Analysis
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max time kernel
146s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
27/12/2024, 03:25
General
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Target
db9f92f2fe202270b627038eedbf64c73068ae34d22a653e81ec3f2a2840d5c2.exe
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Size
380KB
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MD5
f5ad7f5c0cdedfcc93159984b4e8b521
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SHA1
c552f04652be5e18402cbc6cd06a4b6138c52847
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SHA256
db9f92f2fe202270b627038eedbf64c73068ae34d22a653e81ec3f2a2840d5c2
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SHA512
6ebf513bf26028edb5877fd6ccb42fe983e1c6ce65406e0a6ddc0e4d873652525a205e7db7f1e0ee6e1d9cef1dabd6997b9023dcff7aa894ad8c843d413f7762
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SSDEEP
6144:EaEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiwmryP:cmWhND9yJz+b1FcMLmp2ATTSsdwmryP
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\db9f92f2fe202270b627038eedbf64c73068ae34d22a653e81ec3f2a2840d5c2.exe"C:\Users\Admin\AppData\Local\Temp\db9f92f2fe202270b627038eedbf64c73068ae34d22a653e81ec3f2a2840d5c2.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
162B
MD54f8e702cc244ec5d4de32740c0ecbd97
SHA13adb1f02d5b6054de0046e367c1d687b6cdf7aff
SHA2569e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a
SHA51221047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD58a328a60fc25b4b2ce3acba8334ac5f6
SHA15b100bda6d6f528a366f29d469926b6c65108960
SHA256daa91eef3cbd30ba1a850d1e8bad8c4a0af6f78076cf48c356dd58ec8b9a4454
SHA51239976629956bb2088dc6f0a733f818e8b059c3400c7fd01dcca5e4e3bb0593c99974dbe99936e3810f3753b528b15787cd26302d43a9dab2b40bd24b55418ced
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Filesize
380KB
MD50c4c90927079aca91fa3f119ad452ea5
SHA17d52833f202a7a1aebed1e60e8252b656d7bd497
SHA256d5f7fe3ac49ef6089271330b17b2877682d688baa8a7d82b5f3dfb43a284aefe
SHA5124f2977be26522eee68a4a2c3461bc42e399b20e14d7c0de4513d4c24b64f5c29bcdc1d7175968a26d6d6569df417c86c9bf7dd7f3d4fee83c73d9987d7d28eab
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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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Filesize
428KB