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
    21-12-2024 23:25

General

  • Target

    a96a3cc5c7a0255a70745c27a7f93d086eadf9923cac2e4ba924384697d321a9N.exe

  • Size

    358KB

  • MD5

    ee8c77c30e174e9ce0bd1fd794333e30

  • SHA1

    f20517787d9f54850032c9927b1f79b27f9e132f

  • SHA256

    a96a3cc5c7a0255a70745c27a7f93d086eadf9923cac2e4ba924384697d321a9

  • SHA512

    425bbdf3f56227d772a417594a539bfe1864303d8ac5cc0cfc544cd9480984488831f933eca32a32b9358e9be2754aff2c5ae681255c14ad2b91bb3a734ba770

  • SSDEEP

    6144:oXRcmWhxR1arY/PbgmFOabPIIBhJXAv7eTY9suz0xhttGSrDKE3KIQvSka8bj:oCmWTR1arYnEKosuzY34CZ3DQvSkN

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 9 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\a96a3cc5c7a0255a70745c27a7f93d086eadf9923cac2e4ba924384697d321a9N.exe
    "C:\Users\Admin\AppData\Local\Temp\a96a3cc5c7a0255a70745c27a7f93d086eadf9923cac2e4ba924384697d321a9N.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:224
    • 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:1172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    358KB

    MD5

    f47791e9ffff4bab86450645610346ff

    SHA1

    34b88aaab98ab75841d6f7d6148db38641a3bc66

    SHA256

    0254d4e3c29c956546f5e8970cfef5e6643eb83d3a09b1230ebb13f49fa098e2

    SHA512

    5e2b554e7dcac2713854add3839474e9c48a938a3f8c7ae701a96469a7384072892bce89a43ecbf460791a16e618552cb669e00f8a445be6e18ccd956de6b550

  • memory/224-11-0x00000000004C0000-0x000000000051F000-memory.dmp

    Filesize

    380KB

  • memory/1172-12-0x0000000003070000-0x000000000311A000-memory.dmp

    Filesize

    680KB

  • memory/1172-15-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-13-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-17-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-41-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-50-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-75-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-73-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-71-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-70-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-69-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-68-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-66-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-65-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-64-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-63-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-62-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-61-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-60-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-59-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-56-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-55-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-54-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-53-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-52-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-51-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-49-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-48-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-47-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-46-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-45-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-44-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-43-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-42-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-40-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-39-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-38-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-37-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-36-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-35-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-34-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-33-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-32-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-31-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-30-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-29-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-28-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-26-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-25-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-24-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-22-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-23-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-21-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-19-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-72-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-67-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-58-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-57-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-18-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-27-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-20-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB

  • memory/1172-158-0x0000000003500000-0x00000000035B7000-memory.dmp

    Filesize

    732KB