Analysis
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max time kernel
150s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
17-07-2023 18:14
Behavioral task
behavioral1
Sample
a2af656494b3a9_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
a2af656494b3a9_JC.exe
Resource
win10v2004-20230703-en
General
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Target
a2af656494b3a9_JC.exe
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Size
90KB
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MD5
a2af656494b3a9ecedb05c96cd726d93
-
SHA1
fe584d057ce2be9e63c82606489393812f5b26b1
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SHA256
2c63df5afb8086e6ee226ce7db8370e576343c93ce18a5741191ddc8e6e7c261
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SHA512
e876930c9818deef52220ed178f0070ccf6712aa2c5e4a25f63bbf8f8adfaf34cf2b8f9f22b28b7b5ee66b42a02dee192e6017894e8c5ac73389e9eb6355e736
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjzty:zCsanOtEvwDpjN
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2668 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 2604 a2af656494b3a9_JC.exe -
resource yara_rule behavioral1/memory/2604-54-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x0008000000012029-65.dat upx behavioral1/files/0x0008000000012029-70.dat upx behavioral1/memory/2604-68-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2668-71-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/files/0x0008000000012029-79.dat upx behavioral1/memory/2668-80-0x0000000000500000-0x0000000000510000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2604 wrote to memory of 2668 2604 a2af656494b3a9_JC.exe 28 PID 2604 wrote to memory of 2668 2604 a2af656494b3a9_JC.exe 28 PID 2604 wrote to memory of 2668 2604 a2af656494b3a9_JC.exe 28 PID 2604 wrote to memory of 2668 2604 a2af656494b3a9_JC.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\a2af656494b3a9_JC.exe"C:\Users\Admin\AppData\Local\Temp\a2af656494b3a9_JC.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
PID:2668
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
90KB
MD52396564a5854441f61e76f163d24415d
SHA16734dd617008b67bb80734fb904534bf4a2a94ab
SHA25675372bb59a9dce1b914fc10587cbf221c35149ccb44b6d8cd4a520dc4a5c9e3c
SHA5128b22ac2ee7f73c5a82ba8e2d0ef9f090ad53b8dfaed9bc4846ddada3b4467b3118390348ff7fc85353e531533da9218bcbc17dcf2b8539fa7872143386d9a4f2
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Filesize
90KB
MD52396564a5854441f61e76f163d24415d
SHA16734dd617008b67bb80734fb904534bf4a2a94ab
SHA25675372bb59a9dce1b914fc10587cbf221c35149ccb44b6d8cd4a520dc4a5c9e3c
SHA5128b22ac2ee7f73c5a82ba8e2d0ef9f090ad53b8dfaed9bc4846ddada3b4467b3118390348ff7fc85353e531533da9218bcbc17dcf2b8539fa7872143386d9a4f2
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Filesize
90KB
MD52396564a5854441f61e76f163d24415d
SHA16734dd617008b67bb80734fb904534bf4a2a94ab
SHA25675372bb59a9dce1b914fc10587cbf221c35149ccb44b6d8cd4a520dc4a5c9e3c
SHA5128b22ac2ee7f73c5a82ba8e2d0ef9f090ad53b8dfaed9bc4846ddada3b4467b3118390348ff7fc85353e531533da9218bcbc17dcf2b8539fa7872143386d9a4f2