Analysis
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max time kernel
144s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
29/12/2024, 20:53
General
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Target
2763cbb81464b2646ce4f78bc8f4a151efe64384c8a7d25163ba9e7be2e86639.exe
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Size
208KB
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MD5
8e74c15174dcc5b2eaac5c2811994506
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SHA1
d69996f7c148de5e7986ba0b279f7a0c96d34fc8
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SHA256
2763cbb81464b2646ce4f78bc8f4a151efe64384c8a7d25163ba9e7be2e86639
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SHA512
1c69bb62faab6caf7d381d2e1b61c1d0d5b1ab52ff79b5bd18f12194c88b88800b7a2c773a6574676ba9a8a5061c95ad4165ba3181fc7578ced83cfab6150bab
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SSDEEP
6144:va1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfk:vbapK0JCmRcU9vVokf
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\2763cbb81464b2646ce4f78bc8f4a151efe64384c8a7d25163ba9e7be2e86639.exe"C:\Users\Admin\AppData\Local\Temp\2763cbb81464b2646ce4f78bc8f4a151efe64384c8a7d25163ba9e7be2e86639.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
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
208KB
MD5cc56803a12fc662617aede7dfb126e33
SHA121e453babe312b6203809ae21697bbaea0641dd3
SHA2569a94dba0998ff908b586c49b621d2a1d19d207e4d7d18493d59f66e9af30da46
SHA5128f5afd3716038a2f1d15ec5a51db9cf8746db82cbb10451df0e8427f516b198e4abb70fe255865393b68e7210212711f7685a6b62aa113cc5ee9f8658bcc95d0
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Filesize
12KB
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Filesize
380KB
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Filesize
412KB
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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
672KB
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Filesize
672KB
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672KB
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672KB
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Filesize
412KB
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Filesize
672KB
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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