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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
03/01/2025, 18:56
General
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Target
c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697cN.exe
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Size
355KB
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MD5
c4964657d88bb7a5814aa9276a619ff0
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SHA1
96776799e593fdbebe79a383ff566222c620f192
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SHA256
c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697c
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SHA512
68865ced39d53278264a8dafc59ff5ec726538117935e6bb6a40a94e62462faaa82692015c67ff98aea3606bb3321f9c1403ff03757b579fa84ade17e9e4fe43
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SSDEEP
6144:+3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:ZmWhND9yJz+b1FcMLmp2ATTSsdS
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\c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697cN.exe"C:\Users\Admin\AppData\Local\Temp\c72f73e3fe52b8a661614ae1f72df6e204adba290fe8395937b458e60db2697cN.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
355KB
MD537220df9959ff4a7e35a67f3ece6fd31
SHA1dadeaa6f070fa95cf8d4d4a6a465bf5f8ca59315
SHA2563a78d37b9ff5258d95b82dd6235d8b09080ceb0b43928a9a18d529d1999cabbd
SHA51272885ad080338774da161e11d6262af9e3bf908e7326c93d09177094f78022bcc0ad1aceb42fcd3e5b7b9ca300bb751b01e92cb38613f683d744eb14c69323c5
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Filesize
672KB
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Filesize
728KB
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Filesize
380KB