Analysis
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max time kernel
117s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
30-11-2024 07:16
General
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Target
f963dc378458893121b4736b1aef73df63d0429ee17497f7823c630495714f73N.exe
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Size
355KB
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MD5
528fa5a8dd47c7f59840097268ef3d00
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SHA1
23623073da4d570153fcfa4ad3e1595d78a4b805
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SHA256
f963dc378458893121b4736b1aef73df63d0429ee17497f7823c630495714f73
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SHA512
e600ab723f6d97c9b473be2c5042f755c84c56383609c762126dc96ea9ddabcf68f3bec383465788a953768cf283d9fb230c93d9df85b17ca8399dd7db312389
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SSDEEP
6144:h3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:mmWhND9yJz+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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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\f963dc378458893121b4736b1aef73df63d0429ee17497f7823c630495714f73N.exe"C:\Users\Admin\AppData\Local\Temp\f963dc378458893121b4736b1aef73df63d0429ee17497f7823c630495714f73N.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
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Downloads
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Filesize
355KB
MD5f605b8824f4755267174640730d014c2
SHA1c9ecd7ddd051c9302528a29a0cb223f033355635
SHA256fb523e7ed545aba47625e87001015f93a91d6b9b8a8b70172eaad1c090c7b697
SHA5123f8c6cbe7eb06780f76629753bd136a2d0860385eb84b842e9d667a7babec481dea2c54bcce140158a05df59c43356219d1dda74ebe6dd1fa992eeeea38124f7
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Filesize
672KB
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728KB
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380KB