioc process File created C:\Windows\Themer.exe 568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe File opened for modification C:\Windows\Themer.exe 568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe File opened for modification C:\Windows\Themer.exe Themer.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:
Themer.exepid process 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe 4788 Themer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Themer.exepid process 4788 Themer.exe -
Suspicious use of AdjustPrivilegeToken 31 IoCs
Processes:
Themer.exedescription pid process Token: SeDebugPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe Token: 33 4788 Themer.exe Token: SeIncBasePriorityPrivilege 4788 Themer.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exeThemer.exedescription pid process target process PID 2868 wrote to memory of 4788 2868 568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe Themer.exe PID 2868 wrote to memory of 4788 2868 568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe Themer.exe PID 2868 wrote to memory of 4788 2868 568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe Themer.exe PID 4788 wrote to memory of 1240 4788 Themer.exe netsh.exe PID 4788 wrote to memory of 1240 4788 Themer.exe netsh.exe PID 4788 wrote to memory of 1240 4788 Themer.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe"C:\Users\Admin\AppData\Local\Temp\568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2868 -
C:\Windows\Themer.exe"C:\Windows\Themer.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Drops autorun.inf file
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\Themer.exe" "Themer.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:1240
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
54KB
MD5828c84060984c00605ac9c89d83dff71
SHA1eee2dfa35ef74d9d27dfd2bc7d0d45f5f5e85c1a
SHA256568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4
SHA5122caa482833ef4fc50217d6276fd52aebd6d102a3410fc3c41280e170ca38e87258761f710ab34a2114373506fb1751a9c501ad404e89405d01794fdef7a72d4e
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Filesize
54KB
MD5828c84060984c00605ac9c89d83dff71
SHA1eee2dfa35ef74d9d27dfd2bc7d0d45f5f5e85c1a
SHA256568097c7465680d1fcede9788b1226266b28f86522cc8630d1f7bedb2c84f8f4
SHA5122caa482833ef4fc50217d6276fd52aebd6d102a3410fc3c41280e170ca38e87258761f710ab34a2114373506fb1751a9c501ad404e89405d01794fdef7a72d4e