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Analysis

  • max time kernel
    133s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2024, 18:24

General

  • Target

    6bdb2b9e429adf2ddae06fda122f3545_JaffaCakes118.exe

  • Size

    675KB

  • MD5

    6bdb2b9e429adf2ddae06fda122f3545

  • SHA1

    425fc73f067adf6ebaa8ae8fb2a0d0797f143ea8

  • SHA256

    16125cd0d4e59a7012726dd9c6ef386ab5a3c54ac37ba8cc4205523a28252411

  • SHA512

    719612ab6b9598d76201d5aa4161b9777241fe76b0edd9b1c2aef61fd01a97503ecaab2b9d3386c3b6189df032abf4ea43366b4196bad98e88f0df14ac5a2967

  • SSDEEP

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

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\6bdb2b9e429adf2ddae06fda122f3545_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6bdb2b9e429adf2ddae06fda122f3545_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:3972
    • C:\Users\Admin\AppData\Local\Temp\n2899\s2899.exe
      "C:\Users\Admin\AppData\Local\Temp\n2899\s2899.exe" 70ca5dfe35c1d22cdb95a72fz5/zgrD22CnmeivylXxxXeOObp0zZ3lmIaBB0uU6jaowjy5kfbEewSS5nKYKpuVEyrJ8g/myb8T63v83hUHu4ajc2YzvlwjP+OiA3iRIZEXp0H74ZG3JxA8dZX5gY5ChntzZnzBZq/kY0vAaOB2ZiZIa7y223i7mDTP0ZHB8 /v "C:\Users\Admin\AppData\Local\Temp\6bdb2b9e429adf2ddae06fda122f3545_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:4208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2899\s2899.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/4208-12-0x00007FFAC12F5000-0x00007FFAC12F6000-memory.dmp

    Filesize

    4KB

  • memory/4208-13-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-29-0x000000001C2E0000-0x000000001C2F0000-memory.dmp

    Filesize

    64KB

  • memory/4208-32-0x000000001CE00000-0x000000001D2CE000-memory.dmp

    Filesize

    4.8MB

  • memory/4208-33-0x000000001D2D0000-0x000000001D36C000-memory.dmp

    Filesize

    624KB

  • memory/4208-34-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-35-0x000000001D470000-0x000000001D4D2000-memory.dmp

    Filesize

    392KB

  • memory/4208-36-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-37-0x000000001C380000-0x000000001C388000-memory.dmp

    Filesize

    32KB

  • memory/4208-38-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-39-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-40-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-41-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-42-0x000000001EDC0000-0x000000001EEFC000-memory.dmp

    Filesize

    1.2MB

  • memory/4208-43-0x00000000210C0000-0x00000000215CE000-memory.dmp

    Filesize

    5.1MB

  • memory/4208-44-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-45-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-46-0x00007FFAC12F5000-0x00007FFAC12F6000-memory.dmp

    Filesize

    4KB

  • memory/4208-47-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-48-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-50-0x00007FFAC1040000-0x00007FFAC19E1000-memory.dmp

    Filesize

    9.6MB