Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
31-12-2024 05:26
General
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Target
6f4ba01309eb64770df8587f76332dabf5aa52f5f19ed5b43919005c4829a540N.exe
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Size
355KB
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MD5
e49a1d6bba979eeda8f92bf11f624eb0
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SHA1
7f0cd16a4f5cc5482c6bfd433c84fba365acb85e
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SHA256
6f4ba01309eb64770df8587f76332dabf5aa52f5f19ed5b43919005c4829a540
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SHA512
47250787a0fba8c1fd6820e0151cc867a2b328f9db59b95828f930d99cc2b1451f9d25fc490eb01bf94067c604e51368ae533c65f58d85031fd5a7e435965cab
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SSDEEP
6144:Y3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:jmWhND9yJz+b1FcMLmp2ATTSsdS
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\6f4ba01309eb64770df8587f76332dabf5aa52f5f19ed5b43919005c4829a540N.exe"C:\Users\Admin\AppData\Local\Temp\6f4ba01309eb64770df8587f76332dabf5aa52f5f19ed5b43919005c4829a540N.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
355KB
MD540de3eef1f3e920e28fd048f57276476
SHA1764e4d339863aa5b453090591c32a346631f5dfe
SHA256faa9298597a974953b7e1b5463ec7d906c4bd5ce1f1cefb4cc062774bb62488c
SHA5125809546d7eae269e5b7e81d9122dedf1ac8b9157b0278b5f97481d81aa8dc1bccd0233754f0fa186099043935546d2a8a0c472b8afa5ea9e091069f65115385a
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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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Filesize
380KB