Analysis
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max time kernel
108s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-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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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\3a1140b7fff843c60faeca7839c79c06899a3db7295ebe421c75d1d82bcbe3deN.exe"C:\Users\Admin\AppData\Local\Temp\3a1140b7fff843c60faeca7839c79c06899a3db7295ebe421c75d1d82bcbe3deN.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
355KB
MD549d758cbf02f368dea1c5c2fefd7aabf
SHA1b099e6c468c03eda4f5a2365461c4d92671ca715
SHA256a5ea00491dda5cf75988f85591a052908979775f9b1a963f71f79be7bbe65932
SHA512f907279f2727e3608d802504932b5af963434f6a1b6fcef80b2c55d84fd5e4590b78d42eaacdc2446b8811ec1fb1cf567cf6627b851e61dd3d22e9f743ea4623
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Filesize
380KB
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Filesize
672KB
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