Analysis
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max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
10-08-2022 11:22
Behavioral task
behavioral1
Sample
1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe
Resource
win10v2004-20220721-en
General
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Target
1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe
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Size
56KB
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MD5
0e5e5f527c0ef084e3e381445f37056f
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SHA1
1aa6ae381ae100bccc9de5ef875ca603c128aa48
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SHA256
3e4960b191ea98d8960024a200e6bb7b2d85b3adcba93b0a93bb127ebbc5a06a
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SHA512
b19748b3606270427cd97320cfd7bf026b8c7cfd10134f156405f25a0bb78f2b3b41efefd65c42a64faf1a9490705c2b6f34953b0818607e5861cba80dde1596
Malware Config
Extracted
njrat
0.6.4
HacKed
easralahtane.ddns.net:1177
78c3f41e66e57697cb0f063c5b808ae6
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reg_key
78c3f41e66e57697cb0f063c5b808ae6
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splitter
|'|'|
Signatures
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Executes dropped EXE 1 IoCs
Processes:
CCleaner.exepid process 456 CCleaner.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:
1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation 1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
CCleaner.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\78c3f41e66e57697cb0f063c5b808ae6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\CCleaner.exe\" .." CCleaner.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\78c3f41e66e57697cb0f063c5b808ae6 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\CCleaner.exe\" .." CCleaner.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 45 IoCs
Processes:
CCleaner.exepid process 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe 456 CCleaner.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
CCleaner.exedescription pid process Token: SeDebugPrivilege 456 CCleaner.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exeCCleaner.exedescription pid process target process PID 4460 wrote to memory of 456 4460 1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe CCleaner.exe PID 4460 wrote to memory of 456 4460 1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe CCleaner.exe PID 4460 wrote to memory of 456 4460 1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe CCleaner.exe PID 456 wrote to memory of 1312 456 CCleaner.exe netsh.exe PID 456 wrote to memory of 1312 456 CCleaner.exe netsh.exe PID 456 wrote to memory of 1312 456 CCleaner.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe"C:\Users\Admin\AppData\Local\Temp\1432-57-0x0000000001D80000-0x0000000001D8E000-memory.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\CCleaner.exe"C:\Users\Admin\AppData\Local\Temp\CCleaner.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\CCleaner.exe" "CCleaner.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\CCleaner.exeFilesize
56KB
MD50e5e5f527c0ef084e3e381445f37056f
SHA11aa6ae381ae100bccc9de5ef875ca603c128aa48
SHA2563e4960b191ea98d8960024a200e6bb7b2d85b3adcba93b0a93bb127ebbc5a06a
SHA512b19748b3606270427cd97320cfd7bf026b8c7cfd10134f156405f25a0bb78f2b3b41efefd65c42a64faf1a9490705c2b6f34953b0818607e5861cba80dde1596
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C:\Users\Admin\AppData\Local\Temp\CCleaner.exeFilesize
56KB
MD50e5e5f527c0ef084e3e381445f37056f
SHA11aa6ae381ae100bccc9de5ef875ca603c128aa48
SHA2563e4960b191ea98d8960024a200e6bb7b2d85b3adcba93b0a93bb127ebbc5a06a
SHA512b19748b3606270427cd97320cfd7bf026b8c7cfd10134f156405f25a0bb78f2b3b41efefd65c42a64faf1a9490705c2b6f34953b0818607e5861cba80dde1596
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memory/456-131-0x0000000000000000-mapping.dmp
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memory/456-136-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/456-137-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/1312-135-0x0000000000000000-mapping.dmp
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memory/4460-130-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB
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memory/4460-134-0x00000000752E0000-0x0000000075891000-memory.dmpFilesize
5.7MB