Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 16:27

General

  • Target

    ef80a26b9b53544e6ece76e1f163edfe.dll

  • Size

    3.5MB

  • MD5

    ef80a26b9b53544e6ece76e1f163edfe

  • SHA1

    c15d4c24a6039135c6d9c694c547afe9d5f32941

  • SHA256

    3e4452a0f8ad4d71bf7fa8a9f39acd16c2dc8480781308d33208229f188f6540

  • SHA512

    d5504b28d1c8197f1419f42f3f6eb3f68683facc95957a3d1b2a7e221fba07aeccdb3cfc1adb097637b8a92f7db6289ddf2a31a5a56ae02d20c108dffdc0ed5a

  • SSDEEP

    12288:6VI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ17dv:nfP7fWsK5z9A+WGAW+V5SB6Ct4bnbZ

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 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of UnmapMainImage 1 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ef80a26b9b53544e6ece76e1f163edfe.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:860
  • C:\Windows\system32\dxgiadaptercache.exe
    C:\Windows\system32\dxgiadaptercache.exe
    1⤵
      PID:1976
    • C:\Windows\system32\MoUsoCoreWorker.exe
      C:\Windows\system32\MoUsoCoreWorker.exe
      1⤵
        PID:3932
      • C:\Windows\system32\FXSCOVER.exe
        C:\Windows\system32\FXSCOVER.exe
        1⤵
          PID:4676
        • C:\Users\Admin\AppData\Local\hRSYc8\MoUsoCoreWorker.exe
          C:\Users\Admin\AppData\Local\hRSYc8\MoUsoCoreWorker.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4440
        • C:\Users\Admin\AppData\Local\YhM\dxgiadaptercache.exe
          C:\Users\Admin\AppData\Local\YhM\dxgiadaptercache.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1092
        • C:\Users\Admin\AppData\Local\5zk8\FXSCOVER.exe
          C:\Users\Admin\AppData\Local\5zk8\FXSCOVER.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:896

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Printer Shortcuts\TENySq7mwF2\MFC42u.dll

          Filesize

          32KB

          MD5

          83031cf1450e516aedc8c530151c0414

          SHA1

          7b9809a01920af7a1e452ed16081d9daa38cf019

          SHA256

          dd3365e977ff2978959f820a75f09a91bd881a45d17dc9f2a509737f98ae7d2e

          SHA512

          cfbafe2bfda1983bd9a44f065f0a808f471d98244bcbe64bcbeae04a18236b12da9b9b96684b0b1d72ed46836d60d119b487ee54924933938a7d22243ee1b778

        • memory/860-1-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/860-4-0x0000000000B00000-0x0000000000B07000-memory.dmp

          Filesize

          28KB

        • memory/860-8-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/896-159-0x0000000140000000-0x0000000140384000-memory.dmp

          Filesize

          3.5MB

        • memory/896-154-0x0000016B5A570000-0x0000016B5A577000-memory.dmp

          Filesize

          28KB

        • memory/896-152-0x0000000140000000-0x0000000140384000-memory.dmp

          Filesize

          3.5MB

        • memory/1092-115-0x000001373D080000-0x000001373D3FE000-memory.dmp

          Filesize

          3.5MB

        • memory/1092-121-0x0000000140000000-0x000000014037E000-memory.dmp

          Filesize

          3.5MB

        • memory/1092-117-0x000001373E8C0000-0x000001373E8C7000-memory.dmp

          Filesize

          28KB

        • memory/1092-113-0x0000000140000000-0x000000014037E000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-91-0x00007FFAEC960000-0x00007FFAEC970000-memory.dmp

          Filesize

          64KB

        • memory/3396-33-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-29-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-32-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-35-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-37-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-36-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-40-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-43-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-45-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-49-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-53-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-56-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-57-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-59-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-62-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-66-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-65-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-64-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-63-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-61-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-60-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-83-0x00000000010D0000-0x00000000010D7000-memory.dmp

          Filesize

          28KB

        • memory/3396-58-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-55-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-54-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-22-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-52-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-18-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-14-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-7-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-9-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-5-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

          Filesize

          4KB

        • memory/3396-13-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-15-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-51-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-50-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-48-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-12-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-11-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-10-0x00007FFAEC52A000-0x00007FFAEC52B000-memory.dmp

          Filesize

          4KB

        • memory/3396-47-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-46-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-44-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-42-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-41-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-39-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-38-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-34-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-26-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-31-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-30-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-28-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-27-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-24-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-25-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-23-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-21-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-20-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-19-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-17-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/3396-16-0x0000000140000000-0x000000014037D000-memory.dmp

          Filesize

          3.5MB

        • memory/4440-140-0x0000000140000000-0x000000014037E000-memory.dmp

          Filesize

          3.5MB

        • memory/4440-134-0x0000000140000000-0x000000014037E000-memory.dmp

          Filesize

          3.5MB

        • memory/4440-136-0x000001F26ED80000-0x000001F26ED87000-memory.dmp

          Filesize

          28KB