Analysis

  • max time kernel
    291s
  • max time network
    174s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    21-03-2023 22:17

General

  • Target

    449adac1f0940043f26ab1a8b91748360b4d7d9759108d3db6669edd758129cb.exe

  • Size

    5.6MB

  • MD5

    c5d71dbbbc50db8c2762835e83e0bd9c

  • SHA1

    e266d9870fcf13d7072e9e7a6a881a239ac0c523

  • SHA256

    449adac1f0940043f26ab1a8b91748360b4d7d9759108d3db6669edd758129cb

  • SHA512

    4ff07f801849131e621f7fa605c4215f3bd1c4229e1de99b23f3fc7c07c0a798935cb590fa9ea0b9fee1422f771198bbb84a58ad128743e7e90580fb29304bdc

  • SSDEEP

    98304:H7nk+M3jECnNQJkMn33Mbz0Hy5SF+EaIFKedyFY1+EgYO6wLujDo8E+7LtJqfjXC:YLzhMCpQ+1edyePg969JTEX6NZ

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 11 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\449adac1f0940043f26ab1a8b91748360b4d7d9759108d3db6669edd758129cb.exe
    "C:\Users\Admin\AppData\Local\Temp\449adac1f0940043f26ab1a8b91748360b4d7d9759108d3db6669edd758129cb.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:4124
    • C:\ProgramData\TemplatesSoftwareDistribution-tupe1.5.4.4\TemplatesSoftwareDistribution-tupe1.5.4.4.exe
      "C:\ProgramData\TemplatesSoftwareDistribution-tupe1.5.4.4\TemplatesSoftwareDistribution-tupe1.5.4.4.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\TemplatesSoftwareDistribution-tupe1.5.4.4\TemplatesSoftwareDistribution-tupe1.5.4.4.exe

    Filesize

    784.2MB

    MD5

    796cc69cd265c01249f11792fb2a0e3d

    SHA1

    2756f5dfbf1605f7b1c1ab608d69e3c32c644a86

    SHA256

    978d9c30cfa6b780f2620c9213cddff8306342c800031df5342f8225861521bc

    SHA512

    e7283ad5d78bf160b9ccb96c535f868bc11ca59a9833f0921edd6b254fd597c6a9ada3a661828c2596f0a3b5cda31493cec98e7d194ebc1f3fc37462369de6ae

  • C:\ProgramData\TemplatesSoftwareDistribution-tupe1.5.4.4\TemplatesSoftwareDistribution-tupe1.5.4.4.exe

    Filesize

    784.2MB

    MD5

    796cc69cd265c01249f11792fb2a0e3d

    SHA1

    2756f5dfbf1605f7b1c1ab608d69e3c32c644a86

    SHA256

    978d9c30cfa6b780f2620c9213cddff8306342c800031df5342f8225861521bc

    SHA512

    e7283ad5d78bf160b9ccb96c535f868bc11ca59a9833f0921edd6b254fd597c6a9ada3a661828c2596f0a3b5cda31493cec98e7d194ebc1f3fc37462369de6ae

  • memory/1768-127-0x00007FF7D50F0000-0x00007FF7D5981000-memory.dmp

    Filesize

    8.6MB

  • memory/1768-128-0x00007FF7D50F0000-0x00007FF7D5981000-memory.dmp

    Filesize

    8.6MB

  • memory/1768-129-0x00007FF7D50F0000-0x00007FF7D5981000-memory.dmp

    Filesize

    8.6MB

  • memory/1768-130-0x00007FF7D50F0000-0x00007FF7D5981000-memory.dmp

    Filesize

    8.6MB

  • memory/4124-116-0x00007FF69D6A0000-0x00007FF69DF31000-memory.dmp

    Filesize

    8.6MB

  • memory/4124-117-0x00007FF69D6A0000-0x00007FF69DF31000-memory.dmp

    Filesize

    8.6MB

  • memory/4124-118-0x00007FF69D6A0000-0x00007FF69DF31000-memory.dmp

    Filesize

    8.6MB

  • memory/4124-122-0x00007FF69D6A0000-0x00007FF69DF31000-memory.dmp

    Filesize

    8.6MB

  • memory/4124-126-0x00007FF69D6A0000-0x00007FF69DF31000-memory.dmp

    Filesize

    8.6MB