Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-01-2025 15:10
General
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Target
7434f290945801f3fd369575e73eefb7565663e3f2b93ba98bc0f0b9fe414f95N.exe
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Size
218KB
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MD5
54388b35c852894bd1a045922d617940
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SHA1
6770195c78306c0a1d958aa4bd90c9a61b33e27e
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SHA256
7434f290945801f3fd369575e73eefb7565663e3f2b93ba98bc0f0b9fe414f95
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SHA512
0fa438c06929d7bea8602f0b42357b7e6ee79bd28c3ea86fdf38b563d15ab8931b6123fbf45ce9e0e3a395cefb7da9bea804932999bf58d29f5d47d207e5ce04
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SSDEEP
6144:xEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:xEGDdQNHEwWlMxYG/wI
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\7434f290945801f3fd369575e73eefb7565663e3f2b93ba98bc0f0b9fe414f95N.exe"C:\Users\Admin\AppData\Local\Temp\7434f290945801f3fd369575e73eefb7565663e3f2b93ba98bc0f0b9fe414f95N.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
100KB
MD55663b415503732b9234b41b7ccee89dd
SHA1cb5e2d0af9dd5423c8c87ef83a65ae93c64215b2
SHA256db4cb8e3ae7a167c0b2c30eae62bcaedb1995208401dcf92fceb7710948eadd5
SHA512b1f4191044d26f762c5fa698cada58f40f80566646d8510743ce76196de796116b753ea8765c1812b4d6f9652715ba1a8fa9a95e5e75c312831a19110a3da19f
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Filesize
100KB
MD5e212a6b5b77187247fc763095f9a085d
SHA14678300c081e70a8a0549c790873c7aa4f701d7a
SHA25631c7e88004c6bc7ee64645cc7afc1cddf0ca94737c75b7946ca8f0b5a312b5a9
SHA512757726932643680364a8b8b5d197a7e0d69bbe43e0886fa89c43c05d1110e942b3c52800059a25c48e7f87262d470f448b104b6ad317f658564c4fcf537412f8
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
218KB
MD5e7fccefea893f99a7272ee957bc49b31
SHA12c773c4ed99c03e4ac32ba9f3b5b84f014c810ef
SHA25680b4a86a7903fb2c60f4a53bc51444d61b549595279a7b781966c5f8d7e229d6
SHA5120aaad77b32feded569527b791df4a52be249b736dbb925035f3317661eb09a2a7961e7b105896500fd46153646041a8b948a35d22301639d66d0bff2ccde7574
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Filesize
728KB
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Filesize
672KB
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Filesize
2.8MB
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Filesize
2.8MB
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Filesize
728KB
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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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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
2.8MB
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Filesize
728KB
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Filesize
2.8MB
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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
-
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
324KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
324KB