Analysis

  • max time kernel
    39s
  • max time network
    46s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2024 19:46

General

  • Target

    desync.exe

  • Size

    7.6MB

  • MD5

    7a15474ad603daa01797d79bb62e175a

  • SHA1

    888862cdab8da414fb6840c5eebcdd61ce669e21

  • SHA256

    81caa3adef4253955af7d8e935d6c6d3c3fb6134fdb9a37e46a3da4695136154

  • SHA512

    569bba67fcaf64560409cbde165136bc5148de426314b74d89c33112098d75066c7afb8bb4767ed47fa068c78f1eca8abe5a45907960be4c584045b4c4bef41d

  • SSDEEP

    196608:la3mPC8AJfo8ARlJwONkYCamxR2qL9feH0WFOktv0S:I3mC8ufdWlJwONkDamr2qLpeBOYv0S

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Themida packer 11 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\desync.exe
    "C:\Users\Admin\AppData\Local\Temp\desync.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:2456
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /C Get-Service -Name WpnUserService* | Restart-Service -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hjbenymo.ibi.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2456-7-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-2-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-4-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-3-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-6-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-0-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-5-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-1-0x00007FFF9AC10000-0x00007FFF9AC12000-memory.dmp

    Filesize

    8KB

  • memory/2456-22-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-23-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-25-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/2456-26-0x00007FF77FB30000-0x00007FF780D4B000-memory.dmp

    Filesize

    18.1MB

  • memory/3292-10-0x000001D35AFA0000-0x000001D35AFC2000-memory.dmp

    Filesize

    136KB