Analysis

  • max time kernel
    144s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    12/08/2024, 09:13

General

  • Target

    8e28fdf1a5d189b7ecfa139389f69a6d_JaffaCakes118.exe

  • Size

    224KB

  • MD5

    8e28fdf1a5d189b7ecfa139389f69a6d

  • SHA1

    65704c95aa8197879de89ff0461497f8891e46aa

  • SHA256

    970fc37e5e65af9ae80359beea60b00d37b885f2a85dca46dfac66e2f60b5df4

  • SHA512

    251215b75e702bc40ad8288861d9424c332b26c748bc19b8433ce41047cf41c5a7058a4f35b5df9a2e11998cb213725b044d6f9e2cb61cc9e0ad87a8bc2bdb56

  • SSDEEP

    3072:6yCIh+ZmfSfL5mOSin7sJ+koykxgNkwQrPC705I50zHevc8oigMrJd3CFRa3Od:Yx9mOSinQJ+1dLwYaUZzgNgMEae

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • 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\8e28fdf1a5d189b7ecfa139389f69a6d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e28fdf1a5d189b7ecfa139389f69a6d_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2092 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8e28fdf1a5d189b7ecfa139389f69a6d_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\YTOTYI~1.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:1736
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2092
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2992
      • 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:2860
      • C:\Users\Admin\AppData\Local\ytotyiaco.exe
        C:\Users\Admin\AppData\Local\YTOTYI~1.EXE -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    224KB

    MD5

    8e28fdf1a5d189b7ecfa139389f69a6d

    SHA1

    65704c95aa8197879de89ff0461497f8891e46aa

    SHA256

    970fc37e5e65af9ae80359beea60b00d37b885f2a85dca46dfac66e2f60b5df4

    SHA512

    251215b75e702bc40ad8288861d9424c332b26c748bc19b8433ce41047cf41c5a7058a4f35b5df9a2e11998cb213725b044d6f9e2cb61cc9e0ad87a8bc2bdb56

  • memory/2092-5-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2092-3-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2092-2-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2092-0-0x00000000001C0000-0x00000000001C2000-memory.dmp

    Filesize

    8KB

  • memory/2724-10-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2724-12-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB

  • memory/2724-13-0x0000000001000000-0x00000000010C9000-memory.dmp

    Filesize

    804KB