Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:15
Behavioral task
behavioral1
Sample
99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe
Resource
win10v2004-20220414-en
General
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Target
99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe
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Size
31KB
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MD5
c4052a8ed716a003f35f143aec75c6da
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SHA1
6f4c095feb4a7a907cde2c31257307e05a57ea6c
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SHA256
99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3
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SHA512
70442826d00a7b5fb51efde31efa5d593b452f1e9f670dc0944930388662b7dd63ad3a9d6cbfa56c812653bd7915d4c70c2a5425c452ad64cb9ddacaeaa0cb66
Malware Config
Extracted
njrat
0.7d
MyBotfrfr
82.146.50.128:2302
77f1fad6f247f8bcb2ee2a1b640c0a71
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reg_key
77f1fad6f247f8bcb2ee2a1b640c0a71
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splitter
Y262SUCZ4UJJ
Signatures
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Executes dropped EXE 1 IoCs
Processes:
govno.exepid process 4752 govno.exe -
Modifies Windows Firewall 1 TTPs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation 99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe -
Drops startup file 2 IoCs
Processes:
govno.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\77f1fad6f247f8bcb2ee2a1b640c0a71.exe govno.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\77f1fad6f247f8bcb2ee2a1b640c0a71.exe govno.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
govno.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\77f1fad6f247f8bcb2ee2a1b640c0a71 = "\"C:\\Users\\Admin\\AppData\\Roaming\\govno.exe\" .." govno.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\77f1fad6f247f8bcb2ee2a1b640c0a71 = "\"C:\\Users\\Admin\\AppData\\Roaming\\govno.exe\" .." govno.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 33 IoCs
Processes:
govno.exedescription pid process Token: SeDebugPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe Token: 33 4752 govno.exe Token: SeIncBasePriorityPrivilege 4752 govno.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exegovno.exedescription pid process target process PID 4896 wrote to memory of 4752 4896 99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe govno.exe PID 4896 wrote to memory of 4752 4896 99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe govno.exe PID 4896 wrote to memory of 4752 4896 99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe govno.exe PID 4752 wrote to memory of 640 4752 govno.exe netsh.exe PID 4752 wrote to memory of 640 4752 govno.exe netsh.exe PID 4752 wrote to memory of 640 4752 govno.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe"C:\Users\Admin\AppData\Local\Temp\99cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\govno.exe"C:\Users\Admin\AppData\Roaming\govno.exe"2⤵
- Executes dropped EXE
- Drops startup file
- 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\Roaming\govno.exe" "govno.exe" ENABLE3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\govno.exeFilesize
31KB
MD5c4052a8ed716a003f35f143aec75c6da
SHA16f4c095feb4a7a907cde2c31257307e05a57ea6c
SHA25699cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3
SHA51270442826d00a7b5fb51efde31efa5d593b452f1e9f670dc0944930388662b7dd63ad3a9d6cbfa56c812653bd7915d4c70c2a5425c452ad64cb9ddacaeaa0cb66
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C:\Users\Admin\AppData\Roaming\govno.exeFilesize
31KB
MD5c4052a8ed716a003f35f143aec75c6da
SHA16f4c095feb4a7a907cde2c31257307e05a57ea6c
SHA25699cb8a2b010a657317a30425acab24c28dd556107366110d46f5898358c896f3
SHA51270442826d00a7b5fb51efde31efa5d593b452f1e9f670dc0944930388662b7dd63ad3a9d6cbfa56c812653bd7915d4c70c2a5425c452ad64cb9ddacaeaa0cb66
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memory/640-135-0x0000000000000000-mapping.dmp
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memory/4752-131-0x0000000000000000-mapping.dmp
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memory/4752-134-0x0000000075550000-0x0000000075B01000-memory.dmpFilesize
5.7MB
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memory/4896-130-0x0000000075550000-0x0000000075B01000-memory.dmpFilesize
5.7MB