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Analysis

  • max time kernel
    116s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/12/2024, 07:00

General

  • Target

    ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767.exe

  • Size

    218KB

  • MD5

    c256173d8e5d72fdbd013702d022938b

  • SHA1

    9b7b7ea570796e2745024486b8ca6f5f531215ad

  • SHA256

    ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767

  • SHA512

    06f31077bcf66c1e0cdfc9b7fca424d6262ecc149ff468289959ed5aa2bfd5b315080609963bd3aef36995f8b5ca3d127954978aa1cf002c29dd361ec3b8d63a

  • SSDEEP

    6144:mEQBDdO1z7L/EIhZDE9oLfFWlMZT7+DGaMwICi:mEGDdQNHEwWlMxYG/wI7

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 2 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767.exe
    "C:\Users\Admin\AppData\Local\Temp\ec9cb69e3e2fc14486953cc12f5a1bba5f013371ebaff2636e9ee872daf95767.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:2336
    • 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:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\B188.tmp

    Filesize

    1KB

    MD5

    2fd90dad1e5a1d8bbe36513101bac80f

    SHA1

    0a8362d0e8aec8d6046eca2c654f5b01a7645c4f

    SHA256

    8f1bc8e57940c4ee12ee5d8aac77f3d0bb5a2f001d47cba4df70babcddcec5ab

    SHA512

    b1cc8fd121d189188d9228c6c4da186f5c3dea76209c64ff16160bf5aba9be2c6a7ce47372c46ca732635c6e765da24cef9724fba80d8bfd1098b9ee8ae0062a

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    218KB

    MD5

    f5625dda09d55eea35937878d8fcfa32

    SHA1

    e49bb452c8df57e46e8a07a356b043330077e309

    SHA256

    090cfb15116ab095f6a13a1e69b7fb20f6fe66e416e12d7bcdd5f18fb762732f

    SHA512

    264100c2eabf91e4e1997180ebec6f4ed70b6e709c160343ebc5216656fa33a2885008889f3ffd8510caf80fa58b77a6ced36074b10a7e5a6e623ae4006a8bf6

  • memory/2336-1-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2336-0-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2336-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2336-17-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2336-19-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2336-16-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2988-18-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2988-20-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2988-25-0x00000000024F0000-0x0000000002598000-memory.dmp

    Filesize

    672KB

  • memory/2988-23-0x00000000024F0000-0x0000000002598000-memory.dmp

    Filesize

    672KB

  • memory/2988-32-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2988-31-0x00000000024F0000-0x0000000002598000-memory.dmp

    Filesize

    672KB

  • memory/2988-33-0x0000000000400000-0x00000000006D0000-memory.dmp

    Filesize

    2.8MB

  • memory/2988-29-0x00000000024F0000-0x0000000002598000-memory.dmp

    Filesize

    672KB

  • memory/2988-27-0x00000000024F0000-0x0000000002598000-memory.dmp

    Filesize

    672KB

  • memory/2988-21-0x00000000024F0000-0x0000000002598000-memory.dmp

    Filesize

    672KB

  • memory/2988-34-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-36-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-38-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-55-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-61-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-84-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-83-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-82-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-81-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-80-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-79-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-78-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-77-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-75-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-74-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-73-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-72-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-71-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-70-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-69-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-68-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-67-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-65-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-64-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-63-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-62-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-60-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-59-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-58-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-57-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-56-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-54-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-53-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-52-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-51-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-50-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-49-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-48-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-47-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-46-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-45-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-44-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-43-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-76-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-42-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-66-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-41-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB

  • memory/2988-40-0x00000000026A0000-0x0000000002756000-memory.dmp

    Filesize

    728KB