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Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
21/01/2025, 21:55
General
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Target
23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff.exe
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Size
355KB
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MD5
1c1600535fba0d5b6162afed6203fc7f
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SHA1
046c6eb7cd3ce56150c34f8665670b2272f1024b
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SHA256
23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff
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SHA512
89005095661e6f3326e4535ccebf0e16011aa08bd55743b4c79b76360ccbda4bd89820ca85b9512b24de1340769cd59e44b947442f8f3486755012d4fa3b2290
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SSDEEP
6144:igEmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9Ei:EmWhND9yJz+b1FcMLmp2ATTSsd
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\23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff.exe"C:\Users\Admin\AppData\Local\Temp\23edb53b418a41addc233dd18b8cedde5c27603e53be7e35c976c71f10fa28ff.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
481B
MD5af70db5716859e084469d8d7ced2aa81
SHA1c31f06e0c1cb81c189ab14213829014cc4ff8282
SHA25691d8c97158abe02f4f90c7314213a182dd0e6c62ebb1db5a8f9073583e5ba3d5
SHA5127dc5fc9d138f67347b7bf65d5e80ef88d17025a4f9332af31f17b50ff1514ffb59903d0639bc82f6ca86e2ebdee974fa78811a374dbfad8a2639aa9c3c7c9e88
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Filesize
355KB
MD53a8cd9a82e04ca021d5d382fcb0526d9
SHA16d4783cb0bc03ff62269d79273775f403b2ba05d
SHA2563638023536bc7065049869418a4bdba7b5221fde73d058b6eadf7e87f319e02c
SHA5128025ae43dc6e46663a22228dc07fa91d2c67aff0ef4bf03586cfc81e95b84c1f4717f8a921cf91aeaabe35d4f20e586d1984936e725215f4aafc3b39a53140fc
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Filesize
380KB
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Filesize
728KB
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728KB
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672KB
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728KB