Analysis
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max time kernel
117s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
30-11-2024 16:14
General
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Target
3a1140b7fff843c60faeca7839c79c06899a3db7295ebe421c75d1d82bcbe3deN.exe
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Size
355KB
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MD5
32423cab62eb2f6278194b2395a04a20
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SHA1
f4b38c11b1dbe0666425e2197de15d8372640ffb
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SHA256
3a1140b7fff843c60faeca7839c79c06899a3db7295ebe421c75d1d82bcbe3de
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SHA512
d4ebb326315449a0055a8f846b52f64c4673647195ac1e95dfbce810d79ee08b4c59074ef4930d6a1441567f61a4a013923b80db49a43fff4e40efaf0edaa7c7
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SSDEEP
6144:YgEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:ymWhND9yJz+b1FcMLmp2ATTSsd
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\3a1140b7fff843c60faeca7839c79c06899a3db7295ebe421c75d1d82bcbe3deN.exe"C:\Users\Admin\AppData\Local\Temp\3a1140b7fff843c60faeca7839c79c06899a3db7295ebe421c75d1d82bcbe3deN.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
1KB
MD5dec5135f6189e2dfc0425f9b412cb2cf
SHA1361c29137ea60d3590a3db049fffcd9abc36d1b0
SHA256966709e88fc46aee0d26bbb40ed4bda6d081a1d250d68e82f01305f74a7ed7af
SHA51254b6b13c29a36e705c98fcb6da6823f3adf0225900029b59061f2c8306e15f4050a83ab564bc4779e9539fd95ea78919dc91a943a5f18e37bac087b248a9e4ec
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
355KB
MD5fcd9d49363b1dba90153d5abaedc03c8
SHA1a6890da4441a886b5e5659b5cedba166a2a06c7b
SHA256542c4168b8f4c17c525fe89d5d15c899125ab70be1c8742a0464fcb287f478ab
SHA5123bcd08f93be89fe5de3811ea391c14fc4eca5f2c04e6c964be0dbc8d2072ad366aebab080de114ac1a3c1ac9128df9c852419a947ab02cd3668c7f2f33f9d862
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Filesize
380KB
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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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672KB
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672KB
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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