Analysis
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max time kernel
140s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240903-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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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\3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56.exe"C:\Users\Admin\AppData\Local\Temp\3ffa43f5acbf5d4bd41cd7ba18a20b629dcafa309b64a96d9068dc5068b0ec56.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
Loading Replay Monitor...
Downloads
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Filesize
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
686KB
MD5b8ee976b3f1a6d42e8db820d311c882a
SHA1745e881fa54ab7a7a786b15ba6eaa5787a37f0f4
SHA2568058b624ebfd781c84a84d9306bf096d28c91a3bf1f03c3ea8dc265cee2e28d0
SHA5123371a82f922ddadf4b38693ff19d1cccb861c54cae506085fbf09d2b1cac68df8a38c8b6d534316985db69e0e0c712e5356c95db09eb8da87c75e43008d2d6ad
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
672KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
732KB