Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 22:16

General

  • Target

    4235e7a97cd29f0d7787a2fdc1b5cd0d1194afcd9fd7dacfcf4a2ab1b3322194.exe

  • Size

    355KB

  • MD5

    f828dab602b9fbd149aee57b50254837

  • SHA1

    ab2de1732e4e08844b49f6c93ba792a2521b2b3e

  • SHA256

    4235e7a97cd29f0d7787a2fdc1b5cd0d1194afcd9fd7dacfcf4a2ab1b3322194

  • SHA512

    e6f29e5bdcf3046d97f6d36289574f04b676abfc8db99d1196556eeae7d72c6ce8ef0b2570687def0b95f06ffb1ec84f9b17d20f11e23c1040b327b3ca7441eb

  • SSDEEP

    6144:p3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:+mWhND9yJz+b1FcMLmp2ATTSsdS

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\4235e7a97cd29f0d7787a2fdc1b5cd0d1194afcd9fd7dacfcf4a2ab1b3322194.exe
    "C:\Users\Admin\AppData\Local\Temp\4235e7a97cd29f0d7787a2fdc1b5cd0d1194afcd9fd7dacfcf4a2ab1b3322194.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:2084
    • 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:1044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\74C.tmp

    Filesize

    481B

    MD5

    7370d4208944ebd6a6f7c62fa1f345a3

    SHA1

    c734f48285c80b4fcbd6b74e33de1ed435267eac

    SHA256

    e3bdc1249141d8bf5f757019488bf6c63080cc08cd420307e62cf91ff479da97

    SHA512

    4d2f31007fd1101daa2daa8612d99b1b0f0b1d2013b2a4eee661ce29ceb809b16aaaabf7051bc6dcafff3d14472c96ee1387ef6a9385964d5509cd2aaf632233

  • C:\Users\Admin\AppData\Local\Temp\7EFA.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\E8D0.tmp

    Filesize

    24KB

    MD5

    ce72066609f49760c712bbf701d07025

    SHA1

    da9e9bd5e8bcf952d4defc1ea42221853823a238

    SHA256

    abdba63617e24df2097d8fcacf58684e565a85158e21b38bf9d1b578ba23e736

    SHA512

    d4204197384ef4adbc9c0816e8e38cc222628641af5ec9b688b68fd542788e8a3a0bea39020130d408e4566afc23e19c0c1db95f22ccf4d964f2f5afc45ae31d

  • \Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    1ffac465eb387170b23f42c668aa27ee

    SHA1

    5b92af2431009d3e44cb5475441ed1098c7824b3

    SHA256

    f1cd250f3895f936fb854d336a5a33914cc1627f8d84a585e47c7dc4a11b1a82

    SHA512

    3a7b192b05b9e09384558b93425f9c852fae9a93151f3ca1d2312bd5e3f0963e9dd7594481979b8b35270018cd244c11bdaf98c37ae7bfca63d81901e5d49181

  • memory/1044-14-0x0000000002160000-0x0000000002208000-memory.dmp

    Filesize

    672KB

  • memory/1044-16-0x0000000002160000-0x0000000002208000-memory.dmp

    Filesize

    672KB

  • memory/1044-24-0x0000000002160000-0x0000000002208000-memory.dmp

    Filesize

    672KB

  • memory/1044-22-0x0000000002160000-0x0000000002208000-memory.dmp

    Filesize

    672KB

  • memory/1044-20-0x0000000002160000-0x0000000002208000-memory.dmp

    Filesize

    672KB

  • memory/1044-18-0x0000000002160000-0x0000000002208000-memory.dmp

    Filesize

    672KB

  • memory/1044-25-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-29-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-27-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-32-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-71-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-77-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-76-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-75-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-74-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-73-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-72-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-70-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-69-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-68-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-67-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-66-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-65-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-64-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-63-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-62-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-61-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-60-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-58-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-57-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-56-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-55-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-54-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-53-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-52-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-51-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-50-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-49-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-47-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-46-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-45-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-44-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-43-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-42-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-41-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-40-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-39-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-38-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-36-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-34-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-59-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-33-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-48-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-31-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-37-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-35-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/1044-332-0x0000000002310000-0x00000000023C6000-memory.dmp

    Filesize

    728KB

  • memory/2084-12-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB