Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2024 20:07

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:1996
    • 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:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\D091.tmp

    Filesize

    42KB

    MD5

    045a1605f88308762bd08a179c9f7ca5

    SHA1

    44c87a3b802856eac8b9ec35d2c889d06529d40b

    SHA256

    e0d77163ab3394130af6c33b07eca7bbe0091921bd6c4e8febaa47dc79fbe2c5

    SHA512

    3ce07fb9bc870d64e8f3c9ac19d03e85be9c4187bb5f5a3bd50d0c5ffc7b203fd5e4c53e78ea1773380b99e59564f5a7cbd269c186bc9c2c7877841ba6b6c28d

  • \Windows\AppPatch\svchost.exe

    Filesize

    355KB

    MD5

    8d6c132888578e2f57bad44af65fa667

    SHA1

    23540fb827165f162a822186567bfecea770ff2a

    SHA256

    1589666f39d91702582da37fffbe30ee9aa6acb150074c4c074ff75b6e5bc727

    SHA512

    866f7d65ef93df1c068c2b01e53a7f64b02e6581a646ec676d09c6d4d1ab4ea5222cad9a8ca73537ae7cb7f2b99cfc2439326792b9e740d09644e7588e4a7005

  • memory/1792-14-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/1792-24-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/1792-22-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/1792-20-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/1792-18-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/1792-16-0x0000000000460000-0x0000000000508000-memory.dmp

    Filesize

    672KB

  • memory/1792-31-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-29-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-27-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-35-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-37-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-32-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-33-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-48-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-34-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-60-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-46-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-61-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-62-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-59-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-58-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-57-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-56-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-55-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-63-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-54-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-53-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-52-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-51-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-50-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-49-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-47-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-45-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-44-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-43-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-42-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-41-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-40-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-39-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-38-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-36-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-64-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-77-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-66-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-75-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-78-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-76-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-74-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-73-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-72-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-71-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-70-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-69-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-68-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-67-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-65-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1792-167-0x0000000002510000-0x00000000025C6000-memory.dmp

    Filesize

    728KB

  • memory/1996-12-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB