Overview

overview

9

Static

static

3

91bb1e6c58...18.exe

windows7-x64

9

91bb1e6c58...18.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    133s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 12:08

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General

  • Target
    91bb1e6c58bfd6f74e10f8c42d102511_JaffaCakes118.exe
  • Size 115KB
  • Sample240603-pa5hrafb64
  • SHA256 77644cc37e18603604cc8c54d689d429bbbdacd7ec147b5d60a3d6f7e3ec4393
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
evasion

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    evasion
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91bb1e6c58bfd6f74e10f8c42d102511_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\91bb1e6c58bfd6f74e10f8c42d102511_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\upda62bed4b.bat"
      2⤵
        PID:5016
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1304,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /prefetch:8
      1⤵
        PID:3460

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            upda62bed4b.bat
            • Path C:\Users\Admin\AppData\Local\Temp\upda62bed4b.bat
            • Size 277B
            • SHA256 341a89b875239dfaf29a22b66490803040ca4239377dac3efd9af1c598c57809
            • MD5 SHA1 SHA512
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