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Analysis
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max time kernel
112s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
31/12/2024, 22:20
General
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Target
f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a.exe
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Size
355KB
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MD5
427e0c3fb6f26883ae42309e44c0c0b7
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SHA1
abbafbb4e90b3893002cf93b8f6b88a504210e62
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SHA256
f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a
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SHA512
f78b77eda0857cdcb74462bdaacabb999082360324398a62666fd0dbed3009ff71ca70de7324291577a634a13c9fb2b5437dc70c7308a692a0da7354df7ea241
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SSDEEP
6144:V3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiC:6mWhND9yJz+b1FcMLmp2ATTSsdC
Malware Config
Extracted
simda
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dga
gatyfus.com
lyvyxor.com
vojyqem.com
qetyfuv.com
puvyxil.com
gahyqah.com
lyryfyd.com
vocyzit.com
qegyqaq.com
purydyv.com
gacyzuz.com
lygymoj.com
vowydef.com
qexylup.com
pufymoq.com
gaqydeb.com
lyxylux.com
vofymik.com
qeqysag.com
puzylyp.com
gadyniw.com
lymysan.com
volykyc.com
qedynul.com
pumypog.com
galykes.com
lysynur.com
vonypom.com
qekykev.com
pupybul.com
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Simda family
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simda
Simda is an infostealer written in C++.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Modifies WinLogon 2 TTPs 2 IoCs
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Drops file in Windows directory 2 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a.exe"C:\Users\Admin\AppData\Local\Temp\f985f60c3ea1e63821104ccea42781087ef4282d16777d0013a4eb5d736a4d9a.exe"1⤵
- Loads dropped DLL
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD59f6a6c86138dd56da46de99664caba98
SHA1d6e764b766f989b2184db84e26d2998fb7219898
SHA256ff9c6ac65115b43f3ce96d46d8bb70f2b98423aecee9417388f5b1e93c9c6ed3
SHA51255dee3d395b34cc8167db0eca872cac28fcc591f45832d134de5de0274125b17213cbd925322eb281686eaf68f24c50a1f0be28c4f0523a82ac80884c21fbe32
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Filesize
355KB
MD53c06dffe67fbae9b6df4f9c93b0edbcc
SHA1b045630df9b740ee2c084fd76ff50ef413554165
SHA2565f45c19f7e1fb3903b267b6eb70e2b15aee4f357fc04143f984001d8ba0c9e2b
SHA5124e15aa9bf54ae9aa62b2fbd53cdd20e4db2cf0ae227e8eeacd0e35c6eb1b7080ea2ca96d5910911c5fc63d6f123f36cae538a832fb231dd081a7ae8caa3fedfe
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Filesize
380KB
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Filesize
672KB
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Filesize
672KB
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672KB
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672KB
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672KB
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Filesize
672KB
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Filesize
728KB
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728KB
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728KB