Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-10-2024 19:01

General

  • Target

    23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe

  • Size

    61KB

  • MD5

    23e8858a3f412190e31be918bb91c72b

  • SHA1

    355e30d1259d02a805a5a8d00848413321ceadd1

  • SHA256

    db6ded62d80e29a35b0a3fd6613fea1e65cc3cece41c6e281426d5cf5ff77e51

  • SHA512

    16af337585d5fb7d4055fdb1feabc3c1707af33e13c99ccc7c0575f153e821eb556a0a10381a4d087d17811e948d88a8a429b06cd53b149a2f288b6b4665cdb6

  • SSDEEP

    768:9KsMqCXfVcWO/M9ZkiANIU+sYLDwUzc80gmq3oP/oDz:9KseiM9ZkiAPEr/0O8/o/

Malware Config

Signatures

  • Nitro

    A ransomware that demands Discord nitro gift codes to decrypt files.

  • Renames multiple (76) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\23e8858a3f412190e31be918bb91c72b_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1908
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1908-0-0x000000007478E000-0x000000007478F000-memory.dmp

    Filesize

    4KB

  • memory/1908-1-0x0000000000010000-0x0000000000026000-memory.dmp

    Filesize

    88KB

  • memory/1908-2-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1908-16-0x000000007478E000-0x000000007478F000-memory.dmp

    Filesize

    4KB

  • memory/1908-19-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1908-84-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1908-85-0x0000000074780000-0x0000000074E6E000-memory.dmp

    Filesize

    6.9MB