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Analysis

  • max time kernel
    120s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/12/2024, 07:03

General

  • Target

    cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492N.exe

  • Size

    206KB

  • MD5

    a6b8a0ffc8d538ce2de9f65877a181f0

  • SHA1

    69b9dd9f2b5ce2a06a5d2a9287a38c62783cb104

  • SHA256

    cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492

  • SHA512

    687d158531d35c43e88c2461dbe179346362d5a95d141a94dd9b4c66aa1df2da09fe4370a97f4f6464081f74a4a54aca51249ae99cf7e14e1cdc679da26a6564

  • SSDEEP

    6144:Su6ABIdHMnMMYGlPtFYmeiGLaMt8ApYUBvNdP4y2:SuLIHMhPtFvei8aM2Aa8N+y2

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
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 17 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 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492N.exe
    "C:\Users\Admin\AppData\Local\Temp\cc45dbb7f631a1f46ba6aba69e3b8ff37e4ac1e30725c2f365fdcf6990caf492N.exe"
    1⤵
    • 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:3664
    • 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:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\49EQRL8H\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Windows\apppatch\svchost.exe

    Filesize

    206KB

    MD5

    db4a69ad0670656a46c802d5d64b909f

    SHA1

    20a9079f974ff8e4da49c413a9a7abff24a8567d

    SHA256

    197fda9468d425703804f6be3a87177740a67a7bebfd17c9297ee160f081b226

    SHA512

    908c306ca9a1c709b6bcabd5e2b4c88763b0ea388b04ea1eccd8a54a57b17e4bcb9d3cd5bac5d9074932f1fd91820fd18bdf5d2c67f7807a7ef7022b14ef49f1

  • memory/3664-0-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/3664-1-0x00000000021E0000-0x0000000002232000-memory.dmp

    Filesize

    328KB

  • memory/3664-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3664-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3664-16-0x00000000021E0000-0x0000000002232000-memory.dmp

    Filesize

    328KB

  • memory/3664-14-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/4816-15-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/4816-18-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/4816-19-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/4816-20-0x0000000002A00000-0x0000000002AAA000-memory.dmp

    Filesize

    680KB

  • memory/4816-21-0x0000000000400000-0x0000000000492000-memory.dmp

    Filesize

    584KB

  • memory/4816-22-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-26-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-24-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-27-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-43-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-81-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-80-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-79-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-78-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-77-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-76-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-75-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-73-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-72-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-71-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-70-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-69-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-68-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-67-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-66-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-65-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-64-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-63-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-61-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-60-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-59-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-58-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-57-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-56-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-55-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-54-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-53-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-52-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-51-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-50-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-49-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-48-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-46-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-45-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-44-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-42-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-41-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-40-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-39-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-38-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-37-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-36-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-35-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-34-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-33-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-30-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-29-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-74-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-28-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-62-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-47-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-32-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB

  • memory/4816-31-0x0000000002BB0000-0x0000000002C67000-memory.dmp

    Filesize

    732KB