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Analysis

  • max time kernel
    92s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 15:11

General

  • Target

    d74029dd8757698561295c4c3c3f1318_JaffaCakes118.exe

  • Size

    24KB

  • MD5

    d74029dd8757698561295c4c3c3f1318

  • SHA1

    683172b2cc1a4728cc5e563f514d522b94cc4fcb

  • SHA256

    2794ad4803afafc6eb7ef4d6a5eb79bc991de79d096fb6042a505eb69807defc

  • SHA512

    160de2b838cf9c740b715063c96786b6c2933bce8601212a0edc2810b4df7f804ccb68be54dd5510757732cc9d319f5e5cb6033b62760ddcebc4d43bdb69dd65

  • SSDEEP

    384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5t0:bGS+ZfbJiO8qYoAC

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d74029dd8757698561295c4c3c3f1318_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d74029dd8757698561295c4c3c3f1318_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3172
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:1280
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:3400
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3728
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2168
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:4000
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:636

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        14KB

        MD5

        be785916172f37a10e6ddb86df9dbbfd

        SHA1

        9c9c7b9cf7fa30f7bccf2f26d6caf5b69df5c2a4

        SHA256

        2dc55ce1229be0ba52d5eb374e52785736a11e14cc31488d9fc833d857bbe99d

        SHA512

        3268b3c4bb0de8c53bb3236bafc5c22fabb580d7918704ace42cf35af123d4eb55f5da05864d80b09e7f67c9301df817f62e5c42e3d2c13a8d540baaaa57dfe9