Analysis
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max time kernel
123s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31-12-2023 02:06
Behavioral task
behavioral1
Sample
23e5b562994af5fbc81c54e2f35bc4e9.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
23e5b562994af5fbc81c54e2f35bc4e9.exe
Resource
win10v2004-20231215-en
General
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Target
23e5b562994af5fbc81c54e2f35bc4e9.exe
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Size
266KB
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MD5
23e5b562994af5fbc81c54e2f35bc4e9
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SHA1
2cd05b0a72a2e25de1669757a06299056f3706b8
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SHA256
1d546f2c48b0a960796266ac1184ca9bc05bf63c191bdc082bdb948a2a7a2e18
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SHA512
174eeceb13252e36db94bef614f0453ce0e26f928359c279bf1b8ccd9cebbde630c16aceae8cebc479c2b517189d1763813c365e754df73a629350410443c869
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SSDEEP
6144:o9scFBTexcNRVaXUCVKRHnW67WlQJtbMRqPxIDYELGN+EQ:o9scbTeONRVaJ6HFWlQJtARqpIMIYI
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2772 23e5b562994af5fbc81c54e2f35bc4e9.exe -
Executes dropped EXE 1 IoCs
pid Process 2772 23e5b562994af5fbc81c54e2f35bc4e9.exe -
Loads dropped DLL 1 IoCs
pid Process 2192 23e5b562994af5fbc81c54e2f35bc4e9.exe -
resource yara_rule behavioral1/memory/2192-0-0x0000000000400000-0x0000000000486000-memory.dmp upx behavioral1/files/0x000a00000001223a-11.dat upx behavioral1/files/0x000a00000001223a-15.dat upx -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405 23e5b562994af5fbc81c54e2f35bc4e9.exe Set value (data) \REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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 23e5b562994af5fbc81c54e2f35bc4e9.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 23e5b562994af5fbc81c54e2f35bc4e9.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 23e5b562994af5fbc81c54e2f35bc4e9.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2192 23e5b562994af5fbc81c54e2f35bc4e9.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2192 23e5b562994af5fbc81c54e2f35bc4e9.exe 2772 23e5b562994af5fbc81c54e2f35bc4e9.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2192 wrote to memory of 2772 2192 23e5b562994af5fbc81c54e2f35bc4e9.exe 29 PID 2192 wrote to memory of 2772 2192 23e5b562994af5fbc81c54e2f35bc4e9.exe 29 PID 2192 wrote to memory of 2772 2192 23e5b562994af5fbc81c54e2f35bc4e9.exe 29 PID 2192 wrote to memory of 2772 2192 23e5b562994af5fbc81c54e2f35bc4e9.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\23e5b562994af5fbc81c54e2f35bc4e9.exe"C:\Users\Admin\AppData\Local\Temp\23e5b562994af5fbc81c54e2f35bc4e9.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Users\Admin\AppData\Local\Temp\23e5b562994af5fbc81c54e2f35bc4e9.exeC:\Users\Admin\AppData\Local\Temp\23e5b562994af5fbc81c54e2f35bc4e9.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:2772
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
266KB
MD5b84f4ddb4d1559b0464193795da3647f
SHA1a600af552d7eaf8bad383e3ed28fe6a95e0e05ec
SHA256072d8c1f788d17d2f3026c88719664a004435aac3dd0c4bd26c62d15f8f79a46
SHA5120e11b0c91d720c3c28383c77ae0f6767dd1d16202e3283e9baf8f3d9eeea2eabf0333a7b1f735e1e516cfee3b4367e543656f0f505346b6ff6ed73f3a0b1672f