Resubmissions

28-04-2024 01:33

240428-byl5esdb52 9

28-04-2024 01:29

240428-bwmm6sdd6y 9

Analysis

  • max time kernel
    11s
  • max time network
    4s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-04-2024 01:33

General

  • Target

    goldgoldogldolgoldoglgoldfoldgoldogl.exe

  • Size

    5.7MB

  • MD5

    d1537172b59fb75bc967366a7753c09a

  • SHA1

    b425193c73307efb699d35aa2fae1342870a7dd1

  • SHA256

    88595ad1c40c4faca9fbd5e6ca7b9a6362528fdbfa81d73334a9c1ce76beaeeb

  • SHA512

    0c13c4da8369c351fdf00ab41c6b105e9eaf59352b914e762da5c5d5c648d579527d26c7c45d38f804f931565fc9f46e01b7ceb7f498f5a34cc0f44d072bf132

  • SSDEEP

    98304:h/WMW3SID8VwnLrzpKIXW1gnHjDwkCjM59H:gMW3WVWzpKIJH3wkCjM59H

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\goldgoldogldolgoldoglgoldfoldgoldogl.exe
    "C:\Users\Admin\AppData\Local\Temp\goldgoldogldolgoldoglgoldfoldgoldogl.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c cls
      2⤵
        PID:4064

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    2
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\temp_file198
      Filesize

      830KB

      MD5

      633efdcf48806762d6966f68e5cd316b

      SHA1

      684a3515961fc122822281ff6d8794e2973aec3b

      SHA256

      9587c902fdc552fd8a879dee885a0194f33fac8bac5ac99948cf7357ad4998b7

      SHA512

      e116dd8c7717e695c51cf7bc96485968d2b79379fd0ab47392d968a63a0765e63811b0f23cd4e8ddcc2be7213fb27979629a4cf6de2eaad934de2d61d0351d0e

    • memory/2524-0-0x0000000140000000-0x00000001405BA000-memory.dmp
      Filesize

      5.7MB

    • memory/2524-1-0x00007FFC6A820000-0x00007FFC6AA29000-memory.dmp
      Filesize

      2.0MB

    • memory/2524-2-0x0000000140000000-0x00000001405BA000-memory.dmp
      Filesize

      5.7MB

    • memory/2524-9-0x0000000140000000-0x00000001405BA000-memory.dmp
      Filesize

      5.7MB

    • memory/2524-11-0x0000000140000000-0x00000001405BA000-memory.dmp
      Filesize

      5.7MB

    • memory/2524-12-0x00007FFC6A820000-0x00007FFC6AA29000-memory.dmp
      Filesize

      2.0MB