Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 15:49

General

  • Target

    e16fbec8441b778d6ffa3c0a50387254.dll

  • Size

    1.6MB

  • MD5

    e16fbec8441b778d6ffa3c0a50387254

  • SHA1

    f4618ea77b9fc65e1dae34efec00a1bee0121580

  • SHA256

    dcfe6f600462653084dd91777388c633bf70f43a2c2e9d2b51851feae9aa3598

  • SHA512

    501b030422ead74da9a3e43b304008178e612678c8b36bff2c89bcb32a744148d2ccf7ab07e76cdabdf434406c9901bced4b3d3dcd9f9e54e2ed9db1c07aa565

  • SSDEEP

    12288:QVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:VfP7fWsK5z9A+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 64 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\e16fbec8441b778d6ffa3c0a50387254.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1244
  • C:\Windows\system32\mblctr.exe
    C:\Windows\system32\mblctr.exe
    1⤵
      PID:2644
    • C:\Users\Admin\AppData\Local\Z8q\mblctr.exe
      C:\Users\Admin\AppData\Local\Z8q\mblctr.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2532
    • C:\Windows\system32\DevicePairingWizard.exe
      C:\Windows\system32\DevicePairingWizard.exe
      1⤵
        PID:2928
      • C:\Users\Admin\AppData\Local\iNbW\DevicePairingWizard.exe
        C:\Users\Admin\AppData\Local\iNbW\DevicePairingWizard.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2972
      • C:\Windows\system32\rdpclip.exe
        C:\Windows\system32\rdpclip.exe
        1⤵
          PID:1756
        • C:\Users\Admin\AppData\Local\kl5\rdpclip.exe
          C:\Users\Admin\AppData\Local\kl5\rdpclip.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1564

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\UserData\LW\MFC42u.dll

          Filesize

          196KB

          MD5

          0d616fe854e844e0842bb0d7a6027c13

          SHA1

          74f7b43eff9d1ea49fcd5a485765d5cc5774ea33

          SHA256

          197c5351dd2374f27e3aab956d813f67a7dfce24f22a5b959b5202690d4d79d5

          SHA512

          92fde42f93638644c59dacc6bf8f2a692f4070d7b0729b912d0ba022df74cd791130af2c16426508e5b7b6b2d9cdc18e0e0c43c07e92ac982acf475c6c99557d

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IECompatCache\e4MmM9\WINSTA.dll

          Filesize

          1.6MB

          MD5

          8d51a4a683b948b47aab5ef0f1eaf30e

          SHA1

          42e519cf5ba856b99fa1c37167f6150cca07eba7

          SHA256

          b73eb3e2e426ce4ccf65c320f65573532c9e4209f03c4308046ac4e4b03ff079

          SHA512

          ff75c71aec873174be8673f101498615642cc84e60338474101cdcbbbd8a4e4560a91650c0e79c10a52edb4e4b61898861b5157f7060b1418eb7956ab5609dfa

        • memory/1244-0-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1244-1-0x0000000000110000-0x0000000000117000-memory.dmp

          Filesize

          28KB

        • memory/1244-8-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-26-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-11-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-15-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-23-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-31-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-38-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-37-0x00000000026A0000-0x00000000026A7000-memory.dmp

          Filesize

          28KB

        • memory/1324-45-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-47-0x0000000077BB0000-0x0000000077BB2000-memory.dmp

          Filesize

          8KB

        • memory/1324-46-0x0000000077A51000-0x0000000077A52000-memory.dmp

          Filesize

          4KB

        • memory/1324-56-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-59-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-36-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-35-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-66-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-33-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-34-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-32-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-30-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-29-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-28-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-9-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-4-0x0000000077846000-0x0000000077847000-memory.dmp

          Filesize

          4KB

        • memory/1324-27-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-20-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-22-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-21-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-24-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-18-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-19-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-17-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-16-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-14-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-13-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-10-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-12-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-7-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1324-5-0x00000000026C0000-0x00000000026C1000-memory.dmp

          Filesize

          4KB

        • memory/1324-142-0x0000000077846000-0x0000000077847000-memory.dmp

          Filesize

          4KB

        • memory/1324-25-0x0000000140000000-0x000000014019F000-memory.dmp

          Filesize

          1.6MB

        • memory/1564-116-0x0000000000080000-0x0000000000087000-memory.dmp

          Filesize

          28KB

        • memory/2532-79-0x0000000140000000-0x00000001401A1000-memory.dmp

          Filesize

          1.6MB

        • memory/2532-75-0x0000000140000000-0x00000001401A1000-memory.dmp

          Filesize

          1.6MB

        • memory/2532-74-0x0000000000270000-0x0000000000277000-memory.dmp

          Filesize

          28KB

        • memory/2972-99-0x0000000140000000-0x00000001401A6000-memory.dmp

          Filesize

          1.6MB

        • memory/2972-98-0x00000000001F0000-0x00000000001F7000-memory.dmp

          Filesize

          28KB

        • memory/2972-104-0x0000000140000000-0x00000001401A6000-memory.dmp

          Filesize

          1.6MB