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
13-01-2025 10:58
General
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Target
481329b3fcf654dc9153e8148c76742d010e10204ad051e3544891085a9fdf31N.exe
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Size
355KB
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MD5
c1d0062bd4636e79d499f9a867eba560
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SHA1
294706c42ae8eed59bb17f9f7b4e3b2d47759aa0
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SHA256
481329b3fcf654dc9153e8148c76742d010e10204ad051e3544891085a9fdf31
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SHA512
6048ee2829a795f9cb9838cd0c226950dd8352fb6e19d09d4d749a791c2224a5249a8b6776bd5bf7d81c8c43c8bb82f8ea69638a9045abe1f687b24651d65092
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SSDEEP
6144:s3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:nmWhND9yJz+b1FcMLmp2ATTSsdS
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\481329b3fcf654dc9153e8148c76742d010e10204ad051e3544891085a9fdf31N.exe"C:\Users\Admin\AppData\Local\Temp\481329b3fcf654dc9153e8148c76742d010e10204ad051e3544891085a9fdf31N.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
355KB
MD525586a6507d7cf94dac1dbe33b3249c7
SHA1df0842a3770a5feaa7545a8e9ce75558d9ddc96a
SHA256ab0574e3cc19c6b97fd2a57ebc1b45e3f79af188f2e7a94887dab1c682e0fd4b
SHA512b27db2bfebf5e3aa439e3d1687141497b5232888f01b617150155f7287eeba8293408d8edd4a32152744ea9a31fdba3df8dbdc834f942ac90fffec871f2017e0
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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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Filesize
380KB