Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 04:50

General

  • Target

    bdec8865e624dae2383d2fda11e44078_JaffaCakes118.exe

  • Size

    502KB

  • MD5

    bdec8865e624dae2383d2fda11e44078

  • SHA1

    5c01005faaf9a74add894274b58827b73d264d8b

  • SHA256

    a696cac7fa86028b6a11fb1cebc3c2c203818086472511fd9dfa01206b4d8718

  • SHA512

    0ab66a27e866fb35f1e1d319458b2c27676317322c2d33ae4accd251a1033d30d243719228c5e396c7857191d8369166f60b0ff5b70534874735a64a80b0f34f

  • SSDEEP

    6144:OxbS/QTjhUqBfxrwEnuNcSsm7IoYGW0VvBXCAt6kihwE+VDpJYWmlwnx9zHe:OxQtqB5urTIoYWBQk1E+VF9mOx9q

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • Detected Nirsoft tools 4 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • Reads user/profile data of web browsers 2 TTPs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bdec8865e624dae2383d2fda11e44078_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bdec8865e624dae2383d2fda11e44078_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3356
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
      • Accesses Microsoft Outlook accounts
      • System Location Discovery: System Language Discovery
      PID:392
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
      2⤵
        PID:2128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 184
          3⤵
          • Program crash
          PID:4588
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 228
          3⤵
          • Program crash
          PID:4560
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
      1⤵
        PID:3052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2128 -ip 2128
        1⤵
          PID:5112

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/392-10-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/392-14-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/392-11-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/392-8-0x0000000000400000-0x000000000041B000-memory.dmp

          Filesize

          108KB

        • memory/2128-19-0x0000000000400000-0x0000000000458000-memory.dmp

          Filesize

          352KB

        • memory/3356-3-0x0000000074720000-0x0000000074CD1000-memory.dmp

          Filesize

          5.7MB

        • memory/3356-0-0x0000000074722000-0x0000000074723000-memory.dmp

          Filesize

          4KB

        • memory/3356-2-0x0000000074720000-0x0000000074CD1000-memory.dmp

          Filesize

          5.7MB

        • memory/3356-15-0x0000000074722000-0x0000000074723000-memory.dmp

          Filesize

          4KB

        • memory/3356-16-0x0000000074720000-0x0000000074CD1000-memory.dmp

          Filesize

          5.7MB

        • memory/3356-17-0x0000000074720000-0x0000000074CD1000-memory.dmp

          Filesize

          5.7MB

        • memory/3356-18-0x0000000074720000-0x0000000074CD1000-memory.dmp

          Filesize

          5.7MB

        • memory/3356-1-0x0000000074720000-0x0000000074CD1000-memory.dmp

          Filesize

          5.7MB