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Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
22/01/2025, 11:16
General
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Target
5d6c77d11f5ecd9ffb7d24035d281d635293746ccf70ae77e1b9319bf99b3258N.exe
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Size
208KB
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MD5
9b85dc8c89c93305a0a327ca70a49ae0
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SHA1
093995fc8fc4b57ca218dbec9d6a52af764b527d
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SHA256
5d6c77d11f5ecd9ffb7d24035d281d635293746ccf70ae77e1b9319bf99b3258
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SHA512
e5ea0b4b659ede2143102e46bbb812755f4255daa2f6ddb0c9dc10115faafbbee4ec2610eff05128342058282b3580f9c7feaf9415324f0bbfbbaae9e4c934cd
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SSDEEP
6144:ca1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:cbapK0JCmRcU9vVokf
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 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 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5d6c77d11f5ecd9ffb7d24035d281d635293746ccf70ae77e1b9319bf99b3258N.exe"C:\Users\Admin\AppData\Local\Temp\5d6c77d11f5ecd9ffb7d24035d281d635293746ccf70ae77e1b9319bf99b3258N.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
481B
MD514a819a3a8a5d36b994d7b411e7d9659
SHA1a3de5cd56d77683e173a14bc86d6d4df62dfd9bb
SHA256658e439d730728235b31f5d27eda4077b0299a2e54b3500118ee5148a1bf7d84
SHA5125a85d1d9a2bf23001d3320bb40ada658d3bead9835ae52fcf63ee3691f9c6ae0c75bc086d2196e4b05d80f6ac038d9cd1c0e4fc1459a34fea945b8b24d6a7670
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
208KB
MD59d8445ac12c251fa472f363849a55953
SHA16f56216ceb62e5a6c7da024f75c8366f0c443413
SHA2565a5534e0d517ae6c83bc2c10841ad585acd5635e37c61d0f0ee480d9812c07f9
SHA512b8fe17a90a9aec71b83bfb712105b43b14af02bb6076b42a1dbf98e17f80c93083d620a33cdab6841abf3e8a14039a922b5f70afbd3b01f45845b4c5ad95b410
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Filesize
12KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
412KB
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Filesize
412KB
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Filesize
412KB
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Filesize
672KB
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Filesize
672KB
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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
412KB
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Filesize
728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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728KB
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Filesize
728KB
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Filesize
728KB