Analysis
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max time kernel
116s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
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submitted
29/10/2024, 11:11
General
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Target
b5f126c6d79d2d7a1675ceb2a3dd651d85b18150c05c0600d726bb7ee488767fN.exe
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Size
204KB
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MD5
ad9f322c676d8b6be839c949028dbe00
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SHA1
4f3ac17826b186fdddfd8d7a00ac3fd6f26a132d
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SHA256
b5f126c6d79d2d7a1675ceb2a3dd651d85b18150c05c0600d726bb7ee488767f
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SHA512
be2cdb985c376d49352224d9b27b5d7cfc9a92b55dc2645955c920b742794399912a4899562f18abad4a95d01126870c31d1fc3c1252ea2e4a8e1b5a597d1f97
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SSDEEP
3072:D5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:DLexkuRaX41xoyJV65gzyZko+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\b5f126c6d79d2d7a1675ceb2a3dd651d85b18150c05c0600d726bb7ee488767fN.exe"C:\Users\Admin\AppData\Local\Temp\b5f126c6d79d2d7a1675ceb2a3dd651d85b18150c05c0600d726bb7ee488767fN.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
204KB
MD510df5a5e5b84ac5957a70435d6ce131b
SHA1f4b1c6863f73173be3b984765f183d304dfce503
SHA256e6908a4f7b94f59a2a14f0fcdb068139929c38a0238e774f51818790e840b4b9
SHA512339c82fb790772de58ce5522464a31003ced21a37b4c5f78daa7a83fff2a2452ea1fbe34151f03f9c91bd0339d423ebe8f986cff81d9509e6c68194dc398c88d
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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
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
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
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
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
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
1.5MB
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Filesize
324KB
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Filesize
1.5MB