Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
06-01-2025 21:03
General
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Target
1c3ab9054ac703bd206b4cda767165b14eb10469a880a50c7fd89e148f0fcc9c.exe
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Size
355KB
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MD5
f1d5a57adf4d72178b6421480151d823
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SHA1
f2d83041da357345887270e52bb489c2f7c0bf03
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SHA256
1c3ab9054ac703bd206b4cda767165b14eb10469a880a50c7fd89e148f0fcc9c
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SHA512
1aac27d0817b1f3ae08727aaa0b820a91810d1558aa553341a3e322d4666395ee77c9c6301d71971cd7de61e6ab0fae862dc0aed41cb4cd518f0136e9118d6b0
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SSDEEP
6144:h3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:mmWhND9yJz+b1FcMLmp2ATTSsdS
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\1c3ab9054ac703bd206b4cda767165b14eb10469a880a50c7fd89e148f0fcc9c.exe"C:\Users\Admin\AppData\Local\Temp\1c3ab9054ac703bd206b4cda767165b14eb10469a880a50c7fd89e148f0fcc9c.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
61KB
MD58555b5e229c076ecd75b717a53b80895
SHA14348326085f0a163efa1eb5aa894e1ac65309344
SHA25626df779d882e81262ae7fe3bc0ea53ea90a641a174fcc5f41d7a43cb6ccf5dd7
SHA512eb50e53d9adb650e2679dd037bcebdc08f497bbba7ff75c04b31774d77a8237e719be18a0e1eba0298781ab7da8834413224f050713dde60e146b5ff4890b1ec
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Filesize
42KB
MD5e0e085101a8fbd6dd69f3118490975be
SHA105ec502963fe5c436691758a28f15b5f1037d424
SHA256b2be44f6a1946aa022b6d27bf7dd08153fef63a3ca3cde05ec90f3865cf2e6eb
SHA51299ee9f3604a686ad69783cbf1daf859097612392b6f4e258f6c218ff3bfba0a6b67ca2effee56859bc4ffafc4a679224b15e4a05bd4be424384de48ae688c2c5
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Filesize
355KB
MD5d932ca9ad20a88f27435f102bf1dd72b
SHA1e59a6cef4a2a65706a02c0e3401b7f8ad9d6c448
SHA25608bd3b92465bdbf896147d52f8f85fbd30e089fae7bc587b2837ea7afc593fe6
SHA512a4162de109dd596e2b05889cc36f3b4b382c35a3309b131bacaeee64adefa55cda53f18708e3684160537616ddb3651d19389cac03c809bc5bbff5ab8e4cc7c1
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Filesize
380KB
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Filesize
672KB
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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