Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 20:04

General

  • Target

    82e876ddae985b0ff651481e0fab88bebd9258eee7a7399ea0bbc33d2b0ebeb7N.exe

  • Size

    355KB

  • MD5

    6837a64724aa786027231b4177ce9cc0

  • SHA1

    09e20caf534983f6ee8f59f432561f6a4c075d63

  • SHA256

    82e876ddae985b0ff651481e0fab88bebd9258eee7a7399ea0bbc33d2b0ebeb7

  • SHA512

    7097662678890f619c24287c752370221dd2329074020c4b76e9a3c2b44aefed99c2f57e9f12e15f12c85926a8ac91820c0d17dde76fc04dd928fa2fc98b3355

  • SSDEEP

    6144:N3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:imWhND9yJz+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\82e876ddae985b0ff651481e0fab88bebd9258eee7a7399ea0bbc33d2b0ebeb7N.exe
    "C:\Users\Admin\AppData\Local\Temp\82e876ddae985b0ff651481e0fab88bebd9258eee7a7399ea0bbc33d2b0ebeb7N.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:1528
    • 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:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\6A9A.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • \Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    4828ec16569b7ab9e7f0a88eaf4e1b05

    SHA1

    30a6bbafe27913b8577cbdbb4b486c2b1f1540ad

    SHA256

    edb95aa51bfa9913e3b3427d2ec811687a291a9c70e3b0b3e2317078f9119db6

    SHA512

    e599c86ee7aff7ede71b6391a0f4c9761be9a572bfc54fc2540cc8b9ff9bf894c436e0a4b063916905d26d03416384f2e8f218640e4b8b34a132fb9e81f838a9

  • memory/1528-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2712-14-0x00000000020A0000-0x0000000002148000-memory.dmp

    Filesize

    672KB

  • memory/2712-22-0x00000000020A0000-0x0000000002148000-memory.dmp

    Filesize

    672KB

  • memory/2712-24-0x00000000020A0000-0x0000000002148000-memory.dmp

    Filesize

    672KB

  • memory/2712-20-0x00000000020A0000-0x0000000002148000-memory.dmp

    Filesize

    672KB

  • memory/2712-18-0x00000000020A0000-0x0000000002148000-memory.dmp

    Filesize

    672KB

  • memory/2712-17-0x00000000020A0000-0x0000000002148000-memory.dmp

    Filesize

    672KB

  • memory/2712-27-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-30-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-28-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-37-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-48-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-78-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-77-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-76-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-75-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-74-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-72-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-71-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-70-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-69-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-68-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-67-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-66-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-65-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-64-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-63-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-62-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-61-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-60-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-59-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-58-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-57-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-56-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-55-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-54-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-53-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-52-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-51-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-50-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-49-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-47-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-46-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-45-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-73-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-44-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-43-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-42-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-41-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-40-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-39-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-38-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-36-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-35-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-34-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-33-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-32-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB

  • memory/2712-183-0x00000000023C0000-0x0000000002476000-memory.dmp

    Filesize

    728KB