Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 13:41

General

  • Target

    b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe

  • Size

    24KB

  • MD5

    b9cbe0c25e9fd74799a976c1f75b8b87

  • SHA1

    c3f8d8dccb6426041e68280424d56ebf71d4e04c

  • SHA256

    7079f1604aae85be52c19b83e9660b7b484b1c9f114a41fdfcdb6d69f4dfbada

  • SHA512

    9afed0b0b7b851499e7f02729ccc9242f5b110549ae99d55945dfdd94d855b6fdaefd9d33236adca01ce5da56f2e92fdceade4ad239cb6e9aa1a49799f7cfa2d

  • SSDEEP

    384:E3eVES+/xwGkRKJ2ZlM61qmTTMVF9/q540:bGS+ZfbJ2ZO8qYoAB

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\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b9cbe0c25e9fd74799a976c1f75b8b87_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4612
    • 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:4208
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2660
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:2012
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:1856
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2728
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:864
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:3556

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • \??\c:\windows\temp\flash.log

              Filesize

              13KB

              MD5

              c6c9477328ed96c222bbf9656209c400

              SHA1

              7da7daecdd0709287848ed6fe5f3af9dbd37302f

              SHA256

              fe5699ac6233f1801d78ac338b670e9be285332a1684331330080a00b1f44874

              SHA512

              def0b312f8880085927d59e72fbde0bd59c23392f3a768cc2c62f4959b6f36ee07afaadcbf0e1ea8a90c5de961a121a0d97003299f2bd58b80d4a8d0f2937fad