Analysis

  • max time kernel
    136s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 11:42

General

  • Target

    ccbb9816328bb490a11a7aadb35b696b_JaffaCakes118.exe

  • Size

    271KB

  • MD5

    ccbb9816328bb490a11a7aadb35b696b

  • SHA1

    7a2904df74cff272f21c928f9f905c5b784d05d5

  • SHA256

    64fff3054dcf99561ee55226eb011ac1b6e1d9c2af3f7938970d06b2925bbce8

  • SHA512

    51d3f9277313c4f6886d1414d4455ab41174fbec8a856360688974c8487166088a58ab836cfcd7c9e644e124b7e3efd9a7107cba01905258d3cb3389de80bc1b

  • SSDEEP

    3072:BMSHHbmSN5rCuhJCvGt+LSZAL87GdIUUNaB+YQfPpJox2X8jv6tmbGrX2bt5qEP:WJSrhS6zAL87BgB+YMoxovtJNE

Malware Config

Signatures

  • Taurus Stealer

    Taurus is an infostealer first seen in June 2020.

  • Taurus Stealer payload 7 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ccbb9816328bb490a11a7aadb35b696b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ccbb9816328bb490a11a7aadb35b696b_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\cmd.exe
      /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\ccbb9816328bb490a11a7aadb35b696b_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 1684
      2⤵
      • Program crash
      PID:4712
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1420 -ip 1420
    1⤵
      PID:1376

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1420-1-0x0000000006210000-0x0000000006310000-memory.dmp

      Filesize

      1024KB

    • memory/1420-2-0x0000000006190000-0x00000000061C5000-memory.dmp

      Filesize

      212KB

    • memory/1420-3-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/1420-10-0x0000000000400000-0x0000000005FE6000-memory.dmp

      Filesize

      91.9MB

    • memory/1420-11-0x0000000006210000-0x0000000006310000-memory.dmp

      Filesize

      1024KB

    • memory/1420-12-0x0000000006190000-0x00000000061C5000-memory.dmp

      Filesize

      212KB

    • memory/1420-13-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/1420-15-0x0000000000400000-0x0000000000437000-memory.dmp

      Filesize

      220KB

    • memory/1420-14-0x0000000000400000-0x0000000005FE6000-memory.dmp

      Filesize

      91.9MB