Analysis

  • max time kernel
    137s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 19:34

General

  • Target

    b4c1769130661d0bdfd97da5cdc48dfd_JaffaCakes118.dll

  • Size

    678KB

  • MD5

    b4c1769130661d0bdfd97da5cdc48dfd

  • SHA1

    9efbce6293ac36086ad53acf375c5ed1a857f01b

  • SHA256

    7bd032519786e19b7da359d254da990a5734298bbea584a42bd7c0713b005a77

  • SHA512

    9b04704cc1e0b6625baeae10196d5d63665bec6829291300db59b92b5a67803f452a5e4346b3a5fd39732e7419acf3426aef7898c0039cf577ef08270f8e1f12

  • SSDEEP

    12288:a4hUaFty+yr+Ts4e3kmYn0YaAsPko8dhM5wzTrr5v3Q2KWHQR:abaFty+yr+Ts4e3kmYn0YaAsB+M5STru

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 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:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4c1769130661d0bdfd97da5cdc48dfd_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:484
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b4c1769130661d0bdfd97da5cdc48dfd_JaffaCakes118.dll,#1
      2⤵
      • Server Software Component: Terminal Services DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1772
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Cryptographic Services"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe c:\users\admin\appdata\local\temp\b4c1769130661d0bdfd97da5cdc48dfd_jaffacakes118.dll, Launch
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1792-4-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB

  • memory/1792-6-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB

  • memory/1792-5-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB

  • memory/1792-8-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB

  • memory/1996-0-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB

  • memory/1996-1-0x0000000074E70000-0x0000000074F96000-memory.dmp

    Filesize

    1.1MB

  • memory/1996-2-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB

  • memory/2104-3-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB

  • memory/2104-7-0x0000000074FA0000-0x00000000750C6000-memory.dmp

    Filesize

    1.1MB