Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
04-01-2025 05:03
General
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Target
a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9faN.exe
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Size
204KB
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MD5
538662476b7867b08d21bff8bbb50610
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SHA1
6f028211cd8d78def1caeec310db45d1fe8a1160
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SHA256
a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9fa
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SHA512
27651a21b818ede3662bc6a329448c17c921bac4a0123222120882c5abbe70a995c88e504da08ff7d2ebd9b7945501ade1ed8a7bdf7b30d0334022553a1aced9
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SSDEEP
3072:y5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:yLexkuRaX41xoyJV65gzyZko+uc
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\a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9faN.exe"C:\Users\Admin\AppData\Local\Temp\a91486027fa163bed6a7d2174f229c9a3323cc55ed0e4d7c6233be45eb15e9faN.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
42KB
MD5bb45b52b587ea621fd0e7a68d5291768
SHA11b055038dda0fdac1ada3b2a25e8698aa2790d6c
SHA256ba6a3ef2027b9e20f63fd5be58fb35d42aa6cb0bd51e0529f352cf5862108e96
SHA512aa6227727af14bda6db74c36cd1bfe66756bdc081ff0363364f368e3b91431c70b1c74ca62776488d36d6d0318e7186d5a63aa7e6487aeb32905daf96092ff4d
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Filesize
204KB
MD5dbbc740a1c6ed3f1d390b438cb77e8e6
SHA12ef8d12c51e709c073355211b91651fe0049a15b
SHA2569d01671eed4bea33713cd32f5f2e6ce79fab585a74b1518328434057fd33d1df
SHA5127d5bc2d6772047ece7044e81d44d06ca79d57e9fd981a69946a426add89723ce6a3e2b356b768b22a99ddf093a5153fcb35c2147ff620b5793482ba74075c205
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.5MB
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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
1.5MB
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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
1.5MB
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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
1.5MB
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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