Analysis

  • max time kernel
    117s
  • 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
    22-11-2024 19:02

General

  • Target

    7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f.exe

  • Size

    202KB

  • MD5

    613d49cba2ef21ac88c887dbd28eeec7

  • SHA1

    911d2ec9e2f1631f522d8d39b0cfab4c74630928

  • SHA256

    7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f

  • SHA512

    304fb08e4956bbb43976b5483b1daa34d0888bfcba3cbb40128064c17c783f1aae342bf9c3aac686af431186e934ff1fb4583b43bf9ee15a9ad096e8556979ec

  • SSDEEP

    3072:u8nh2Hrp3Tlp+soN3BY2ZBHetwcyf1w5DYRZPQaQrhu8ihDNugrBVgc8gbmT2Pcs:vnw9lEs3hhyaubQTkhbrBVL8gbmT2Pcs

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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f.exe
    "C:\Users\Admin\AppData\Local\Temp\7d211c1e8d1fdf7f124499714bc317b5a9c4750c6cccc8f8dfea68530499b04f.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:2408
    • 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:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\5D46.tmp

    Filesize

    61KB

    MD5

    af40072137f7751c0b8583f5d585e390

    SHA1

    d992308e00a62bc5dcf284e2a18b99a58b2925de

    SHA256

    b967c5f9dad91e2f97eee649988d1917455886ec7a6e5882444b294688bc1671

    SHA512

    fbe1d7aa4c92e11db43669988bdb4f219342168e21c0989bf15b663df2ed03fe307f7defae1025390d1692e5fed2d7a6d4282dce205220931b15e8a27f00aa04

  • C:\Users\Admin\AppData\Local\Temp\CEF8.tmp

    Filesize

    24KB

    MD5

    9043d95029e41453f1cb9cd6aac24b41

    SHA1

    30575cbb15a8d0cd35292a54e28119496e06cd2e

    SHA256

    d69094a78832b61d86d2387763879d9501ae3704f3f93ec752a4502a331c2c2e

    SHA512

    9ec864077586a9c270c3adc3df4b5798662fbf740585514e27fa717ef518e53ce89442bf246498af7f3cd7abdaf1645b19c5aaa8de9f9d7ef43d9bc1bd72e53b

  • C:\Users\Admin\AppData\Local\Temp\CF48.tmp

    Filesize

    1KB

    MD5

    0b432ff9ffa6ef33de3a79914784737d

    SHA1

    ad486d27af612313f19079d645e2fcb37dddc39e

    SHA256

    f896ab76a985493e3308c7b6ec4891b4ac783ec74c68788a8274d4ec59e1c9eb

    SHA512

    ccf19d4929353c81af121ef8dc0e0fd15b879c3f99ff5bb01b1441e7ac90e751230c8ff3e0504d2fb3ed143043a25e5f8a567aec0e235262f5e99dc7d3ead22d

  • C:\Users\Admin\AppData\Local\Temp\F5B8.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Windows\apppatch\svchost.exe

    Filesize

    202KB

    MD5

    b1cb8c98946ecfd7a28243ad9f32431f

    SHA1

    6c365b9e02bbb7e67ba58941797008dca9e1fc20

    SHA256

    644ab36ae7af4d85e7ee7094c587ce55203b789c1f4b796d18e885561a28407d

    SHA512

    a0c43e7fbcb0faf5346295ef4aacd2fceb2a747fd2488bd184b259b2cf07994f3421a440ae45ef8da9e82cf4cccefe8f76c0994310b7db054884620d4a8f572a

  • memory/2408-0-0x0000000000600000-0x0000000000603000-memory.dmp

    Filesize

    12KB

  • memory/2408-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2408-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2408-13-0x0000000000600000-0x0000000000603000-memory.dmp

    Filesize

    12KB

  • memory/4916-58-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-53-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-16-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4916-17-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-19-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-21-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-28-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-36-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-78-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-77-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-76-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-75-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-74-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-73-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-72-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-71-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-70-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-68-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-67-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-66-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-65-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-64-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-63-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-62-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-61-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-60-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-59-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-12-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/4916-57-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-56-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-55-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-15-0x0000000002740000-0x00000000027E8000-memory.dmp

    Filesize

    672KB

  • memory/4916-51-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-52-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-50-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-47-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-49-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-48-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-46-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-45-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-44-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-43-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-42-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-40-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-39-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-38-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-37-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-35-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-34-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-33-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-32-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-31-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-30-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-29-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-27-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-26-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-24-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-23-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-69-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-54-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-41-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-25-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB

  • memory/4916-22-0x0000000002B40000-0x0000000002BF6000-memory.dmp

    Filesize

    728KB