Analysis
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max time kernel
108s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
06-12-2024 08:27
General
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Target
e3eff21453db9a295af27fb755d175a444ed83793bb98c5d98b61fd947eba6f5.exe
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Size
355KB
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MD5
d5ad61b8ab1703ab66bb8452c961739f
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SHA1
c8e516fcce38bd7390ab9c4b8c424c9a6ce99321
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SHA256
e3eff21453db9a295af27fb755d175a444ed83793bb98c5d98b61fd947eba6f5
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SHA512
aca99fe4de04220de4495921608d5e2832060175c7c17c688e4f93f8f1f4e07dd9b7564545d2a195a9650b3db774de4a624e6c6ea0fac8ecb9b069f601c59286
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SSDEEP
6144:83EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Eiy:3mWhND9yJz+b1FcMLmp2ATTSsdy
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\e3eff21453db9a295af27fb755d175a444ed83793bb98c5d98b61fd947eba6f5.exe"C:\Users\Admin\AppData\Local\Temp\e3eff21453db9a295af27fb755d175a444ed83793bb98c5d98b61fd947eba6f5.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
Loading Replay Monitor...
Downloads
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Filesize
355KB
MD58445d896e7aa4dd85b8c9f8094dae9df
SHA19e0466cdc68cc336c06faadc941ed0df8dc6c36d
SHA25640f93418d617712e4d428a6df846e6eef820a7fbb9e0a4f57bc919565bbc0b81
SHA512c436edd7eec80593b247b72a94a1ec01f05472edcaa8cee381324c585ca0f1c5dcf31ad1b2870541a19343f78ff02c50ce1cba3baf079715f19eed8fa5404652
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Filesize
672KB
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Filesize
728KB
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Filesize
380KB