Analysis

  • max time kernel
    1776s
  • max time network
    1176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2024, 19:16

General

  • Target

    jre/bin/bci.dll

  • Size

    15KB

  • MD5

    a46289384f76c2a41ba7251459849288

  • SHA1

    4d8ef96edbe07c8722fa24e4a5b96ebfa18be2c4

  • SHA256

    728d64bc1fbf48d4968b1b93893f1b5db88b052ab82202c6840bf7886a64017d

  • SHA512

    34d62beb1fa7d8630f5562c1e48839ce9429faea980561e58076df5f19755761454eeb882790ec1035c64c654fc1a8cd5eb46eca12e2bc81449acbb73296c9e8

  • SSDEEP

    384:1Td3hw/L3kKLnYgIOGOOssnPV5Lnf6onYPLr7EbH:1zw/bkKLt7KnddnfPC7S

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\bci.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\jre\bin\bci.dll,#1
      2⤵
        PID:4028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 604
          3⤵
          • Program crash
          PID:732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4028 -ip 4028
      1⤵
        PID:5092
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:1784
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1800

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1800-0-0x0000013D76D70000-0x0000013D76D80000-memory.dmp

          Filesize

          64KB

        • memory/1800-16-0x0000013D76E70000-0x0000013D76E80000-memory.dmp

          Filesize

          64KB

        • memory/1800-32-0x0000013D7F460000-0x0000013D7F461000-memory.dmp

          Filesize

          4KB

        • memory/1800-33-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-34-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-35-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-36-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-37-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-38-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-39-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-40-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-41-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-42-0x0000013D7F490000-0x0000013D7F491000-memory.dmp

          Filesize

          4KB

        • memory/1800-43-0x0000013D7F0B0000-0x0000013D7F0B1000-memory.dmp

          Filesize

          4KB

        • memory/1800-44-0x0000013D7F0A0000-0x0000013D7F0A1000-memory.dmp

          Filesize

          4KB

        • memory/1800-46-0x0000013D7F0B0000-0x0000013D7F0B1000-memory.dmp

          Filesize

          4KB

        • memory/1800-49-0x0000013D7F0A0000-0x0000013D7F0A1000-memory.dmp

          Filesize

          4KB

        • memory/1800-52-0x0000013D7EFE0000-0x0000013D7EFE1000-memory.dmp

          Filesize

          4KB

        • memory/1800-64-0x0000013D7F1E0000-0x0000013D7F1E1000-memory.dmp

          Filesize

          4KB

        • memory/1800-66-0x0000013D7F1F0000-0x0000013D7F1F1000-memory.dmp

          Filesize

          4KB

        • memory/1800-67-0x0000013D7F1F0000-0x0000013D7F1F1000-memory.dmp

          Filesize

          4KB

        • memory/1800-68-0x0000013D7F300000-0x0000013D7F301000-memory.dmp

          Filesize

          4KB