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Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2023, 02:16

General

  • Target

    242fb5498503fdae24861ca26f762745.exe

  • Size

    188KB

  • MD5

    242fb5498503fdae24861ca26f762745

  • SHA1

    e45e4180137ea7c9d81f127fac0af48cf3b4e8d7

  • SHA256

    7984d85806d611e8d7e3ec5640186ebce9b1daccbd07a4bbda0fc6e0e5666299

  • SHA512

    5717a9d38ff151384fe522b5b55f7a4882bcb897d65d1c9fbd0b155f05138cc698db39805d34150daf5260906d8e09d6d752190e7d681eb181eb3569378a48fd

  • SSDEEP

    3072:F+ogFpSWSqqbZ0ZEuwGE5pwFGHiG1InFGHiPZEuwGE5p:F+7AtqqbZFfGE5pakipkiufGE5p

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\242fb5498503fdae24861ca26f762745.exe
    "C:\Users\Admin\AppData\Local\Temp\242fb5498503fdae24861ca26f762745.exe"
    1⤵
    • Checks QEMU agent file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5028
    • C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Users\Admin\AppData\Local\Temp\242fb5498503fdae24861ca26f762745.exe"
      2⤵
        PID:448
      • C:\Program Files (x86)\internet explorer\ieinstal.exe
        "C:\Users\Admin\AppData\Local\Temp\242fb5498503fdae24861ca26f762745.exe"
        2⤵
        • Checks QEMU agent file
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        PID:1620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1620-5-0x00000000008A0000-0x00000000009A0000-memory.dmp

      Filesize

      1024KB

    • memory/1620-6-0x00000000008A0000-0x00000000009A0000-memory.dmp

      Filesize

      1024KB

    • memory/1620-8-0x00000000778E1000-0x0000000077A01000-memory.dmp

      Filesize

      1.1MB

    • memory/1620-10-0x00000000008A0000-0x00000000009A0000-memory.dmp

      Filesize

      1024KB

    • memory/5028-2-0x00000000020F0000-0x0000000002106000-memory.dmp

      Filesize

      88KB

    • memory/5028-3-0x00000000778E1000-0x0000000077A01000-memory.dmp

      Filesize

      1.1MB

    • memory/5028-4-0x00000000778E1000-0x0000000077A01000-memory.dmp

      Filesize

      1.1MB

    • memory/5028-7-0x00000000020F0000-0x0000000002106000-memory.dmp

      Filesize

      88KB

    • memory/5028-11-0x00000000020F0000-0x0000000002106000-memory.dmp

      Filesize

      88KB