Analysis
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max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
05-12-2024 20:20
General
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Target
21d197235fd94903efc3df19f8192b5ffad6310d2e5687a96dee77b99c3529f8.exe
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Size
1.0MB
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MD5
15908cfa4f66d44413934f1c33175adb
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SHA1
77bba676a598c6aaf08dc244f74343e2bf5adc92
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SHA256
21d197235fd94903efc3df19f8192b5ffad6310d2e5687a96dee77b99c3529f8
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SHA512
44330e681aa4b5da81b93fb5c65039fc2d5fa35d0bcaf45936cd3ba3a6354a1c2a0696035d2125daf238d3c280feb038ab60204df89077a01b039044aef6c4f7
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SSDEEP
24576:ZmUNJyJqb1FcMap2ATT5TmUNJyJqb1FcMap2ATT5TmUNJyJqb1FcMap2ATT58:ZmV2ApTmV2ApTmV2Ap8
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\21d197235fd94903efc3df19f8192b5ffad6310d2e5687a96dee77b99c3529f8.exe"C:\Users\Admin\AppData\Local\Temp\21d197235fd94903efc3df19f8192b5ffad6310d2e5687a96dee77b99c3529f8.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
1.0MB
MD50e117c42d524bb1c56a0f3ce3d0ed057
SHA140c06b7c74095d8ce41ad1e4290e3c9087987a0c
SHA2561dc441126cf474f5e57e6e32f6eac4acfa2a2ebeb5fdaac59d368ea999813bf8
SHA51275f1e45c37c8a62ea20af28778ae88be1a4805126b4ad3a44b11245bcfe4aae9a90b3ddfb73f07c9ecd0509c454f04394c7db429ccd277ab51a245b2768d78ed
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Filesize
380KB
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672KB
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