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Analysis
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max time kernel
141s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
31/12/2024, 20:56
General
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Target
7782f8ba4445a38fd5a235e803bcd7bad64dd144a91fb05c21e2e3183c13420c.exe
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Size
204KB
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MD5
3264405ed24584c06875868107491fce
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SHA1
53a6940966e4818249cc5c548e7a5f295522e830
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SHA256
7782f8ba4445a38fd5a235e803bcd7bad64dd144a91fb05c21e2e3183c13420c
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SHA512
5bc3780438a60736fca0eaf2e265749bc0d3d7cd172b00fbf21bf3563a89a23ba53efc583a35cf15dd43c2c2c5d00c3b53dbc431fc94d0d08ab04dcc76606538
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SSDEEP
3072:P5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAg:PLexkuRaX41xoyJV65gzyZko+uc5
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\7782f8ba4445a38fd5a235e803bcd7bad64dd144a91fb05c21e2e3183c13420c.exe"C:\Users\Admin\AppData\Local\Temp\7782f8ba4445a38fd5a235e803bcd7bad64dd144a91fb05c21e2e3183c13420c.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
24KB
MD5a79f1b9fc73d37305c88c9aaf2230f45
SHA16022480d96611eae480ad3c1f27cc95ee18bd24b
SHA2563a271491010939357770ce8d15e7b94ab7a9685183886f98622dd2d0688903f2
SHA51237d04b815803b006280530c9ac1540eacfce8c311c38683cff96b36dbcff249ba53a05926116af72017c21fde1dbd946d4820a9c0969469fda9ad0c08bf035a2
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Filesize
204KB
MD546a67fff629a10d522006e0f8655c73a
SHA150847e1d0ab6e889f45d6719d2ab5bb283dd93e2
SHA256c6cadf832e642e2dd66bc0e4239c9d1b2384c6c118008b126b6fcf9e26a6ac03
SHA51252fe139197ce0317c12bb6a7510723d3b0337640662c7652c0962616c0a107b038130d02a27d233497dc9fe7a8d07fc0a64b1423081c20899d5ecd3944da9500
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Filesize
728KB
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Filesize
728KB
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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
728KB
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Filesize
1.5MB
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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
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
1.5MB
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Filesize
728KB
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Filesize
728KB
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Filesize
728KB
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Filesize
1.5MB
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Filesize
728KB
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Filesize
1.5MB
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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
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
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
324KB
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Filesize
1.5MB