Analysis
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max time kernel
113s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
07-01-2025 04:28
General
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Target
e5fcc8c40cd23070b80fc17ea9d519f3590e1e844a61f0cda34a3b4bbeb75d1fN.exe
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Size
218KB
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MD5
1b0d186afebf08566953e303904709c0
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SHA1
78dd762dc655562618c0552d90f3e922b18a5305
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SHA256
e5fcc8c40cd23070b80fc17ea9d519f3590e1e844a61f0cda34a3b4bbeb75d1f
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SHA512
d68c3e45070d05e8dc19ef9e8ab223717c3fe22f842be24062358bfd17c81cf3e7f730b5042686444dd4d0b8d219edecd6f8fcd5ef1534022764764e3f351f4b
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SSDEEP
6144:HEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwIC:HEGDdQNHEwWlMxYG/wI
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\e5fcc8c40cd23070b80fc17ea9d519f3590e1e844a61f0cda34a3b4bbeb75d1fN.exe"C:\Users\Admin\AppData\Local\Temp\e5fcc8c40cd23070b80fc17ea9d519f3590e1e844a61f0cda34a3b4bbeb75d1fN.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
218KB
MD513492abc51bf3ecd77afffbe4c523ae6
SHA1a5eaec15de4dd776df7d838d49393694d785d6c1
SHA256339551cc69794c35c82f30a2fc9b5deba7550c533b8b5bb6932a99fe2b98b206
SHA512e1750de04572e44d479d79125f968504690f0c8444618622ef6b67e60b6fa10ce48fcfd6715c218c4e3ebadda18c18c6e91e5cfcb0bb5ec5d126d32e490057d0
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Filesize
728KB
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Filesize
728KB
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Filesize
2.8MB
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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
2.8MB
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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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728KB
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Filesize
728KB
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728KB
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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
2.8MB
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Filesize
728KB
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Filesize
728KB
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Filesize
2.8MB
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Filesize
728KB
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Filesize
728KB
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728KB
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Filesize
728KB
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Filesize
728KB
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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
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728KB
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Filesize
728KB
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728KB
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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
324KB
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Filesize
380KB
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Filesize
2.8MB
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Filesize
380KB
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Filesize
324KB
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Filesize
2.8MB