Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/01/2025, 19:31

General

  • Target

    343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05N.exe

  • Size

    600KB

  • MD5

    57e32377196d6b79ef15a1a752c67e60

  • SHA1

    dca664cfec967c72f730d23234a2842c4ab33cc6

  • SHA256

    343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05

  • SHA512

    fd203b3ef576e195e4967d7db9d3d8e3162e76332131a87bf7ef21b8e199d0713af81bf36a77ad9ff928d139b08ec02f939cd6b7057125737e7ed0a8f68c6592

  • SSDEEP

    12288:CwmWTR1arYnEKosuzY34CZ3DQvSkNL9qyFhJy56d/eoyXjn9W:CwmyRcrYnxUzY3NZ3DQvZNL9X7Zyz9W

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

  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 16 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05N.exe
    "C:\Users\Admin\AppData\Local\Temp\343fa760360ab75866357011a3183981790111025c12203a05b813b46a1c5a05N.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\T6L3572P\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    600KB

    MD5

    0dcd8f3f0f7956e550bffd232424e731

    SHA1

    84deb7a535eb41118a3ee6bbec8615671cf72528

    SHA256

    3f5d84286c0aa20a8d4df9866326525d1095270f0dce1683646cd005d2c943a7

    SHA512

    5a99dd5294206a2a895cc81c9ce1f3459f8b89298aeed7d750af89b699f507bfeb4a2a89ab30f903421321e35c737f32365389000dd923565332080e2eb4cbde

  • memory/1280-11-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/1280-15-0x0000000002A00000-0x0000000002AAA000-memory.dmp

    Filesize

    680KB

  • memory/1280-18-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-19-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-21-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-77-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-78-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-76-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-75-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-74-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-73-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-72-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-71-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-70-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-69-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-68-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-67-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-66-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-65-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-63-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-62-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-61-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-60-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-59-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-58-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-57-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-56-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-55-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-54-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-53-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-52-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-50-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-49-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-48-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-47-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-46-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-45-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-44-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-43-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-42-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-41-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-40-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-38-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-37-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-36-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-35-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-34-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-33-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-32-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-31-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-30-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-29-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-27-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-24-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-23-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-22-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-64-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-51-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-39-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-28-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-26-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-25-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-161-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/1280-162-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/1280-2049-0x00000000072C0000-0x00000000072C1000-memory.dmp

    Filesize

    4KB

  • memory/1280-2048-0x00000000072B0000-0x00000000072B1000-memory.dmp

    Filesize

    4KB

  • memory/1280-2047-0x00000000072D0000-0x00000000072D1000-memory.dmp

    Filesize

    4KB

  • memory/1280-2046-0x0000000077862000-0x0000000077863000-memory.dmp

    Filesize

    4KB

  • memory/3184-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

  • memory/3184-14-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB