Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22/12/2023, 05:38

General

  • Target

    7235c4081521daefb3ba386399112b4f.exe

  • Size

    24KB

  • MD5

    7235c4081521daefb3ba386399112b4f

  • SHA1

    e3b014742ef42ac55c664210296d9a404a9bfeb7

  • SHA256

    555154ac5847cff157f13cdcdc952d378c7c914e05d1cf5aff406e9c4aac8f5f

  • SHA512

    d1f0e454d081cbe3b0abbbdf78bf3e5f5430295bb2e7f138c2edab362c2dc43cc521a61dc0e935d36d6b9f1e8a6a8a8f8fce50f4c10d993478b7e8faa6e00d82

  • SSDEEP

    384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5W0:bGS+ZfbJiO8qYoAf

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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7235c4081521daefb3ba386399112b4f.exe
    "C:\Users\Admin\AppData\Local\Temp\7235c4081521daefb3ba386399112b4f.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2980
    • 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:2360
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2684
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:2648
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2768
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2704
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:1220
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2940

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        8KB

        MD5

        8dc672271de75b24b6194b0e0ebea759

        SHA1

        072e638f3d374be66c55ab605471868523abc8c7

        SHA256

        e48139e62ac71075afc76c5272bd109f204d87934d225efb594a6ae880db7f70

        SHA512

        d9fd64656848de919c25a292b5fa6614c3ea7855d17f9e1a6bced345018e806aa38bc36bae1d6eeefebe0f38f09be13185ec90b20ff58787e8ea029a29b0927b