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Analysis

  • max time kernel
    141s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    28/07/2024, 01:16

General

  • Target

    61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe

  • Size

    784KB

  • MD5

    05de899a2e9b023f167c77e299c6ca01

  • SHA1

    c104b67a69944ed526d35c8810a11e149b4f940a

  • SHA256

    61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f

  • SHA512

    d2c9a18aeac3577e5b00e16e346fc9ec5afe9afa2a12535893801e801fc30c6a0f08f3d3d968df7489329181a236b8b9daee047d0eb2862856fe45181872bf9f

  • SSDEEP

    12288:sfcQ2enSVwLswxe1epJ4I/roVWBjIjh64kpLG/S:8v2enewAwxe1epuIcVGjIj0Sq

Malware Config

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe
    "C:\Users\Admin\AppData\Local\Temp\61f3166277da61645a945cade7db1e93c252da687fbbd3cd9da79f9720af052f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 100
        2⤵
        • Program crash
        PID:2840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2700-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2700-5-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2700-7-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2700-1-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2700-8-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2852-0-0x000000000041F000-0x0000000000420000-memory.dmp

      Filesize

      4KB

    • memory/2852-9-0x0000000000400000-0x00000000004BB000-memory.dmp

      Filesize

      748KB