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Analysis

  • max time kernel
    93s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/05/2024, 23:02

General

  • Target

    8533d0db40534fbc6caa2bd9d9d19e69_JaffaCakes118.exe

  • Size

    675KB

  • MD5

    8533d0db40534fbc6caa2bd9d9d19e69

  • SHA1

    c77f2c81c2ee4fd02235eebe1577cece255e5a3d

  • SHA256

    0543d6052b8766e0038703b30bb223c82be4910bcd7156baef62e93bc12e55f8

  • SHA512

    6e1b516ff7e42d4b2f516ff84a80903735437871614b00d0395adfe6fb23589510d0af39a22199dd78ef4486f0bd6798bf3a2846833d8495023def2f9bd99095

  • SSDEEP

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

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\8533d0db40534fbc6caa2bd9d9d19e69_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8533d0db40534fbc6caa2bd9d9d19e69_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:4468
    • C:\Users\Admin\AppData\Local\Temp\n886\s886.exe
      "C:\Users\Admin\AppData\Local\Temp\n886\s886.exe" f0e180a58842a0ebf9852df8WWaLwuz0R5BUd8R22VpKgWB1wUwfs5UtphYVW89R/fNN69OeqKfgBiHEp4UYLFUYlgC51If64tENGafDTZOGE10prDe0S8uC728wD6qBf/+TqExwWqQDjk+geTk5QBAy8Ak4xkDEzm1TNxYHCep4tiXGQ5Ba0TfLLt8CmZ+O /v "C:\Users\Admin\AppData\Local\Temp\8533d0db40534fbc6caa2bd9d9d19e69_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:4420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n886\s886.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/4420-12-0x00007FFE999C5000-0x00007FFE999C6000-memory.dmp

    Filesize

    4KB

  • memory/4420-13-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-29-0x000000001C100000-0x000000001C110000-memory.dmp

    Filesize

    64KB

  • memory/4420-32-0x000000001C720000-0x000000001CBEE000-memory.dmp

    Filesize

    4.8MB

  • memory/4420-33-0x000000001CC90000-0x000000001CD2C000-memory.dmp

    Filesize

    624KB

  • memory/4420-34-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-35-0x000000001CE80000-0x000000001CEE2000-memory.dmp

    Filesize

    392KB

  • memory/4420-36-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-37-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-38-0x000000001C120000-0x000000001C128000-memory.dmp

    Filesize

    32KB

  • memory/4420-39-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-40-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-41-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-42-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-43-0x000000001E810000-0x000000001E94C000-memory.dmp

    Filesize

    1.2MB

  • memory/4420-44-0x00000000209D0000-0x0000000020EDE000-memory.dmp

    Filesize

    5.1MB

  • memory/4420-45-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-46-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-47-0x00007FFE999C5000-0x00007FFE999C6000-memory.dmp

    Filesize

    4KB

  • memory/4420-48-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB

  • memory/4420-50-0x00007FFE99710000-0x00007FFE9A0B1000-memory.dmp

    Filesize

    9.6MB