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Analysis

  • max time kernel
    135s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/03/2024, 11:42

General

  • Target

    d605e4ef9ce7091efa462185a7691b89.exe

  • Size

    24KB

  • MD5

    d605e4ef9ce7091efa462185a7691b89

  • SHA1

    5e5866fe440d4332d7e5cb7910790f42d196d6a7

  • SHA256

    d7404c46de658fbc070d295a4363e381f71143967231101bb12310a14af13047

  • SHA512

    bbd7cd6b2c54228c7201a609f383e2dcd5ea689d5a217243d35bd43f4e7bff379a74eefea4b179e22e2b0c40500f5f00940b4c12fae59e07e01655ac8de3068e

  • SSDEEP

    384:E3eVES+/xwGkRKJolM61qmTTMVF9/q540:bGS+ZfbJoO8qYoAB

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\d605e4ef9ce7091efa462185a7691b89.exe
    "C:\Users\Admin\AppData\Local\Temp\d605e4ef9ce7091efa462185a7691b89.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2808
    • 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:2868
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:4596
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /all
          3⤵
          • Gathers network information
          PID:3312
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3952
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2684
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:1728
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2196

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        15KB

        MD5

        627c3ddc7cc6d7cb16ec70008063cc8c

        SHA1

        836b674d5e84239f8b7fb809ae2a5dd529bf36d8

        SHA256

        ba5b3130bcfa087916392d3d19c8f2f1fffc7c485073f5e3c96b6fcd7be39c33

        SHA512

        42cd0186fa752af5234f7752cd91d41db78b824c333bad0ce9a0999b735a13094ee3bb3e10deca959d8e031af026c8056e66885a47ccbf3bd5a88d589519b56e