Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
03-01-2025 21:05
General
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Target
6572dffa8610730dbb03dcd705a2d0cdd694abf6ac11bac08f76be7aa9d9ec88N.exe
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Size
218KB
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MD5
95f9c9cf1b0094874cd5d59b61b01fb0
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SHA1
4b88f88353969af245c924877c607cae45a5dffb
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SHA256
6572dffa8610730dbb03dcd705a2d0cdd694abf6ac11bac08f76be7aa9d9ec88
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SHA512
d5cc947fafb2f310f3c939fbeecd31ff01608355a75d307cac4b3f8cc104db139e1928f463bba8c939b86de2ee01cf7358478526d27674d2cb0b569f285b7c35
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SSDEEP
3072:ivm4SZsQrNzPrl6rjGMjp39d4u8iqddCxMIJOb2o5DsBPjim6hwM2H6:E1SyAJp6rjn1gOObn4b6h9h
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\6572dffa8610730dbb03dcd705a2d0cdd694abf6ac11bac08f76be7aa9d9ec88N.exe"C:\Users\Admin\AppData\Local\Temp\6572dffa8610730dbb03dcd705a2d0cdd694abf6ac11bac08f76be7aa9d9ec88N.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5df86a69c30c26e61f85d4ce3ebb4e66f
SHA145605eafaaab0bee372fccf0429d317c97877468
SHA256468bb56ba9258cc6d48c1267ca70179d56397280a4c1a1c603a1545b466190e4
SHA512425643e11317d26b5a493c16411e60b01d0dcb295a0e76dbeb48375f77b8d1d5ca0dc8780c5fb7d7cb10006013472a47479c883b58905f3e14e80dd3c0746c2d
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Filesize
218KB
MD51b7369fe04d146b6ebc91ae3ecd01084
SHA1693d83b445ac00760e7add54d4a11b940b545ac5
SHA256e616ee60102bcd71b39654054cf849e6cc56a8de72074a5c430e6d1b38b278bb
SHA512e11f9b55e122f18b462e985a01c3f368015aebcf77e9804dc7ba7599c5b7f4a68a250ec7efb731664adb740a2936fed197f5511b30caf7abed42eff86b3ffd00
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.7MB
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Filesize
1.7MB
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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
672KB
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Filesize
728KB
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Filesize
1.7MB
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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
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
324KB
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Filesize
1.7MB