Analysis
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max time kernel
111s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31/12/2024, 09:08
General
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Target
3df2c33b0409f69200e6e14f84bac6341b13d815d1dd1ad682347690df1a7491.exe
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Size
202KB
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MD5
87f050e93a8b519fccde9e89525ee260
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SHA1
c96edc9fa350e39d2c561d15eed92bd702fa8ea5
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SHA256
3df2c33b0409f69200e6e14f84bac6341b13d815d1dd1ad682347690df1a7491
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SHA512
cb4d047038fc9e5939af938c619f29fdf34848a25afc7d3dc1f50c876ff331b1438fece326e152fad8524c60b3bf829a34a3dd2a287307ac5b62b82417eb23a0
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SSDEEP
3072:H8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2PcU:cnw9lEs3hhyaubQTkhbrBVL8gbmT2PcU
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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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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3df2c33b0409f69200e6e14f84bac6341b13d815d1dd1ad682347690df1a7491.exe"C:\Users\Admin\AppData\Local\Temp\3df2c33b0409f69200e6e14f84bac6341b13d815d1dd1ad682347690df1a7491.exe"1⤵
- 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
MD5bb94c731aa7055db9bc67a1da55c2f18
SHA16aac40ce15c88178c0d928b99c15ea23bce2dcda
SHA2569f3e6f09b726f542d0f4a4756aa303390f4d3c9f485eaef62618ed45ed817d15
SHA5122fd4a30a84156b6700dfe7aaf17114831cee880503e2c4c5450e0921848c55d6bffe3a0a84995036947f93fcf095c2fc7b07b19ca6804532c90696a6e68769c5
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Filesize
42KB
MD5ff59242f98200ceeff047984583cf8e1
SHA19108c0f4b1612c6052cbb959b6bc7fa1d0f4d494
SHA256226df38a8580e740c932628479b145acbdd3e6e53300b4512c5891fada9c3607
SHA51252bd18eba766eaf5c17b992f428ab125dbbe885db30da15d15ace07844cd79da3f669c5c69f1418cc7dfc2c02c63a9c42bf109ea8e92f767a4184644970ef983
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Filesize
61KB
MD56ecb978392ddff873e537da2319e4832
SHA17449aabbc330d0bef7e2bb7649a21a2a8da5a400
SHA256c071099b8d140de3b8d4dc9c7a15fdddb1cc28b0406f474db524221c14ee9cac
SHA5124853e32fc26f3d61aa982ea9158f35f1c8bc2a474e54d54229681ce95fcf55cad2782968b201f8d64e6f8cdad9527e7e200d9fdc87f7c4bfaca0b46305bb041b
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Filesize
202KB
MD5fd94b121a79ea0ead40646b13bd440c9
SHA127810771216d624cfbafd89ffee9e4f3be7cbac3
SHA25631703151688341162941626550989c2f7229936ae4323e82f8824665fb8b89a1
SHA512ec845a831c079d495298d96aadc9841a52a2a7baf49aec1329804d6d8cc0db1d8adb7e0b800ccaf3946f859bd7bdac1dce72af4a8749774937830fdf743213ab
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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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
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
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
672KB
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Filesize
380KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB