Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-01-2025 18:57
General
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Target
9519b974e3a4bc13efa06ff25bab44d01eb7beeab248fe59a1285458bce5ba56N.exe
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Size
355KB
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MD5
6c5803babcb3b1232ff73dcf828eeea0
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SHA1
0c13de8244652f14090b6f120bc715575e68b26f
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SHA256
9519b974e3a4bc13efa06ff25bab44d01eb7beeab248fe59a1285458bce5ba56
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SHA512
12602c64edaf99aa0d69f71ff63fd9511661959ad21267f70052db76bd2e3ad4ac452a9f054cab91eff7ba50fcedf2d006b33991d81280cb27333dc3fed30a8a
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SSDEEP
6144:F3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:qmWhND9yJz+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\9519b974e3a4bc13efa06ff25bab44d01eb7beeab248fe59a1285458bce5ba56N.exe"C:\Users\Admin\AppData\Local\Temp\9519b974e3a4bc13efa06ff25bab44d01eb7beeab248fe59a1285458bce5ba56N.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
355KB
MD56378164b391bbc97d61cf57fc93d23e5
SHA1683bce5ffaa862df8d06b98aa3452e74b4ebec8b
SHA256b91b6dab337b61f19205b125e6a17e562b43e221f4eb6e3bc3b0dd9d4cc686ce
SHA51208224f3e6238072ca66cf535cff09c431d40758853eb837b7b3a36a488e37473feadadb8b26e98f1cc263baed0f13894113beb6f2998b967e5b0553befe2553e
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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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Filesize
380KB