Analysis
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max time kernel
143s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
23-01-2025 02:10
General
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Target
7197e262b27cf0d2392d8bcc38d08cf043ec1198178282e25b0d615c41f99a2b.exe
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Size
355KB
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MD5
74e8c1c66c664352c2bf9e7bd1ebe1b5
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SHA1
d8c5c97caad712fe93395c184e5efcda20882892
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SHA256
7197e262b27cf0d2392d8bcc38d08cf043ec1198178282e25b0d615c41f99a2b
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SHA512
2a43916f3c5454aba6d0f2fb7936a81a39692a4bad167694bacb7212d0a60672b536b8aecc2ce49be2d127f4de88c2bd20fa78a6c9db4d4d9a42eaf6a4a42167
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SSDEEP
6144:j3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:wmWhND9yJz+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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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\7197e262b27cf0d2392d8bcc38d08cf043ec1198178282e25b0d615c41f99a2b.exe"C:\Users\Admin\AppData\Local\Temp\7197e262b27cf0d2392d8bcc38d08cf043ec1198178282e25b0d615c41f99a2b.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
355KB
MD57189b464d4d3b1472d535cfd7046be52
SHA1fe76b8ca966213593c28c3f3f1d2abe72b5bc69b
SHA256897ed6cc61ae6658b7025cab554fd7c56584461458dfcbab4c53f5e5497e0999
SHA512dd374d8b449473750f354dfc0b5e2c9b269304a6d50b89117cbc9e02e5189c67e8d7dc8b5948d22624a43975a7a4fb0fb28f407272640abfa7c21d0a5a2493b0
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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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672KB
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728KB
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380KB