Analysis
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max time kernel
135s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-01-2025 00:18
General
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Target
3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56.exe
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Size
686KB
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MD5
a0d856e53b15537e64dc67239f202230
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SHA1
8645b18e9e472a28dd2ead23decc41598e25cf1b
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SHA256
3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56
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SHA512
f120964871d5002a898e7eee7a804b89b8c53b1c76282322c0daffcf16312fe8dd7145f95951a4c6d40374290b51407a2d51153b5a83d152bde3b4044be013ca
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SSDEEP
12288:WmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpH:WmUNJyJqb1FcMap2ATT5itjCYZ3DSoH
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56.exe"C:\Users\Admin\AppData\Local\Temp\3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56.exe"1⤵
- 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
Loading Replay Monitor...
Downloads
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
686KB
MD57f6fb8aee3a3d1a3a4026982da43e20f
SHA178fd2da9d363587870ae6bb50ff924a8b297d309
SHA256a29142a1bc01cd19b4a2385c62a6835b4dcd5a0cf7ea9947d9cd6f8a4958ea89
SHA51229293772d09b36fe7e53f1050ef7e6e0c8b21b899a84b3b96293526f42c0ca45e58db0ffef2a3d25445a7671618a6e7f46edb1212063589ee60bc952dedb2583
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Filesize
672KB
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728KB
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