Analysis

  • max time kernel
    147s
  • 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, 17:47

General

  • Target

    bebe00983a92f88509708b574af4247b_JaffaCakes118.exe

  • Size

    24KB

  • MD5

    bebe00983a92f88509708b574af4247b

  • SHA1

    9fc97715319a090107702cdef13bdc392799ca33

  • SHA256

    7fdd453b11758f107bdda172822c8e418763f8eb8919a7e82f059723f567319a

  • SHA512

    7407d52e3f518bad562d702b9fde3af2ea5c8fcd634474ae0b2c2229de7e2748c0520e420542b2497acc20b2ad7f5b04030713210ec82343856436a5d15c994d

  • SSDEEP

    384:E3eVES+/xwGkRKJYFdSlM61qmTTMVF9/q5l0:bGS+ZfbJYFMO8qYoAq

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\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bebe00983a92f88509708b574af4247b_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4596
    • 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:3632
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:1860
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:5048
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2024
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1040
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:4392
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2248

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

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

              Filesize

              14KB

              MD5

              dddaf0dd1082b6b981b95c4ad96d683a

              SHA1

              c2652b3038a9bef6f43453450b8240b901e2bab1

              SHA256

              c4a921116a3696a04c9e447a5310f5bca2a4f1bfaf98094f06559f14d23ffc76

              SHA512

              338ffc60dd3a3679fb4cfc5f72cd8f8ec11af5238e2deb100cbbb810dd7a6218f04d4b9aad26c9c437a6c094e138c47107cd3d4246fa17b4c0565aa39f991f41