Analysis

  • max time kernel
    6s
  • max time network
    7s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    05-03-2024 14:40

Errors

Reason
Machine shutdown

General

  • Target

    b4f26bac881a47b934328734343238cf.exe

  • Size

    92KB

  • MD5

    b4f26bac881a47b934328734343238cf

  • SHA1

    065964ef7601a8b8dc4fbe05dc4d3bc410699aa1

  • SHA256

    3134bcbcc5c5c2b5c0c807b9827e471829a02b5f697634c443456ecbe92b69bb

  • SHA512

    19ae403c85703f3dd461697409ee60bfbb7ae0dd70b22e388ee93d26b9a72418f089b69f35be703449025124ce37db8cd8d8ad2661f24d1c1ca56763d6717281

  • SSDEEP

    1536:gRFQaSjCXqQ7NmDfOzhqxoib0VswIq5CuhUk1sTLzMo:gRqaHd7I+5ibKL9SKsPzMo

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4f26bac881a47b934328734343238cf.exe
    "C:\Users\Admin\AppData\Local\Temp\b4f26bac881a47b934328734343238cf.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2040
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x0
    1⤵
      PID:2464
    • C:\Windows\system32\LogonUI.exe
      "LogonUI.exe" /flags:0x1
      1⤵
        PID:2532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2040-2-0x0000000000220000-0x0000000000221000-memory.dmp

        Filesize

        4KB

      • memory/2040-1-0x0000000001000000-0x0000000001018000-memory.dmp

        Filesize

        96KB

      • memory/2040-0-0x0000000001000000-0x0000000001018000-memory.dmp

        Filesize

        96KB

      • memory/2464-5-0x0000000002D90000-0x0000000002D91000-memory.dmp

        Filesize

        4KB

      • memory/2532-6-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

        Filesize

        4KB