Analysis

  • max time kernel
    31s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12/11/2024, 13:53

General

  • Target

    40a8661f26ac2485ad055e05bd6dd6f88a895013818fe4d8743a0304b8a83d01N.exe

  • Size

    312KB

  • MD5

    c3fea3be17f15962c66b77e2fcc3b080

  • SHA1

    647207c2745ff5d9d0dadee140f55905b543e8ca

  • SHA256

    40a8661f26ac2485ad055e05bd6dd6f88a895013818fe4d8743a0304b8a83d01

  • SHA512

    01924b7181e9eba4b142a5114b625f2f4784a5c724e9b6d01f46f8f5f91d54b7ff1700ea8d9059600a8183ace40d45c386c8ab1415e4e86e2aa6dd62ea40ccda

  • SSDEEP

    6144:YGOXfUdRT6mCo4Em3d1k91UmaFycSbGqJWs6eQ/gM:YGOSRT6mChEm3dOXURtS96H/gM

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files 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 use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40a8661f26ac2485ad055e05bd6dd6f88a895013818fe4d8743a0304b8a83d01N.exe
    "C:\Users\Admin\AppData\Local\Temp\40a8661f26ac2485ad055e05bd6dd6f88a895013818fe4d8743a0304b8a83d01N.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    PID:1508
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {5942D638-A7BF-45C9-AF24-5A9427963D56} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\PROGRA~3\Mozilla\yofzeuh.exe
      C:\PROGRA~3\Mozilla\yofzeuh.exe -qmgjyzc
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\PROGRA~3\Mozilla\yofzeuh.exe

          Filesize

          312KB

          MD5

          6edbd6bc9feead8416e498cafaf01533

          SHA1

          8f3e7bf3590cbaa3c6755cb6cc7c0b1d0704f7a2

          SHA256

          ef7d33120d3ed18d02e630d4f3d46f11d6b01f0decad0e75766e37eb29cab96c

          SHA512

          e3b41e692dbbb35efde767605c70489fb7b2ccc6c57f00f6cd8a514e6d3ef24d3a17aefe31fa576723286c527ae915109fc988e8aa2d77fae6adaf4782832866

        • memory/1508-0-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/1508-2-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/1508-1-0x0000000000250000-0x00000000002AC000-memory.dmp

          Filesize

          368KB

        • memory/1508-4-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2940-7-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2940-8-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB

        • memory/2940-10-0x0000000000400000-0x000000000045B000-memory.dmp

          Filesize

          364KB