Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 00:01

General

  • Target

    8e69a423dcb06d7eb631d4f82e83497a6c74b9251610c58173ae9b0659aee94d.exe

  • Size

    204KB

  • MD5

    102641a03598e957d135a83841780488

  • SHA1

    a4ff3bed663a7b2d73b15db725ab0b00dfe4495b

  • SHA256

    8e69a423dcb06d7eb631d4f82e83497a6c74b9251610c58173ae9b0659aee94d

  • SHA512

    9865dbe6bbdec21216f12bd5cff75c7eaf2e84c3bcc21d39c943efaff396cf8512c5c04620d90eaa3f216e425ce84c8feb3b61f7c98609f983f2dd00f9af9fda

  • SSDEEP

    768:LlvMavNJsP8RSzkIOokwbjMPkG1VuW/wqvRXMXp677yCzdXZRT2Nq1MaQnepMriF:LRlVJNRSzvOylGVs4emEFb3P0lp

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e69a423dcb06d7eb631d4f82e83497a6c74b9251610c58173ae9b0659aee94d.exe
    "C:\Users\Admin\AppData\Local\Temp\8e69a423dcb06d7eb631d4f82e83497a6c74b9251610c58173ae9b0659aee94d.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Users\Admin\maoluf.exe
      "C:\Users\Admin\maoluf.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\maoluf.exe

    Filesize

    204KB

    MD5

    eef88dfe06826dd68785ee17ae9d4baa

    SHA1

    15701739dd47ab0f172f91456779c5b89c826cab

    SHA256

    d9cc40f3ef46ed7d83dd66bfdb6d388ef1f11b88d7e2648712db57499819c568

    SHA512

    7ccdb587dd13ae279f9697b6a810b9c5ec5f9c8e42148d905bc5b7ffb3ae349f365f96cf37f94901b62916a33a78eb71303adc8852b5182d381416d4e96adc0a

  • memory/4288-0-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/4288-37-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/4660-34-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB

  • memory/4660-38-0x0000000000400000-0x0000000000443000-memory.dmp

    Filesize

    268KB