Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 21:53

General

  • Target

    1daea4f77c0cfa0020fec04a9dc765b3.exe

  • Size

    24KB

  • MD5

    1daea4f77c0cfa0020fec04a9dc765b3

  • SHA1

    bfbc332fa4694b0090e7170c08137451684e4763

  • SHA256

    f208de5a6ada83c70b69877aaf50654a3368a0113773b0f3ab956a8d9a439a6c

  • SHA512

    e761aa0009af7cc99546b9ec8d6721907714d6f1c1b9a75a7de475de2d646f01db74ba0e39ebfd755f92e22bebb3ae80f89b25d2f49e44afecaf23bac5ac297a

  • SSDEEP

    384:E3eVES+/xwGkRKJXJlM61qmTTMVF9/q5v0:bGS+ZfbJ5O8qYoAM

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\1daea4f77c0cfa0020fec04a9dc765b3.exe
    "C:\Users\Admin\AppData\Local\Temp\1daea4f77c0cfa0020fec04a9dc765b3.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2408
    • 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:4616
      • C:\Windows\SysWOW64\net.exe
        net start
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1564
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 start
          4⤵
            PID:4168
        • C:\Windows\SysWOW64\NETSTAT.EXE
          netstat -an
          3⤵
          • Gathers network information
          • Suspicious use of AdjustPrivilegeToken
          PID:4312
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /all
      1⤵
      • Gathers network information
      PID:644
    • C:\Windows\SysWOW64\tasklist.exe
      tasklist
      1⤵
      • Enumerates processes with tasklist
      • Suspicious use of AdjustPrivilegeToken
      PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c set
      1⤵
        PID:4164

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        14KB

        MD5

        13b544b01f6298281f96e978e687941e

        SHA1

        2913c16b1036fdfea2497926fdeeaf293d9b54fc

        SHA256

        f9554716868bbcaf47172156a898551bad0e61878b58963df37fe49797b2e6d1

        SHA512

        2a9f62304bd19a1b5271ef1e30b487f729506cd8b3405d69956bb1630d8ee08a694959e8d8ac217d8f748fd96db8d920781ab0a62fa25139259ee7ab414e1412