Analysis

  • max time kernel
    141s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/02/2024, 20:36

General

  • Target

    90186660223b10689995f99b9ec1b245.exe

  • Size

    100KB

  • MD5

    90186660223b10689995f99b9ec1b245

  • SHA1

    6efc5071a3f131023ece90cab2d4d24de691a35e

  • SHA256

    d3a0e46dd708e300cc134bc5081fabb7f7af1f162a17212eaa9428afa85b6373

  • SHA512

    7ceb52f8dccd7d6819e6db946d87662de3f3634e3a2f0f418294fe91594962f23ed708ed648436483730ae8b0c67f899b73538cdcc602b30acf7f14121f9446c

  • SSDEEP

    3072:T62a/VuaJaEpBD/E56dAGo+f+R004W6/W9PR7GOiBfn4ilf:Tz5eHfi0pWtlI4ef

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe
    "C:\Users\Admin\AppData\Local\Temp\90186660223b10689995f99b9ec1b245.exe"
    1⤵
    • Checks computer location settings
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\901866~1.EXE >> NUL
      2⤵
        PID:4088

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads