Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
04-01-2025 09:24
General
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Target
ca6eca82768fa09c7ac9a4ac41a2580b61af00c7a085ee3211da403deb00a347N.exe
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Size
711KB
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MD5
f971f006fa51662300692b61abebb530
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SHA1
16e03b8ed80ebd29b55482247ebaefb68ccc5eca
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SHA256
ca6eca82768fa09c7ac9a4ac41a2580b61af00c7a085ee3211da403deb00a347
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SHA512
440111cdbfe906a27cd6573231d15649c1dbd922e81af646fdaea8cad2bb930569e3e7cd8d183a62252bcb0b5f067846c7909afabe130601d48900800550c943
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SSDEEP
12288:DmWhND9yJz+b1FcMLmp2ATTSsdsmWhND9yJz+b1FcMLmp2ATTSsdS:DmUNJyJqb1FcMap2ATT5qmUNJyJqb1FB
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\ca6eca82768fa09c7ac9a4ac41a2580b61af00c7a085ee3211da403deb00a347N.exe"C:\Users\Admin\AppData\Local\Temp\ca6eca82768fa09c7ac9a4ac41a2580b61af00c7a085ee3211da403deb00a347N.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
593B
MD53b03d93d3487806337b5c6443ce7a62d
SHA193a7a790bb6348606cbdaf5daeaaf4ea8cf731d0
SHA2567392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30
SHA512770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88
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Filesize
593B
MD5926512864979bc27cf187f1de3f57aff
SHA1acdeb9d6187932613c7fa08eaf28f0cd8116f4b5
SHA256b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f
SHA512f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b
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Filesize
711KB
MD5301df86e709c4dd35eec2c7a029b2268
SHA1265d24110c316710811939791e1b3c377573dff2
SHA256173aaf5729969a5ea92f9c37233b1e4d354450d932c1cc6a8696566e05f9fbe4
SHA51224815ba4d23348e09260673c5826e0df63830c9eff48ac49b424a5d4024d10d63460d04350cac0e3b8390dc92002e450a3f5d92f2292c8014e04d386501aae48
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Filesize
380KB
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Filesize
672KB
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728KB
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