Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 04:45

General

  • Target

    a56fda529f093cf708f64018ebad4bdc_JaffaCakes118.exe

  • Size

    386KB

  • MD5

    a56fda529f093cf708f64018ebad4bdc

  • SHA1

    b46003d4f9f9f72239e7bfac1e671c3a60378ba9

  • SHA256

    d51f821fe057844b5489f82faf0400b4de78b9e2344b5b9dcb6f1c49a6bf16e8

  • SHA512

    d6f0436cd4cc160b3fd3395eef62d1b80395bd82128a668858e091ed083a3aa43e3377d8becfb0566a80b47d75ce7f1eeaa889928c2beaaf9b7aba27a4a9aa24

  • SSDEEP

    6144:fHEK7hRuRCRbhtUekwSFS/11dUhIMfu8/Bwqw8+CFBuh6333Ttr1ECmz2:PthvR9iPS/vSu8Mt4QhmHcCm

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a56fda529f093cf708f64018ebad4bdc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a56fda529f093cf708f64018ebad4bdc_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 724
      2⤵
      • Program crash
      PID:4080
    • C:\ProgramData\nH41215FhGoD41215\nH41215FhGoD41215.exe
      "C:\ProgramData\nH41215FhGoD41215\nH41215FhGoD41215.exe" "C:\Users\Admin\AppData\Local\Temp\a56fda529f093cf708f64018ebad4bdc_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3568
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3568 -s 724
        3⤵
        • Program crash
        PID:1860
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2280 -ip 2280
    1⤵
      PID:512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3568 -ip 3568
      1⤵
        PID:2164

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\nH41215FhGoD41215\nH41215FhGoD41215.exe

        Filesize

        386KB

        MD5

        079f6a9773939d248b393d3179ad918f

        SHA1

        fa23c6cfa188f0a5aab07f3aea89913c42ea41ff

        SHA256

        5ffdd8f7e3724887145feaf1868a63497b9dd9751f14e627fccade7ceb9adb9d

        SHA512

        9a24c33122c11e8f3464ad70e460f3479be5612370420856ee0150694ea4813488625862d55fd2a00f876ff28357519267ff51a4fcc0b38942f8f6e447027c86

      • memory/2280-0-0x0000000002230000-0x0000000002232000-memory.dmp

        Filesize

        8KB

      • memory/2280-1-0x0000000000400000-0x00000000004C9000-memory.dmp

        Filesize

        804KB

      • memory/2280-13-0x0000000000400000-0x00000000004C9000-memory.dmp

        Filesize

        804KB

      • memory/3568-14-0x0000000000400000-0x00000000004C9000-memory.dmp

        Filesize

        804KB

      • memory/3568-15-0x0000000000400000-0x00000000004C9000-memory.dmp

        Filesize

        804KB

      • memory/3568-23-0x0000000000400000-0x00000000004C9000-memory.dmp

        Filesize

        804KB

      • memory/3568-30-0x0000000000400000-0x00000000004C9000-memory.dmp

        Filesize

        804KB