Analysis

  • max time kernel
    45s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 16:24

General

  • Target

    edfa77cc042165230bda125457230eff.dll

  • Size

    2.1MB

  • MD5

    edfa77cc042165230bda125457230eff

  • SHA1

    a5be3756956178ab76ab58a1e5ad877066153513

  • SHA256

    f950e61cdd81d2cf15ee868489a6b5d887fc9a4d3ca4ab69928dda40b131274b

  • SHA512

    9329b8ad60683c6c574069a3966c4c2919a8d51b82b3b8e7fb2ce8ec5ab03f6d0f19e6cf961a8477280d93c0666e1c7e055c186747e65dc03143cd8704d31f6d

  • SSDEEP

    12288:lVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:8fP7fWsK5z9A+WGAW+V5SB6Ct4bnb

Malware Config

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\edfa77cc042165230bda125457230eff.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2780
  • C:\Windows\system32\isoburn.exe
    C:\Windows\system32\isoburn.exe
    1⤵
      PID:3028
    • C:\Users\Admin\AppData\Local\lEPRtFIT4\ie4uinit.exe
      C:\Users\Admin\AppData\Local\lEPRtFIT4\ie4uinit.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4956
    • C:\Windows\system32\ie4uinit.exe
      C:\Windows\system32\ie4uinit.exe
      1⤵
        PID:860
      • C:\Users\Admin\AppData\Local\R9t5FTlg\BdeUISrv.exe
        C:\Users\Admin\AppData\Local\R9t5FTlg\BdeUISrv.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4220
      • C:\Windows\system32\BdeUISrv.exe
        C:\Windows\system32\BdeUISrv.exe
        1⤵
          PID:2424
        • C:\Users\Admin\AppData\Local\RGOVIeauk\isoburn.exe
          C:\Users\Admin\AppData\Local\RGOVIeauk\isoburn.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4256

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2780-7-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/2780-1-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/2780-3-0x0000026A715B0000-0x0000026A715B7000-memory.dmp

          Filesize

          28KB

        • memory/2780-0-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-38-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-45-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-11-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-12-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-13-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-14-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-9-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-15-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-20-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-28-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-32-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-37-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-42-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-56-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-50-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-55-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-60-0x0000000000F50000-0x0000000000F57000-memory.dmp

          Filesize

          28KB

        • memory/3484-54-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-58-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-57-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-68-0x00007FFA8E040000-0x00007FFA8E050000-memory.dmp

          Filesize

          64KB

        • memory/3484-67-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-16-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-17-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-18-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-19-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-21-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-22-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-23-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-24-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-25-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-26-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-8-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-10-0x00007FFA8C73A000-0x00007FFA8C73B000-memory.dmp

          Filesize

          4KB

        • memory/3484-59-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-53-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-52-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-51-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-49-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-48-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-47-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-46-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-43-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-44-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-41-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-40-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-39-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-5-0x0000000002D30000-0x0000000002D31000-memory.dmp

          Filesize

          4KB

        • memory/3484-36-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-35-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-34-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-33-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-31-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-30-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-29-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/3484-27-0x0000000140000000-0x0000000140211000-memory.dmp

          Filesize

          2.1MB

        • memory/4220-108-0x0000000140000000-0x0000000140212000-memory.dmp

          Filesize

          2.1MB

        • memory/4220-115-0x0000000140000000-0x0000000140212000-memory.dmp

          Filesize

          2.1MB

        • memory/4220-110-0x000001EB28900000-0x000001EB28907000-memory.dmp

          Filesize

          28KB

        • memory/4256-96-0x0000000140000000-0x0000000140212000-memory.dmp

          Filesize

          2.1MB

        • memory/4256-91-0x000001DE6A4B0000-0x000001DE6A4B7000-memory.dmp

          Filesize

          28KB

        • memory/4256-88-0x0000000140000000-0x0000000140212000-memory.dmp

          Filesize

          2.1MB

        • memory/4956-133-0x0000016DA64B0000-0x0000016DA66C2000-memory.dmp

          Filesize

          2.1MB

        • memory/4956-134-0x0000016DA66E0000-0x0000016DA66E7000-memory.dmp

          Filesize

          28KB

        • memory/4956-138-0x0000016DA64B0000-0x0000016DA66C2000-memory.dmp

          Filesize

          2.1MB

        • memory/4956-132-0x0000016DA66D0000-0x0000016DA68E2000-memory.dmp

          Filesize

          2.1MB

        • memory/4956-129-0x0000016DA64B0000-0x0000016DA66C2000-memory.dmp

          Filesize

          2.1MB