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
    22-12-2024 05:35

General

  • Target

    5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7.exe

  • Size

    358KB

  • MD5

    6c147641beaca8cdbfef83922528ab2c

  • SHA1

    a9b500440e4f23d73d330e09e5e127f143827d45

  • SHA256

    5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7

  • SHA512

    d42439b0c16ba6e0039a36a794e8b8426df9703a33c7b4f0ee8e5405dcf3fb7a0d94783697438fde635a5fe7d2fee99d10f6c70d6cd608a0eaec2c98796a2ceb

  • SSDEEP

    6144:oXRcmWhxR1arY/PbgmFOabPIIBhJXAv7eTY9suz0xhttGSrDKE3KIQvSka8bjd:oCmWTR1arYnEKosuzY34CZ3DQvSkNN

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 17 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\5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7.exe
    "C:\Users\Admin\AppData\Local\Temp\5c59e6fdcfce57aadf789de7ea6ee956c1775e5ec95b1ba3ab3be0f417cff5a7.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:4196
    • 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:3908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\CA3VRN8D\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    358KB

    MD5

    128852f153cf142cfbd6b5ef48267228

    SHA1

    a38929b8f4253cad8029d7ffe08f7f4a9e51c9e6

    SHA256

    67a0fd79b31ff4fb054f654c3ba3bba3b8d32ccfe68746ab1c6c0118f0e8507b

    SHA512

    52ea1c88c371dc7b63d87d0ec0a1bc61d721669b555bcd37168c56d088fede6b45a79c929979e4fa8d6a4a56150704c55b3d94144048b7a61076959927e1b7f7

  • memory/3908-12-0x0000000000B40000-0x0000000000BEA000-memory.dmp

    Filesize

    680KB

  • memory/3908-15-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-16-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-18-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-20-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-74-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-75-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-73-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-72-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-71-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-69-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-68-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-67-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-66-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-65-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-64-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-63-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-62-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-61-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-60-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-59-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-58-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-57-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-56-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-55-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-54-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-70-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-53-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-51-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-50-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-47-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-46-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-44-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-43-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-41-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-40-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-39-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-38-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-37-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-36-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-35-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-34-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-33-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-30-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-31-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-28-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-29-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-27-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-26-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-25-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-24-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-23-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-21-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-19-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-52-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-49-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-48-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-45-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-42-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-32-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-22-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-161-0x0000000002E00000-0x0000000002EB7000-memory.dmp

    Filesize

    732KB

  • memory/3908-2048-0x00000000070D0000-0x00000000070D1000-memory.dmp

    Filesize

    4KB

  • memory/3908-2046-0x00000000070E0000-0x00000000070E1000-memory.dmp

    Filesize

    4KB

  • memory/3908-2045-0x0000000077892000-0x0000000077893000-memory.dmp

    Filesize

    4KB

  • memory/3908-2047-0x00000000070C0000-0x00000000070C1000-memory.dmp

    Filesize

    4KB

  • memory/4196-11-0x0000000000E60000-0x0000000000EBF000-memory.dmp

    Filesize

    380KB