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Overview

overview

7

Static

static

3

INVOICE.exe

windows7-x64

7

INVOICE.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/07/2023, 05:50

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General

  • Target

    INVOICE.exe

  • Size

    369KB

  • MD5

    304982562295bef516f43831130c84a2

  • SHA1

    5ac0bee1956d264b88baff846ccbc7360ceb9291

  • SHA256

    ce95bf97082a2895a94b3ddd23d9906f4101bc7cbedb4bcf3d0dab94e834aaab

  • SHA512

    6199c3a0a4091e3b5cea65a8e7a4f840ffb69aaca6c0ea2d37ab53791bd46f6a8675e78837146d8356535d4bff8e544ebb636904ad4848e2133c79bfa7367a83

  • SSDEEP

    6144:/Ya6lk/PHuX3HoRnK1bwQcynCvbneGLtiauZx1AODRvGIz0LVxe:/Y/kHH+3H2K1cSnC3AwODRHz0Vxe

Score
7/10
persistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
    "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4652
    • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4104
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k netsvcs -p
    1⤵
      PID:4872

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsi8DEA.tmp\biojjz.dll
      Filesize

      277KB

      MD5

      9f46f30bebe0ae25d0ffd3cc7915d199

      SHA1

      73d5251dde048fce6b752babe024c5aad40c0226

      SHA256

      3a3d662504f598fe03142d4445f9dc2c9c0ff4e012db975fc7afc9373e988c55

      SHA512

      7aca1e0c82a67dd7a497ebb5d3b0633323087d3ebf753bcbc4ea4032e0bf348ed78a6af84d0fcb9cb56aefd293405408c48bf85749a1166a9a749d0db9a0f558

      Download Submit

    • memory/4104-140-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

      Download

    • memory/4104-141-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

      Download

    • memory/4104-142-0x0000000000A10000-0x0000000000D5A000-memory.dmp

      Filesize

      3.3MB

      Download

    • memory/4104-143-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

      Download