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Analysis

  • max time kernel
    191s
  • max time network
    201s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 01:08

General

  • Target

    47fa337fba652cc3a86122f5aa995dea.exe

  • Size

    24KB

  • MD5

    47fa337fba652cc3a86122f5aa995dea

  • SHA1

    3fe0ed520c2acd933f3a18a7b79e905b882df329

  • SHA256

    09fa7623a796267286f09a21aa203d494ee06f207771979b59ac95d95fd7c5ac

  • SHA512

    ad17c42a0455311a3570e390ff4088fb38480710634991bcae469d5252e9c14da703922a3ca41818c96b881b9bc0c7d53b4447adcd45badc1e4fa3c8cb1ca343

  • SSDEEP

    384:E3eVES+/xwGkRKJGvkCKlM61qmTTMVF9/q5x0:bGS+ZfbJGvaO8qYoAu

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\47fa337fba652cc3a86122f5aa995dea.exe
    "C:\Users\Admin\AppData\Local\Temp\47fa337fba652cc3a86122f5aa995dea.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3220
    • 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:2976
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2924
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:1944
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4024
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3768
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:1004
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2876

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        14KB

        MD5

        d5f720d44b12b7295a6f47b8d62be065

        SHA1

        d4c76a2576c9812fc461023cba9d66568686095f

        SHA256

        23243472c061b1fcebaf662fe5b3c594fbdce317fc79cbeb8b3c3f99a4c670ec

        SHA512

        bd7e043f2c3c8b66ef8aa911b71d1b0363a16ed3f9c7af940df9be483aeeaa0acef5c4ee48a0274c03ff5d099f07549dd2e882f9196e5944d35543c062376b91