Analysis
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max time kernel
134s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
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submitted
25-01-2025 06:04
General
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Target
c4085fd078e7c38d21f9ff84d239b0bdf3bc01ec2ab1a094f406f6987e5ad0ff.exe
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Size
686KB
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MD5
9e2a7366a1eb8fe33fffa3b08dd20c6f
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SHA1
54d7f8f09d41becfd6971c3a8fd227e3975d6afd
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SHA256
c4085fd078e7c38d21f9ff84d239b0bdf3bc01ec2ab1a094f406f6987e5ad0ff
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SHA512
eefb023c90bea2d0724c00096ec0708160daf094ba0b83aec7833fee3188fbc0534b16c0290d4aa40b59074b712a0aa731ec59013fa8c0d37776a622f5fbd4f1
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SSDEEP
12288:omWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpH:omUNJyJqb1FcMap2ATT5itjCYZ3DSoH
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\c4085fd078e7c38d21f9ff84d239b0bdf3bc01ec2ab1a094f406f6987e5ad0ff.exe"C:\Users\Admin\AppData\Local\Temp\c4085fd078e7c38d21f9ff84d239b0bdf3bc01ec2ab1a094f406f6987e5ad0ff.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
686KB
MD53cbe291d69e44c2051f4c6ec6b3ec6ca
SHA1224c7958f3c88b7031171ad498e83a588871d303
SHA2565674660bc86f60b3895397339aeddf11185826f2446308f6da98c3e412a606b5
SHA512fd601c6e747d49930e223e32165c15e4658289cf019d02eb892914b4f53b8790e0c1ffc043fffb320b922b9351104a4035081732806ea949aed19ab784355ec7
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Filesize
732KB
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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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672KB
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672KB
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728KB
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