Analysis

  • max time kernel
    7s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2023 21:00

General

  • Target

    03e11938813980f4ee92eafaa1ef0941.dll

  • Size

    1.7MB

  • MD5

    03e11938813980f4ee92eafaa1ef0941

  • SHA1

    e38ff61eaaee9fd598dc696034625b95a6e8e444

  • SHA256

    fb7090afa187d1404a763ce8352a48a9c6fa47da4f1c0dd1b0cbfb87a59c56e0

  • SHA512

    4066cb8ecfaf9fdf0badc021d3d1c21d632d9242a7e9a5ccbe5e6683fd21802ea8e780428ce87b745d2241efe2e45b58e341f63b65dd2fb432eca1e9714cf418

  • SSDEEP

    12288:DVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:SfP7fWsK5z9A+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 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of WriteProcessMemory 18 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\03e11938813980f4ee92eafaa1ef0941.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2976
  • C:\Users\Admin\AppData\Local\uI8myEsuU\SystemPropertiesProtection.exe
    C:\Users\Admin\AppData\Local\uI8myEsuU\SystemPropertiesProtection.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks whether UAC is enabled
    PID:2624
  • C:\Windows\system32\SystemPropertiesProtection.exe
    C:\Windows\system32\SystemPropertiesProtection.exe
    1⤵
      PID:2344
    • C:\Users\Admin\AppData\Local\0B2zk8txD\DWWIN.EXE
      C:\Users\Admin\AppData\Local\0B2zk8txD\DWWIN.EXE
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2816
    • C:\Windows\system32\DWWIN.EXE
      C:\Windows\system32\DWWIN.EXE
      1⤵
        PID:1900
      • C:\Users\Admin\AppData\Local\V18\spreview.exe
        C:\Users\Admin\AppData\Local\V18\spreview.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2340
      • C:\Windows\system32\spreview.exe
        C:\Windows\system32\spreview.exe
        1⤵
          PID:1244

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Dbyxyty.lnk

          Filesize

          1KB

          MD5

          ed883c1168daa33af0b82fe3d9e430ec

          SHA1

          ca560294ea4eb8f2ad48edbffa7d509a9390e955

          SHA256

          d47618777d557c9cc45b560814e8b3c23d53d4bc191a2a4052d80998ea5c5378

          SHA512

          52e40fc9d19cf95cd2f9157ac345ee431a2f2c254513265e6f4d8ea902138cf552e5aaf3f5e48faaca03ea8b7335f8f1fb854cc2e4f63f04d8c26b17f5313faf

        • memory/1248-16-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-31-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-14-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-28-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-35-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-43-0x0000000002500000-0x0000000002507000-memory.dmp

          Filesize

          28KB

        • memory/1248-44-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-48-0x0000000077E20000-0x0000000077E22000-memory.dmp

          Filesize

          8KB

        • memory/1248-45-0x0000000077CC1000-0x0000000077CC2000-memory.dmp

          Filesize

          4KB

        • memory/1248-55-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-61-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-145-0x0000000077AB6000-0x0000000077AB7000-memory.dmp

          Filesize

          4KB

        • memory/1248-4-0x0000000077AB6000-0x0000000077AB7000-memory.dmp

          Filesize

          4KB

        • memory/1248-11-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-27-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-36-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-34-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-33-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-32-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-10-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-30-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-29-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-64-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-5-0x0000000002520000-0x0000000002521000-memory.dmp

          Filesize

          4KB

        • memory/1248-7-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-24-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-23-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-22-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-21-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-20-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-19-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-18-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-25-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-26-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-17-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-9-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-15-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-13-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/1248-12-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/2340-117-0x0000000000180000-0x0000000000187000-memory.dmp

          Filesize

          28KB

        • memory/2624-78-0x0000000140000000-0x00000001401B1000-memory.dmp

          Filesize

          1.7MB

        • memory/2624-73-0x0000000140000000-0x00000001401B1000-memory.dmp

          Filesize

          1.7MB

        • memory/2624-75-0x0000000000100000-0x0000000000107000-memory.dmp

          Filesize

          28KB

        • memory/2816-93-0x0000000000090000-0x0000000000097000-memory.dmp

          Filesize

          28KB

        • memory/2816-95-0x0000000140000000-0x00000001401B1000-memory.dmp

          Filesize

          1.7MB

        • memory/2976-1-0x0000000000110000-0x0000000000117000-memory.dmp

          Filesize

          28KB

        • memory/2976-8-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB

        • memory/2976-0-0x0000000140000000-0x00000001401B0000-memory.dmp

          Filesize

          1.7MB