Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 05:34

General

  • Target

    a108ccfdd559448d12cae326a0b30668ede5a5d2d49f6ed4a1d1b340a9c86bd2.exe

  • Size

    204KB

  • MD5

    0e23f310f2ef82d2bbbacd6000d6e1ef

  • SHA1

    c0e866cd6a55cad60ea574371b6e76d6810f8fc5

  • SHA256

    a108ccfdd559448d12cae326a0b30668ede5a5d2d49f6ed4a1d1b340a9c86bd2

  • SHA512

    6925dd4aedf7256e8acfef847c7b26ca5add9f2909e42253b6f297734740e19fdec58d019dad9378a833b0fe2bd89bb268a073c639ba4b808476abdd58c3a957

  • SSDEEP

    3072:bdGaTPrrIGvvyy8dHSi+OcGMrOpOVKdOyMbkrWRdg+E2uEPczTinJhV+p9GEVFU/:pGazIc6TVBMrOpzeJEsuirSGEMpgE

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
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 13 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 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a108ccfdd559448d12cae326a0b30668ede5a5d2d49f6ed4a1d1b340a9c86bd2.exe
    "C:\Users\Admin\AppData\Local\Temp\a108ccfdd559448d12cae326a0b30668ede5a5d2d49f6ed4a1d1b340a9c86bd2.exe"
    1⤵
    • Loads dropped DLL
    • 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:2868
    • 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:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\IIWS8QE0\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    204KB

    MD5

    f5fc94f496543f6c28bb5b81e86b6912

    SHA1

    961997c06fbd56b8ed7f6be60eb3b21e42e05411

    SHA256

    47d6f38b4813d77f64bc5d6ac72d4793b3552283d81dbeb51aa9a68fc461a15b

    SHA512

    43eb12a1006a98e641739d9c6cc2ee74cbba41d8f39b8c02f2231bd77e7a3cf0aaf07a477f2a846a55652e86cc6695808de5f9d6ffc4126e6d0d636921316fc5

  • memory/2832-67-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-39-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-26-0x00000000023F0000-0x000000000249A000-memory.dmp

    Filesize

    680KB

  • memory/2832-21-0x0000000000400000-0x000000000048E000-memory.dmp

    Filesize

    568KB

  • memory/2832-32-0x00000000023F0000-0x000000000249A000-memory.dmp

    Filesize

    680KB

  • memory/2832-30-0x00000000023F0000-0x000000000249A000-memory.dmp

    Filesize

    680KB

  • memory/2832-33-0x0000000000400000-0x000000000048E000-memory.dmp

    Filesize

    568KB

  • memory/2832-28-0x00000000023F0000-0x000000000249A000-memory.dmp

    Filesize

    680KB

  • memory/2832-22-0x00000000023F0000-0x000000000249A000-memory.dmp

    Filesize

    680KB

  • memory/2832-34-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-65-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-36-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-64-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-74-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-86-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-85-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-83-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-82-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-81-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-80-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-79-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-77-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-76-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-75-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-73-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-72-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-71-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-70-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-69-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-68-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-66-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-20-0x0000000000400000-0x000000000048E000-memory.dmp

    Filesize

    568KB

  • memory/2832-24-0x00000000023F0000-0x000000000249A000-memory.dmp

    Filesize

    680KB

  • memory/2832-63-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-62-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-61-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-60-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-59-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-58-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-57-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-56-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-55-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-54-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-53-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-52-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-51-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-50-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-49-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-48-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-46-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-45-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-44-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-43-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-42-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-41-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-84-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-78-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-47-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2832-40-0x00000000025A0000-0x0000000002657000-memory.dmp

    Filesize

    732KB

  • memory/2868-17-0x0000000000400000-0x000000000048E000-memory.dmp

    Filesize

    568KB

  • memory/2868-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2868-0-0x0000000000300000-0x0000000000352000-memory.dmp

    Filesize

    328KB

  • memory/2868-19-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2868-18-0x0000000000300000-0x0000000000352000-memory.dmp

    Filesize

    328KB