Analysis

  • max time kernel
    290s
  • max time network
    182s
  • 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 04:47

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 9 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:2896
    • C:\ProgramData\DocumentsWindowsHolographicDevices-tupe1.8.7.6\DocumentsWindowsHolographicDevices-tupe1.8.7.6.exe
      "C:\ProgramData\DocumentsWindowsHolographicDevices-tupe1.8.7.6\DocumentsWindowsHolographicDevices-tupe1.8.7.6.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:4292

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\DocumentsWindowsHolographicDevices-tupe1.8.7.6\DocumentsWindowsHolographicDevices-tupe1.8.7.6.exe
    Filesize

    802.8MB

    MD5

    8273a608e12e9f1e23fa35d11bc61417

    SHA1

    2c3c87b11e73f0bc18c955b2e2a396780529f490

    SHA256

    d77cd4c8fd2a89535255fc7374bbf193a99d549dbd136d81998fd4fe832ba080

    SHA512

    cb3536fab075abd7d9c378983ca10b829731e6bded88e41c97e59a4ae2b64c32546c6b8f057f2a5ca3c42d39680a18c296aa25a4be83f7f0ce1df2934b2eecd3

  • C:\ProgramData\DocumentsWindowsHolographicDevices-tupe1.8.7.6\DocumentsWindowsHolographicDevices-tupe1.8.7.6.exe
    Filesize

    802.8MB

    MD5

    8273a608e12e9f1e23fa35d11bc61417

    SHA1

    2c3c87b11e73f0bc18c955b2e2a396780529f490

    SHA256

    d77cd4c8fd2a89535255fc7374bbf193a99d549dbd136d81998fd4fe832ba080

    SHA512

    cb3536fab075abd7d9c378983ca10b829731e6bded88e41c97e59a4ae2b64c32546c6b8f057f2a5ca3c42d39680a18c296aa25a4be83f7f0ce1df2934b2eecd3

  • memory/2896-121-0x00007FF660880000-0x00007FF661111000-memory.dmp
    Filesize

    8.6MB

  • memory/2896-122-0x00007FF660880000-0x00007FF661111000-memory.dmp
    Filesize

    8.6MB

  • memory/2896-124-0x00007FF660880000-0x00007FF661111000-memory.dmp
    Filesize

    8.6MB

  • memory/2896-130-0x00007FF660880000-0x00007FF661111000-memory.dmp
    Filesize

    8.6MB

  • memory/4292-132-0x00007FF687D70000-0x00007FF688601000-memory.dmp
    Filesize

    8.6MB

  • memory/4292-133-0x00007FF687D70000-0x00007FF688601000-memory.dmp
    Filesize

    8.6MB

  • memory/4292-134-0x00007FF687D70000-0x00007FF688601000-memory.dmp
    Filesize

    8.6MB