Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2024 04:28

General

  • Target

    0b0f13ee90f164862c79195be5aea92b_JaffaCakes118.exe

  • Size

    159KB

  • MD5

    0b0f13ee90f164862c79195be5aea92b

  • SHA1

    670232571a1ef2521e649819262bc5ac531f5ea6

  • SHA256

    6cab3dca7b74e6f38f224ba1f35b1bcff8ef4f54c14a3b10eb2fb67b86bc43b8

  • SHA512

    ac0e4fc0e7a6285d729601b7e06acdd306b4180cec30f1c5547d50f2b94e8c8b5ff02edf23faf0242dc98f11fb3d503b70a465a387af7e92032ace2f4e080a81

  • SSDEEP

    3072:ra1KZN8FVAenR7uHUeCBNxgJ9zSQRef+f:ra1G8FVA6aHUB87WQRew

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b0f13ee90f164862c79195be5aea92b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0b0f13ee90f164862c79195be5aea92b_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Windows\T-57404750404665040\winsvc.exe
      C:\Windows\T-57404750404665040\winsvc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:3012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4940 -s 552
      2⤵
      • Program crash
      PID:3924
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4940 -ip 4940
    1⤵
      PID:5004

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\T-57404750404665040\winsvc.exe
      Filesize

      159KB

      MD5

      0b0f13ee90f164862c79195be5aea92b

      SHA1

      670232571a1ef2521e649819262bc5ac531f5ea6

      SHA256

      6cab3dca7b74e6f38f224ba1f35b1bcff8ef4f54c14a3b10eb2fb67b86bc43b8

      SHA512

      ac0e4fc0e7a6285d729601b7e06acdd306b4180cec30f1c5547d50f2b94e8c8b5ff02edf23faf0242dc98f11fb3d503b70a465a387af7e92032ace2f4e080a81

    • memory/3012-11-0x0000000000660000-0x0000000000760000-memory.dmp
      Filesize

      1024KB

    • memory/3012-12-0x0000000000400000-0x000000000042D000-memory.dmp
      Filesize

      180KB

    • memory/3012-16-0x0000000000400000-0x000000000042D000-memory.dmp
      Filesize

      180KB

    • memory/3012-18-0x0000000000660000-0x0000000000760000-memory.dmp
      Filesize

      1024KB

    • memory/4940-2-0x00000000004D0000-0x00000000005D0000-memory.dmp
      Filesize

      1024KB

    • memory/4940-3-0x0000000000400000-0x000000000042D000-memory.dmp
      Filesize

      180KB