Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-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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Loads dropped DLL 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 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a84c8b4466d710941d7c40b3bef106d2cddcb868f11de10be79d4343f635b617N.exe"C:\Users\Admin\AppData\Local\Temp\a84c8b4466d710941d7c40b3bef106d2cddcb868f11de10be79d4343f635b617N.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
42KB
MD5ffdbe41fb4ab33ebd869c24783a3d451
SHA114721a31aa4c57a724d08dc558a9ebf63c136c35
SHA2567df94b489bbffa4e41873da62c63e318fa0cc5e1d03a99f032c1d896b0707b13
SHA512deb7a1d410654d5e18574f202c7213369b2e1f21e127e76069bed905fe123d795860842cbb427567c00d2b2b4c22696ad092491070c62179bd26fcb5e01881a9
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Filesize
1KB
MD5babc45f57e60827560089c0b7a215abf
SHA1e663e69aad03c3885e4d7e1b63a674b1b0da561b
SHA256bc89ca88d55e8ce7bde37a792df1b09883ec9b07837f1443df526151cedd5521
SHA512e1370316a8d6731b17c54d012101cf19b7f365ac3ba87b29c54a255a892140861479e2339bbe5eb68593140ad851fbfb9a85ac811b7b021eebd19276e130127b
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
208KB
MD5be07d9eab9bf7447f11851eb46db0651
SHA1931d1e02db102c391aa7497c5ae81148a94b5bc0
SHA2560b069f63505d88a15fdbe59edb783aad0745d9cd7c72b8ebf948248a44a02951
SHA512cdf1f2e5144deced193505a36f352fdab35f8b5baf9a2cefee8ae4c7a3ecfcc9f3c93394c512c024249f730fd201f9868b4a82b24a07fd5aa229ed2fcbb50953
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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
672KB
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Filesize
672KB
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Filesize
412KB
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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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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB