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Analysis
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max time kernel
47s -
max time network
52s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 21:24
Static task
static1
Behavioral task
behavioral1
Sample
8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe
Resource
win10v2004-20220812-en
General
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Target
8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe
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Size
276KB
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MD5
912d802e210eb92575f5b15d9a99c36c
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SHA1
772eaed99ce1b61b960f6febf01649e20da4b97c
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SHA256
8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4
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SHA512
42876f82029c65fe0e443d7431500762c5c30e8c0c2a8cd2dd9d8ff8fff25ad3eb03ad1de83463b506d1a5d3971a7469fa3e0464c8f78734338a2be44c1eb446
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SSDEEP
1536:C1cu8WexAS6XmKvhIMfoJUhSU6nPlTggJ2oj71BgR/Vp8dY1J7iS9KcNjkhWh1Hl:CrZ3lhzslTZJ9j7Heb8C1JCcFrhx+K
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\eventvwr.msc mmc.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 34 IoCs
description pid Process Token: SeSecurityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: 33 936 mmc.exe Token: SeIncBasePriorityPrivilege 936 mmc.exe Token: SeSecurityPrivilege 936 mmc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1208 mmc.exe 936 mmc.exe 936 mmc.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1380 wrote to memory of 1208 1380 8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe 27 PID 1380 wrote to memory of 1208 1380 8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe 27 PID 1380 wrote to memory of 1208 1380 8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe 27 PID 1380 wrote to memory of 1208 1380 8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe 27 PID 1208 wrote to memory of 936 1208 mmc.exe 28 PID 1208 wrote to memory of 936 1208 mmc.exe 28 PID 1208 wrote to memory of 936 1208 mmc.exe 28 PID 1208 wrote to memory of 936 1208 mmc.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe"C:\Users\Admin\AppData\Local\Temp\8ea0104200c54d3b95cb9b0ba02c591f6a9715a15965f687a132c05f763274f4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1380 -
C:\Windows\SysWOW64\mmc.exe"C:\Windows\system32\mmc.exe" "C:\Windows\system32\eventvwr.msc"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1208 -
C:\Windows\system32\mmc.exe"C:\Windows\system32\eventvwr.msc" "C:\Windows\system32\eventvwr.msc"3⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:936
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