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Analysis

  • max time kernel
    112s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/12/2024, 14:34

General

  • Target

    e991a432f85daf7fdf0409918efcc9d71966cac5802db995edff8b12dddb3dd1N.exe

  • Size

    208KB

  • MD5

    565fca9549d6991a7c51dd7f44853170

  • SHA1

    b4113a1c3b4131c3b9d36289c902bc40e60bb88f

  • SHA256

    e991a432f85daf7fdf0409918efcc9d71966cac5802db995edff8b12dddb3dd1

  • SHA512

    7c967666166e4c60a735597345fbc6ef892820d245d1d78cb12383196491479c282b793338a4848242cdbefab18dab60af8579284ae5b77e94f5a6d8b2a555e7

  • SSDEEP

    6144:qa1oB/yvpK0JCmRcRRR8N0e2kXfCqNidkfkg:qbapK0JCmRcU9vVokfR

Malware Config

Extracted

Family

simda

Attributes
  • 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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e991a432f85daf7fdf0409918efcc9d71966cac5802db995edff8b12dddb3dd1N.exe
    "C:\Users\Admin\AppData\Local\Temp\e991a432f85daf7fdf0409918efcc9d71966cac5802db995edff8b12dddb3dd1N.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2104
    • 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
      PID:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\4F8B.tmp

    Filesize

    1KB

    MD5

    61e6b4173525f8eed87906f7f5af476c

    SHA1

    1c4293e759934600775494341b178c4aef4c4d04

    SHA256

    c3e772d4ece017d594d3178597425ee4e50a26d3d18856e1664ed6962c9ad7ff

    SHA512

    1ae6bd3fa19d5220e21dd54fab24cb947712e47526696b7829c9e6027ee4bc27d9c3b2dc651756f7f72c9e41dc3b37c133277407fbbf89205e9121dbc5900bab

  • C:\Users\Admin\AppData\Local\Temp\4FB0.tmp

    Filesize

    42KB

    MD5

    0390e01e17eafcd1523e9ff655d72c82

    SHA1

    a7457c69dd74c04e3bec3c29917f1c521b42fe88

    SHA256

    63a7bcd2e71c9a14848a4b58dc4cb52dd71b983869fb9907f19a0ebd5b848599

    SHA512

    ca249abd3a89f94d8c47ce20213ecb361faa0236b1adf6d57fe75423ed2ec7b26322d1e93545b7745042b4ee5ace407096b8714aaadce56b78290774e6faaec6

  • C:\Users\Admin\AppData\Local\Temp\F847.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    208KB

    MD5

    99c3afc8528caa74b382a50a1a7d9b21

    SHA1

    7621f4bda6adb1fda585845c3e3902a6234d28f9

    SHA256

    b7f791b9564f2a118f79f4fe93cb080f56149a9e7eafb948495d2ccdd184626c

    SHA512

    b510f96d10928785878e9493b7a3272ef42b370cfe0de5b7097fb70ae11d7f8239d529a7b5b09701f23e8ddb3719f4a7b756e6f299696384b4db38d5b9326b58

  • memory/2104-0-0x00000000003E0000-0x00000000003E3000-memory.dmp

    Filesize

    12KB

  • memory/2104-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2104-12-0x00000000003E0000-0x00000000003E3000-memory.dmp

    Filesize

    12KB

  • memory/2104-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2104-11-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2760-15-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2760-16-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2760-19-0x0000000000470000-0x0000000000518000-memory.dmp

    Filesize

    672KB

  • memory/2760-23-0x0000000000470000-0x0000000000518000-memory.dmp

    Filesize

    672KB

  • memory/2760-25-0x0000000000470000-0x0000000000518000-memory.dmp

    Filesize

    672KB

  • memory/2760-21-0x0000000000470000-0x0000000000518000-memory.dmp

    Filesize

    672KB

  • memory/2760-28-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2760-17-0x0000000000470000-0x0000000000518000-memory.dmp

    Filesize

    672KB

  • memory/2760-27-0x0000000000470000-0x0000000000518000-memory.dmp

    Filesize

    672KB

  • memory/2760-29-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-33-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-31-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-42-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-48-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-81-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-80-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-79-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-78-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-77-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-76-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-75-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-74-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-73-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-72-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-70-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-69-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-68-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-67-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-66-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-65-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-64-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-63-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-62-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-61-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-60-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-59-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-58-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-57-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-55-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-54-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-53-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-52-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-51-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-50-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-49-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-47-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-46-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-45-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-44-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-43-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-41-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-71-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-40-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-39-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-38-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-37-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-36-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-56-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB

  • memory/2760-35-0x0000000001DD0000-0x0000000001E86000-memory.dmp

    Filesize

    728KB