Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
20-12-2024 04:49
General
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Target
f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4N.exe
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Size
208KB
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MD5
c2c5b532f49c067e7a72162fc0ada730
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SHA1
70f188ff5a9ccfb4ff94609d3d5524c115cdb472
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SHA256
f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4
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SHA512
b5b47a0746c5791d7721bdb50a36febcd64fb80f24fd9afbc1c8a2d54d7f3a98eea98c9a21c5ebfe2bcd26f08cc46db3a51c02685b876211edc90fbd085eb5e2
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SSDEEP
6144:8a1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkQ:8bapK0JCmRcU9vVokf7
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\f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4N.exe"C:\Users\Admin\AppData\Local\Temp\f58cffa1ec631e5e08196fb2687cd2e428759c5f0e46b9a6dbc3e170a08e7ad4N.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
24KB
MD5477150a3ddedbb48a25133b7473fe3dc
SHA161b691a874084d020b30956e91dd815f6f421380
SHA2565bdeead3463e1c68939788d3f5bb3e24b81698689cd53f422c1da9998b6d26b7
SHA5121cca9c3c52c288a2d012017f60f91fe1a17343ac8d59b0a2ba0ffa1e2f1f8d66949e93269932a3bb158a65091ec6cd893ec3bbba84ab38910c51f25b7dbf8ce6
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Filesize
208KB
MD521aae21c8333dae2b96ad926a934c391
SHA1aef8f54d9cd65c44ac25e4f2c55e6151a433664f
SHA256c4c814946e79010a2f28315f7bd440df87bd071b24a595d988359287e26248f0
SHA51267722a64f1bbb3163f6adc046d444b89e83fd909388f7598053c15fb9745f2bf19eac3e65af3c6ccd57cb6ea3ff49d1e34fce561b9daf960d7ce7c56bc1db0ec
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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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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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
672KB
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Filesize
728KB
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Filesize
412KB
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Filesize
672KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
380KB
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Filesize
380KB
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Filesize
12KB
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Filesize
12KB
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Filesize
412KB