Analysis

  • max time kernel
    122s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2024, 02:57

General

  • Target

    f023cb3617d07be6cef888d4f6aaaa46_JaffaCakes118.exe

  • Size

    677KB

  • MD5

    f023cb3617d07be6cef888d4f6aaaa46

  • SHA1

    2114ddbda249521cb62a1ded94d93cd644903253

  • SHA256

    108ef7c575fb3aa9810370166e11de0f902dab76cf8d72c6ce014c128b224579

  • SHA512

    69b6bbbf75755afca17a9f15fd3a454655efd1160f2520f1174163652f5f8e637ed7dc5713045137248ae1ef5ce2275d504f351f2544a0796361afcf3b0347d6

  • SSDEEP

    12288:/Ii8gYhR3B+qfdY3ioNigyI9s3lYtUT+AJUmM3QA4H6kx:wi8gmiqFYiI9s3OmT+eyWH6kx

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f023cb3617d07be6cef888d4f6aaaa46_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f023cb3617d07be6cef888d4f6aaaa46_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\n1573\s1573.exe
      "C:\Users\Admin\AppData\Local\Temp\n1573\s1573.exe" eb8e0fa65583b8a8f6dc2050I4rx/3wbwmmtZm8kpL1XapZIsaMa73uDaUL54TnwEhN43IsCSgfEBXzDhXRFY8Ub2+fFAjXbI2c1xEvxioW9LpK28QWjvOmuwy1jEN1OnR7hUvx6O8G0BO6jcnAEZPBOraXTNiQjvlTAzWk9+xHitkbeeoGGMs2iFlUAzrl9 /v "C:\Users\Admin\AppData\Local\Temp\f023cb3617d07be6cef888d4f6aaaa46_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2224

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n1573\s1573.exe

          Filesize

          350KB

          MD5

          d438749bcfe5bcdf1d59cbbb82341315

          SHA1

          2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

          SHA256

          0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

          SHA512

          f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

        • memory/2224-12-0x00007FF9F9B40000-0x00007FF9FA4E1000-memory.dmp

          Filesize

          9.6MB

        • memory/2224-13-0x00007FF9F9B40000-0x00007FF9FA4E1000-memory.dmp

          Filesize

          9.6MB

        • memory/2224-14-0x0000000001240000-0x0000000001250000-memory.dmp

          Filesize

          64KB

        • memory/2224-28-0x000000001BF80000-0x000000001BF90000-memory.dmp

          Filesize

          64KB

        • memory/2224-31-0x000000001C6A0000-0x000000001CB6E000-memory.dmp

          Filesize

          4.8MB

        • memory/2224-32-0x000000001CC10000-0x000000001CCAC000-memory.dmp

          Filesize

          624KB

        • memory/2224-33-0x0000000001240000-0x0000000001250000-memory.dmp

          Filesize

          64KB

        • memory/2224-34-0x000000001CE00000-0x000000001CE62000-memory.dmp

          Filesize

          392KB

        • memory/2224-35-0x0000000001240000-0x0000000001250000-memory.dmp

          Filesize

          64KB

        • memory/2224-36-0x0000000021700000-0x0000000021C0E000-memory.dmp

          Filesize

          5.1MB

        • memory/2224-38-0x00007FF9F9B40000-0x00007FF9FA4E1000-memory.dmp

          Filesize

          9.6MB