Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2024, 20:00

General

  • Target

    3e1df0dcc1f6f062e581b21202ac5696a036833510c38277319bb319ecc1649a.exe

  • Size

    206KB

  • MD5

    a239e56e38b5a26a20301f0ca2443681

  • SHA1

    2f7598afb29f562bb0d72ef500fc3d25a9a46393

  • SHA256

    3e1df0dcc1f6f062e581b21202ac5696a036833510c38277319bb319ecc1649a

  • SHA512

    f95373924ea8192cd83eaac9b7b853df964aa81a5b81c9e30e9f13135736d6ca69ece6f6b1bc9eb565805330a8ae2c02caf3367f842eee7d7c9e152338dfd465

  • SSDEEP

    6144:X+EqFQ9A9ty5bhJcrs0MurPw/c4hd/B/coyXT3nOGX6T+:X+U9qyFhJy56d/eoyXjn9W+

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

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in Program Files directory 15 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 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e1df0dcc1f6f062e581b21202ac5696a036833510c38277319bb319ecc1649a.exe
    "C:\Users\Admin\AppData\Local\Temp\3e1df0dcc1f6f062e581b21202ac5696a036833510c38277319bb319ecc1649a.exe"
    1⤵
    • Loads dropped DLL
    • 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:1940
    • 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:2516

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Low\Content.IE5\2Q91NL48\login[1].htm

          Filesize

          168B

          MD5

          d57e3a550060f85d44a175139ea23021

          SHA1

          2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

          SHA256

          43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

          SHA512

          0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

        • \Windows\AppPatch\svchost.exe

          Filesize

          206KB

          MD5

          e4d55db0b7ffa8878b803c38cd44a443

          SHA1

          942292ba9f6733299eefc3132be043f4daae05b4

          SHA256

          395769d3c47b7f6e100de69611dd580f60508a8ca9af66426696ee139c1b99a2

          SHA512

          170a35926ddfacac5c2e1ad5ef33f592e5e0a3eb6c0f59e8eb1cec6a6b8608f6a960170a7136cad1f96dd4b11e57d6b8d6062c43c3e22d7e98ccb4067f044e99

        • memory/1940-0-0x0000000000400000-0x0000000000495000-memory.dmp

          Filesize

          596KB

        • memory/1940-1-0x0000000001C90000-0x0000000001CE2000-memory.dmp

          Filesize

          328KB

        • memory/1940-2-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1940-20-0x0000000000400000-0x000000000045F000-memory.dmp

          Filesize

          380KB

        • memory/1940-19-0x0000000001C90000-0x0000000001CE2000-memory.dmp

          Filesize

          328KB

        • memory/1940-18-0x0000000000400000-0x0000000000495000-memory.dmp

          Filesize

          596KB

        • memory/2516-21-0x0000000000400000-0x0000000000495000-memory.dmp

          Filesize

          596KB

        • memory/2516-22-0x0000000000400000-0x0000000000495000-memory.dmp

          Filesize

          596KB

        • memory/2516-23-0x0000000000400000-0x0000000000495000-memory.dmp

          Filesize

          596KB

        • memory/2516-26-0x00000000022C0000-0x000000000236A000-memory.dmp

          Filesize

          680KB

        • memory/2516-34-0x00000000022C0000-0x000000000236A000-memory.dmp

          Filesize

          680KB

        • memory/2516-32-0x00000000022C0000-0x000000000236A000-memory.dmp

          Filesize

          680KB

        • memory/2516-35-0x0000000000400000-0x0000000000495000-memory.dmp

          Filesize

          596KB

        • memory/2516-28-0x00000000022C0000-0x000000000236A000-memory.dmp

          Filesize

          680KB

        • memory/2516-30-0x00000000022C0000-0x000000000236A000-memory.dmp

          Filesize

          680KB

        • memory/2516-24-0x00000000022C0000-0x000000000236A000-memory.dmp

          Filesize

          680KB

        • memory/2516-36-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-38-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-41-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-45-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-50-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-84-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-86-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-85-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-83-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-82-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-81-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-80-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-79-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-77-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-76-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-75-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-74-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-73-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-72-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-71-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-70-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-69-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-68-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-67-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-66-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-64-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-63-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-62-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-61-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-60-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-59-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-58-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-57-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-56-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-54-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-53-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-52-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-51-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-49-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-48-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-78-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-47-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-46-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-44-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-65-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-42-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-55-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB

        • memory/2516-43-0x0000000002470000-0x0000000002527000-memory.dmp

          Filesize

          732KB