Analysis
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max time kernel
113s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
24-01-2025 16:24
General
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Target
89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069dbN.exe
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Size
204KB
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MD5
f25ee75d9d8ba320b203b631cd5b3840
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SHA1
e4d57ee964304c5f9908bd4eb376f996dea21a9b
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SHA256
89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069db
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SHA512
0214e467f922ff0066fe82713a3fe60a84833a1cf18fa5d061283a854e1ed7455036068f48523a81f5ec6c5b2903213368f65c38a43576f83ae5c0a346a95c3d
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SSDEEP
3072:c5u7yT4TVbkuRaX1w71jnRkCoyJTarYWbV+HOFxg+z1WxJsqWkoyjOowUVl/TlAQ:cLexkuRaX41xoyJV65gzyZko+uc
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\89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069dbN.exe"C:\Users\Admin\AppData\Local\Temp\89d463b6213e9e59ea08d6a45e11a51bc54f6fb9418f15a60efab9fcf0f069dbN.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
204KB
MD5f85154fd687aa1c544f88aca23ec9ec4
SHA1f7506275b326f8cab25bc7b29f240c099f2c8a3b
SHA2564352e604eeef718f60cbaaf44b47341a29536f16fea8db0487b7b625bdcdc811
SHA51227b3457d6e333ce0810a37c314a000aef279dd93ddf6a820700d884df34878633c8e79edb0238bf8ede5a3273d6f9901522ccbe48f8d09a18e5ae0b37f2be465
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Filesize
1.5MB
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Filesize
324KB
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Filesize
380KB
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Filesize
324KB
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Filesize
1.5MB
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Filesize
380KB
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Filesize
1.5MB
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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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