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Analysis

  • max time kernel
    117s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 02:26

General

  • Target

    2472350d154e6838668971e5bc5f75cf.exe

  • Size

    24KB

  • MD5

    2472350d154e6838668971e5bc5f75cf

  • SHA1

    4c3e627eb19b1216f3ac68560b2eff5e8ab86a51

  • SHA256

    949c9c1dbc934c93a83c59fb378d080a92dd0afeef8d1024c6ac607fa447cd49

  • SHA512

    e8698d3ba81035d7ea514b6daf2a574b45a9fecda3dc97b1f1e3af78aef709f539fccf8d0140cdaecd51d828e89e2194d994a4bd81c4216b9cad61f2c7ceb67c

  • SSDEEP

    384:E3eVES+/xwGkRKJr9lM61qmTTMVF9/q5Y0:bGS+ZfbJZO8qYoAh

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\2472350d154e6838668971e5bc5f75cf.exe
    "C:\Users\Admin\AppData\Local\Temp\2472350d154e6838668971e5bc5f75cf.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3008
    • 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:2320
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2688
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:2828
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:2308
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:804
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:2884
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2692

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        8KB

        MD5

        5e9469c3b2a4a5b3a276881c727f7f73

        SHA1

        0184f428a6126aec60b8ced0dad4a4018a42a2ec

        SHA256

        9d9d09d3426a867868aef1f0539b4187f25bcd0692382f5b39fd65bb8205676d

        SHA512

        f41285897511a7548320197eebccdf1c9a7f815be62b00d4e84e853e9921bf8cd654a89956a27833c26e7f333dd21a76ebd72930094a592319be0284ca943956