Analysis
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max time kernel
111s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
25-12-2024 17:39
General
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Target
e27bf78aac6a371d7ee7d646712a307356f326fb39950eeb4bb36dc381e7890fN.exe
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Size
204KB
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MD5
b957813a4f8160d25b479c25507dc230
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SHA1
0ea91d6b8d7c4e151401895d0a9e5e48f732ba1e
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SHA256
e27bf78aac6a371d7ee7d646712a307356f326fb39950eeb4bb36dc381e7890f
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SHA512
5d12123d50f0bc4ebbc4a1a82eed1c46200c7f0123b6ece71f0186eb14ec6d4af5889ac3ae6ca9665e73b161cce70de874274aad1e2dc7a52c0e49dee67782f7
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SSDEEP
3072:a5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlA4:aLexkuRaX41xoyJV65gzyZko+ucZ
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\e27bf78aac6a371d7ee7d646712a307356f326fb39950eeb4bb36dc381e7890fN.exe"C:\Users\Admin\AppData\Local\Temp\e27bf78aac6a371d7ee7d646712a307356f326fb39950eeb4bb36dc381e7890fN.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
204KB
MD5598a92aa7d164e483c837dc53367e077
SHA1b607a0c3aef71622d3aac9044430b12f9e95c8c4
SHA256dbdcaf025f00b7f8e9eb5e0315ad95036f58b386e3c19618335fc62847382648
SHA5122e77851a43952972d1e6a003a4aef4fb400d97ba21cc686e9ff612ffb6bfb1e29b31d3d6c59a3abfa5e34e2532a5bca6e0421dca8f37c28c1aef6dca1a558d93
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
1.5MB
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Filesize
672KB
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Filesize
1.5MB
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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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728KB
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728KB