Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/05/2024, 11:05

General

  • Target

    80871404e9d82fe7f38a1f24de892b38_JaffaCakes118.exe

  • Size

    675KB

  • MD5

    80871404e9d82fe7f38a1f24de892b38

  • SHA1

    84bf31667368cc7dbe54b79a7ecf41428800a849

  • SHA256

    20a75928a5cdc2f9ac4f2dc2825158bc5ea490b152b0ce9e21b6aafa597c2d91

  • SHA512

    25a7613da6651278298d98a8c7ed5b4016954dd6fd7e30a0bc36348e80c855548426fdf0efd854e25ae30eee42a607f1cbce7fde23d08e7cf93fd7405b909bd6

  • SSDEEP

    12288:vNxt2GCQZwqLIMRBeZHaElEZlBiZGXEtdrIsydYSYjXDwiYhT+63Y:1xt2n6IQ2aEiriZUEtqr+ljXUiYF+63Y

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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\80871404e9d82fe7f38a1f24de892b38_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\80871404e9d82fe7f38a1f24de892b38_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:2992
    • C:\Users\Admin\AppData\Local\Temp\n4259\s4259.exe
      "C:\Users\Admin\AppData\Local\Temp\n4259\s4259.exe" 68050766a6058e24307ca223h4ltB1JGUpDbL8FEK/2ELGOJOhSoOCgKT07b5d19uP3e3Yf4QBAhGw0yVfbdclBw4ks8HjcOOLvabLi1LKXcYNTrDLol4oGgF+xsWwmF3WLZthSTEUsUEwVhjbVchtgStoPdCtlqsHrxz/1Mv19Sq+PTmO98nv5w+AB284o2 /v "C:\Users\Admin\AppData\Local\Temp\80871404e9d82fe7f38a1f24de892b38_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
      • Suspicious use of SetWindowsHookEx
      PID:3452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4259\s4259.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/3452-12-0x00007FF8B2355000-0x00007FF8B2356000-memory.dmp

    Filesize

    4KB

  • memory/3452-13-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-28-0x000000001C240000-0x000000001C250000-memory.dmp

    Filesize

    64KB

  • memory/3452-31-0x000000001CC70000-0x000000001D13E000-memory.dmp

    Filesize

    4.8MB

  • memory/3452-32-0x000000001D1E0000-0x000000001D27C000-memory.dmp

    Filesize

    624KB

  • memory/3452-33-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-34-0x000000001D3D0000-0x000000001D432000-memory.dmp

    Filesize

    392KB

  • memory/3452-35-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-36-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-37-0x000000001BF10000-0x000000001BF18000-memory.dmp

    Filesize

    32KB

  • memory/3452-38-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-39-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-40-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-41-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-42-0x0000000020C50000-0x0000000020D8C000-memory.dmp

    Filesize

    1.2MB

  • memory/3452-43-0x00000000212A0000-0x00000000217AE000-memory.dmp

    Filesize

    5.1MB

  • memory/3452-44-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-45-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-46-0x00007FF8B2355000-0x00007FF8B2356000-memory.dmp

    Filesize

    4KB

  • memory/3452-47-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-48-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB

  • memory/3452-50-0x00007FF8B20A0000-0x00007FF8B2A41000-memory.dmp

    Filesize

    9.6MB