Analysis
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max time kernel
111s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
12-01-2025 18:08
General
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Target
a84c8b4466d710941d7c40b3bef106d2cddcb868f11de10be79d4343f635b617N.exe
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Size
208KB
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MD5
370f86e3fe1d3fbbeccacce023f86020
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SHA1
ebbb605884976237d52db2ffc1ebe0dd7caabd0e
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SHA256
a84c8b4466d710941d7c40b3bef106d2cddcb868f11de10be79d4343f635b617
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SHA512
c274a343ed0099a00caa271cb928d81fa7b9b9922fa9baf791a7391918edc656650cdbd82f5a1a84cf5ba0ce0a0393b8f31a3ff37e6f76b31ff7f08317d5e135
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SSDEEP
6144:ta1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkQ:tbapK0JCmRcU9vVokfr
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\a84c8b4466d710941d7c40b3bef106d2cddcb868f11de10be79d4343f635b617N.exe"C:\Users\Admin\AppData\Local\Temp\a84c8b4466d710941d7c40b3bef106d2cddcb868f11de10be79d4343f635b617N.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
208KB
MD59e719b7f4d93047a184176697ecc5b8f
SHA102afe3df5f73ef6e675830cfa051334d9ea6b3b5
SHA256779e8cc7535eae1b1fb9367671fa0b1b762682753e29e27ba67dd76b77fd6e83
SHA5123ac82b3e3d3260c474fa2ec42b2d0cf3961fa5239cda6e79eab87df03e9a069d01b8850c5b9a356988638186bc6b5a43a8d2bb362727d52afaaa1773d39836ff
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
412KB
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Filesize
412KB
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Filesize
412KB
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Filesize
672KB
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Filesize
412KB
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728KB
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