Analysis

  • max time kernel
    143s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11-08-2024 17:14

General

  • Target

    8b3f81dfa5598ab6526c4c066c1da90d_JaffaCakes118.exe

  • Size

    405KB

  • MD5

    8b3f81dfa5598ab6526c4c066c1da90d

  • SHA1

    ecba3fd720b843d399f57b090a498c457337e316

  • SHA256

    819ae9d65e635639e94d6a9d548760a1397a547d95858677c6a34df6e8ed4261

  • SHA512

    668bcd51a7f55d501c7e859ea084500ee6269f1124d5e22996395ae31779b2bb1f29e0b1890e135c56d555bc9df2943b546c02608da40fe899f27469aafe16b4

  • SSDEEP

    6144:gzYH5u9oPPAbS+US2UplO6uWk0BBLHRAMmaFIAdy3J8h5kZ4LbZu:KGA5zplO67xAtaF7I3K4qu

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b3f81dfa5598ab6526c4c066c1da90d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8b3f81dfa5598ab6526c4c066c1da90d_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1732 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8b3f81dfa5598ab6526c4c066c1da90d_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\mcljaan.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2308
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 1732
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2164
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1588
      • C:\Users\Admin\AppData\Local\mcljaan.exe
        C:\Users\Admin\AppData\Local\mcljaan.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\mcljaan.exe

    Filesize

    405KB

    MD5

    8b3f81dfa5598ab6526c4c066c1da90d

    SHA1

    ecba3fd720b843d399f57b090a498c457337e316

    SHA256

    819ae9d65e635639e94d6a9d548760a1397a547d95858677c6a34df6e8ed4261

    SHA512

    668bcd51a7f55d501c7e859ea084500ee6269f1124d5e22996395ae31779b2bb1f29e0b1890e135c56d555bc9df2943b546c02608da40fe899f27469aafe16b4

  • memory/1732-0-0x0000000000B30000-0x0000000000B79000-memory.dmp

    Filesize

    292KB

  • memory/1732-1-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/1732-2-0x0000000001000000-0x00000000010D0000-memory.dmp

    Filesize

    832KB

  • memory/1732-4-0x0000000001000000-0x00000000010D0000-memory.dmp

    Filesize

    832KB

  • memory/1732-5-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2092-9-0x0000000001000000-0x00000000010D0000-memory.dmp

    Filesize

    832KB

  • memory/2092-10-0x0000000001000000-0x00000000010D0000-memory.dmp

    Filesize

    832KB

  • memory/2092-12-0x0000000001000000-0x00000000010D0000-memory.dmp

    Filesize

    832KB