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Analysis
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max time kernel
140s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
06/12/2024, 00:03
General
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Target
8d2f2aba069f0bf5f5d14b8cde87eb18e784835cc27964c655654274397f12b7.exe
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Size
204KB
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MD5
8b004d838166e460a063a510624118ce
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SHA1
db7ec1147cd4851d29e7088cbf2a7b341739f18d
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SHA256
8d2f2aba069f0bf5f5d14b8cde87eb18e784835cc27964c655654274397f12b7
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SHA512
cf0671604fb20775aeea714ddda4f9058b84109f405fe1f64feb2afcdd1ddd0ac51678676769ef180b23313660f9c8a7c64892da5c0ae34e172f7b1567c1ed65
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SSDEEP
3072:N5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:NLexkuRaX41xoyJV65gzyZko+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\8d2f2aba069f0bf5f5d14b8cde87eb18e784835cc27964c655654274397f12b7.exe"C:\Users\Admin\AppData\Local\Temp\8d2f2aba069f0bf5f5d14b8cde87eb18e784835cc27964c655654274397f12b7.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
MD5f94da03530ab27225fb78a022d950987
SHA18ae9f897a0a1bdb8fca0b99f1ede5068239fd29c
SHA256f70c0b4cfa5cd5ae2c1f1d9a53c1e683ab5acda6417be4de467fc81560c0786c
SHA512a88a4665185f7522813b97cbbd75fdbe883f2a8b8ee3e2193938930978713b66693ef981c0a4eef13cb99aea3bc7904c302c07245bc3dc37edf60fd1dbb20785
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
380KB
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Filesize
1.5MB
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1.5MB
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1.5MB
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Filesize
1.5MB
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Filesize
672KB
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672KB
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672KB
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672KB
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Filesize
1.5MB
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Filesize
672KB
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672KB
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728KB
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