Analysis

  • max time kernel
    25s
  • max time network
    150s
  • 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 16:55

General

  • Target

    f9e085979ac5b10ef9a83a6f8868e1fc.dll

  • Size

    1.7MB

  • MD5

    f9e085979ac5b10ef9a83a6f8868e1fc

  • SHA1

    7c42dbd22414ee2aae7b3f49caec1c0445e508fb

  • SHA256

    a671bbc23d90a0c52a986365e1622ccfcdbe1cfc3eb4f6868ad8a11739351287

  • SHA512

    f185aea760b9910b08b631a997c644fcc01f4a803a794e150b1254cccf07e6c779191028c242ac0237d3e295910c3e0d9a6a7d1f49e4fe130b772b21f292f101

  • SSDEEP

    12288:HVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:ufP7fWsK5z9A+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 3 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\f9e085979ac5b10ef9a83a6f8868e1fc.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1652
  • C:\Windows\system32\bdechangepin.exe
    C:\Windows\system32\bdechangepin.exe
    1⤵
      PID:1596
    • C:\Users\Admin\AppData\Local\ndH\SppExtComObj.Exe
      C:\Users\Admin\AppData\Local\ndH\SppExtComObj.Exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2308
    • C:\Windows\system32\SppExtComObj.Exe
      C:\Windows\system32\SppExtComObj.Exe
      1⤵
        PID:2452
      • C:\Users\Admin\AppData\Local\f3da3fCG\unregmp2.exe
        C:\Users\Admin\AppData\Local\f3da3fCG\unregmp2.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3244
      • C:\Windows\system32\unregmp2.exe
        C:\Windows\system32\unregmp2.exe
        1⤵
          PID:3704
        • C:\Users\Admin\AppData\Local\kte0mD\bdechangepin.exe
          C:\Users\Admin\AppData\Local\kte0mD\bdechangepin.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3300

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1652-3-0x000001BB2CB20000-0x000001BB2CB27000-memory.dmp

          Filesize

          28KB

        • memory/1652-7-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1652-0-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/2308-107-0x000001D88B210000-0x000001D88B217000-memory.dmp

          Filesize

          28KB

        • memory/3244-89-0x0000000140000000-0x00000001401B8000-memory.dmp

          Filesize

          1.7MB

        • memory/3244-95-0x0000000140000000-0x00000001401B8000-memory.dmp

          Filesize

          1.7MB

        • memory/3244-91-0x0000028BF7130000-0x0000028BF7137000-memory.dmp

          Filesize

          28KB

        • memory/3300-72-0x0000000140000000-0x00000001401FD000-memory.dmp

          Filesize

          2.0MB

        • memory/3300-78-0x0000000140000000-0x00000001401FD000-memory.dmp

          Filesize

          2.0MB

        • memory/3300-74-0x000002B21ADC0000-0x000002B21ADC7000-memory.dmp

          Filesize

          28KB

        • memory/3480-35-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-29-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-43-0x0000000000560000-0x0000000000567000-memory.dmp

          Filesize

          28KB

        • memory/3480-44-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-52-0x00007FFDFE340000-0x00007FFDFE350000-memory.dmp

          Filesize

          64KB

        • memory/3480-33-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-24-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-61-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-63-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-51-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-41-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-42-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-39-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-38-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-37-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-36-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-15-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-34-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-32-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-31-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-30-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-40-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-28-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-27-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-26-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-25-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-23-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-22-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-21-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-20-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-19-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-18-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-17-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-16-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-14-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-13-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-12-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-11-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-10-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-8-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-9-0x00007FFDFDD9A000-0x00007FFDFDD9B000-memory.dmp

          Filesize

          4KB

        • memory/3480-6-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/3480-4-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB