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Analysis
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max time kernel
123s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
19/12/2024, 01:23
General
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Target
a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477.exe
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Size
686KB
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MD5
6ccdfc62326c34cc2593ed95867c418f
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SHA1
88a8e133601f9a0b3f5ee56e18e8718d57c151d2
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SHA256
a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477
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SHA512
b8ba9baa803c36963313bba7b48c1ace9a79c5d43107d5775b71bde2966e472f0bf12c6ba2797d39fe0a75116c563bddc8b9e3d7912b1e558977c5b73f0fab28
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SSDEEP
12288:5mWhND9yJz+b1FcMLmp2ATTSsdApVHyGbs2CYPHrLpVmCbHDSgpX:5mUNJyJqb1FcMap2ATT5itjCYZ3DSoX
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\a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477.exe"C:\Users\Admin\AppData\Local\Temp\a4b36ec5a5def2a86ff298b3c367d7c3fdb4ea5e292f0c2935897ed9b6d63477.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
12KB
MD5caa300673c11a7627a7b6346e1a93b61
SHA17ecaf36f1e150c478b6cfc3446ec7f0c662c071a
SHA25642ae110a0ecd0d83c4f12314d42a585354b501856dc3c7b483123fcbc317f2aa
SHA512f11f1182d2fdc14b2c64e2221091e318f76c9a41824977c1a93bf2077300bba919ca4a01c80340c4c20d239ac6dbadf091f544891f0ec72df62a6cc11231faa6
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
42KB
MD5f720b6ddcdfc24b153994a4631222fd0
SHA104097a37a8b2f74038ff0eab0027b013aba6318f
SHA256d645593bc65b648f0822eb3c489d1abcd5663438522a6e1c632fe417506e66dd
SHA51234325646792e580ef9fae2d404d8872c149dd5a387a74f2bb7692dc2c87debfb53b3841afc7c9fafac17fff006c10fca04d0ed9c686ae2a870717b2d78ba8296
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Filesize
42KB
MD5f89f3dd16d0c4872708486d58a52156d
SHA1fb18c2964dbfd12a17f7452fa33a1a0d583595b6
SHA2560ac489595a948ff126ce06964b9c313d447395651e3fae26a192a94b621bb209
SHA512ce1293890ba16b44bf795af476ce3bc95e67b7fe659cdd68e6e4de6051ae80e7de7834924f95fad396ced2597b88ff94ff46970803ec1848ced6f70777419f8b
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Filesize
1KB
MD5d42928375f13292b59f3b1353017a133
SHA17649bd527128540162bf96a3e7d3de922eeb1ddf
SHA256df7298de8e4dff43212ad005cee01f147ae8fc18db83f17d390794b1b1488ac8
SHA5126e17455338136b4b0e360565b19c338f5bfb712607224d2aeab09df682f86bbb822fec706bcf099d4252f398464750870797914ff9059b6ad7f6888cafa6025b
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Filesize
686KB
MD52c32db39d9de8a653ee6f65cec55dbc5
SHA1250769164def7ea330648736a7ea34f5bc94998a
SHA25694c1ac8935932544215b152037f66b17d161e70dc46a6605c944f1dbec6b7099
SHA512d09501de01ceab583d1452c4dec88593c1bd7219027576f629dc6d89e56a29b7f2659edc4ab6e4604e2c8e63e8baffd5f582667b02fff5f9dd806f756ca84f18
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Filesize
732KB
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Filesize
728KB
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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
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
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
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
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