Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2023 02:14

General

  • Target

    0b4a2375493a07e21024f37bbeefaaef.exe

  • Size

    24KB

  • MD5

    0b4a2375493a07e21024f37bbeefaaef

  • SHA1

    ae143cdb566eb91cb5fba0708a9f71c4eb88792c

  • SHA256

    839be998064fb7bb8aca1771dc1d80295a26f29d863b39c3ea1b81b440f3f6c1

  • SHA512

    b3c69717805a8d5e085cf0bf8325daa24bfd77f1f65fb3b53a15568a592e2856e8ba3a61789013e0dfb2a54110666cb459a3fe5f0a3539d49c05faa69d8b1cd9

  • SSDEEP

    384:E3eVES+/xwGkRKJU5tlM61qmTTMVF9/q5m0:bGS+ZfbJgO8qYoAP

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\0b4a2375493a07e21024f37bbeefaaef.exe
    "C:\Users\Admin\AppData\Local\Temp\0b4a2375493a07e21024f37bbeefaaef.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4292
    • 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:2632
      • C:\Windows\SysWOW64\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:4288
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c set
        3⤵
          PID:2364
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4828
        • C:\Windows\SysWOW64\net.exe
          net start
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1596
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 start
            4⤵
              PID:3472
          • C:\Windows\SysWOW64\NETSTAT.EXE
            netstat -an
            3⤵
            • Gathers network information
            • Suspicious use of AdjustPrivilegeToken
            PID:2680

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\windows\temp\flash.log

        Filesize

        14KB

        MD5

        1436db46ab90b92a94fe04fcac86a311

        SHA1

        0db6790e027227a61f1764689c225db1b3935085

        SHA256

        ddb7580d7a97148bf142cc83555d6b5e2e8d3783fe08228002be17629ac3af76

        SHA512

        bc1a59b87dc7da079a1cbb3be941b276c849a7a6bce8f2a1b347cd99d6c2e399480b345c38b70842030067f57cd79a57c1829a4a8f485f617ad5744b42017382