Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
17/02/2025, 05:03
General
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Target
b40f986012577d6375de12a0eceb69292c455b4ca8706f161e96e7edd1e6090e.exe
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Size
686KB
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MD5
4e4f7eeee0f4c32360cac9e25c144b12
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SHA1
b09e055538189f30165c99cfa7318cbce59dd134
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SHA256
b40f986012577d6375de12a0eceb69292c455b4ca8706f161e96e7edd1e6090e
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SHA512
50be96b815a4c28e6cf22efa64a3edb5865329ec9cd546a369491da7bcaaffafce37d1d3d3f38117d5b79cc3ae48c385644cebbfb124a7326b593dd17a1a07ab
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SSDEEP
12288:RmWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgp:RmUNJyJqb1FcMap2ATT5itjCYZ3DSo
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\b40f986012577d6375de12a0eceb69292c455b4ca8706f161e96e7edd1e6090e.exe"C:\Users\Admin\AppData\Local\Temp\b40f986012577d6375de12a0eceb69292c455b4ca8706f161e96e7edd1e6090e.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
MD55ded93be6dc13123799e2ac71841c07a
SHA1fa3e755dd69be57e881a2b2b630cbb5f416787f4
SHA2561e85817e418e7cc4cb607bb3c9a9110161eaeb924953613dc5026294e3ad60f2
SHA5122b61a11947ffcbaae9f626584fe09afccc655200c9bbc9d2466dcbf5398d6bc1c839f3b95e26c6f15f5ab68e9b429d6edb7173b681220a1d78f3adc69fe0d76a
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Filesize
24KB
MD58cf23629067fc28902d950ce17b4320a
SHA1e41ea9fdf84c87e05702f3d825fbe1df9914e749
SHA2568bb8dd082a4c50027ae43f96bc83a25112336d2d914420ad034be1138dad160e
SHA5127372cce94c7b76a598723d408e937a69bc160cf161bdadf74684bb37d3038ce21c76e2e743746249b0331cbe81ce205c848d101cbf6f52764e79ecd91001b654
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
686KB
MD5942e3972742e0c1a51eb142efe7deed7
SHA1a069808e9cb5dfa4bc9f62067b98ca6bbba6dfe4
SHA256a5e0a2b615ca1c7065e68d0d97fba0efe9886d634a3c73d85594f3aab789408e
SHA512a24ca4df6f84045f0d0ee38446661c16aaeb850c9a3a033e6d01887031e31312b44ece64e142374277a7e3d1292db461eb38537c6ddbac01165071c474f1efcf
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Filesize
732KB
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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
672KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB