Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/03/2024, 10:33

General

  • Target
    7b1a8c22ef8e7b028d171abf3fdc6607e1ddbb48dcc342bc2a209019e544b0fb.dll
  • Size 736KB
  • Sample240305-ml1yladf22
  • SHA256 7b1a8c22ef8e7b028d171abf3fdc6607e1ddbb48dcc342bc2a209019e544b0fb
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Dridex payload 10 IoCs

    Detects Dridex x64 core DLL in memory.

  • 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\7b1a8c22ef8e7b028d171abf3fdc6607e1ddbb48dcc342bc2a209019e544b0fb.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:4904
  • C:\Windows\system32\shrpubw.exe
    C:\Windows\system32\shrpubw.exe
    1⤵
      PID:4172
    • C:\Users\Admin\AppData\Local\5wr\shrpubw.exe
      C:\Users\Admin\AppData\Local\5wr\shrpubw.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4776
    • C:\Windows\system32\SystemSettingsRemoveDevice.exe
      C:\Windows\system32\SystemSettingsRemoveDevice.exe
      1⤵
        PID:4348
      • C:\Users\Admin\AppData\Local\qVeuKUv4\SystemSettingsRemoveDevice.exe
        C:\Users\Admin\AppData\Local\qVeuKUv4\SystemSettingsRemoveDevice.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4272
      • C:\Windows\system32\eudcedit.exe
        C:\Windows\system32\eudcedit.exe
        1⤵
          PID:840
        • C:\Users\Admin\AppData\Local\qvQlEE\eudcedit.exe
          C:\Users\Admin\AppData\Local\qvQlEE\eudcedit.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3604

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              shrpubw.exe

              • Path C:\Users\Admin\AppData\Local\5wr\shrpubw.exe
              • Size 59KB
              • SHA256 6b84e6e55d8572d7edf0b6243d00abb651fcb0cddddac8461de5f9bb80035a2e
              • MD5 SHA1 SHA512 SSDEEP

              srvcli.dll

              • Path C:\Users\Admin\AppData\Local\5wr\srvcli.dll
              • Size 740KB
              • SHA256 a01702b34abee1f290df577652f1a48f00e4f1ac59594969050d311126ce4ad6
              • MD5 SHA1 SHA512 SSDEEP

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\qVeuKUv4\DUI70.dll
              • Size 1016KB
              • SHA256 6bbbd00267f361772de9bba9a700733ce3f7035e2055a92f700e838340fc4a8d
              • MD5 SHA1 SHA512 SSDEEP

              SystemSettingsRemoveDevice.exe

              • Path C:\Users\Admin\AppData\Local\qVeuKUv4\SystemSettingsRemoveDevice.exe
              • Size 39KB
              • SHA256 9500731b2a3442f11dfd08a8adfe027e7f32ef5834c628eed4b78be74168470d
              • MD5 SHA1 SHA512 SSDEEP

              MFC42u.dll

              • Path C:\Users\Admin\AppData\Local\qvQlEE\MFC42u.dll
              • Size 764KB
              • SHA256 47fb900f948001f28859d13bd9ecb76753bf17d472e8938d81e3a5de09db1689
              • MD5 SHA1 SHA512 SSDEEP

              eudcedit.exe

              • Path C:\Users\Admin\AppData\Local\qvQlEE\eudcedit.exe
              • Size 365KB
              • SHA256 83c8d1a7582b24b4bbc0d453c813487185c2b05c483bd1759ef647a7e7e92dfe
              • MD5 SHA1 SHA512 SSDEEP

              Qoupr.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Qoupr.lnk
              • Size 991B
              • SHA256 5498284023006a7ab3e756bbe73cd83926d4ad9e039be8b310023ac92224a078
              • MD5 SHA1 SHA512

              memory/3444-19-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-40-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-12-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-8-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-13-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-14-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-15-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-16-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-18-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-17-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-21-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-20-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-22-0x0000000002930000-0x0000000002937000-memory.dmp

              memory/3444-3-0x0000000002920000-0x0000000002921000-memory.dmp

              memory/3444-31-0x00007FFC31B30000-0x00007FFC31B40000-memory.dmp

              memory/3444-30-0x00007FFC31B40000-0x00007FFC31B50000-memory.dmp

              memory/3444-29-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-11-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-5-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-9-0x00007FFC30E0A000-0x00007FFC30E0B000-memory.dmp

              memory/3444-10-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-6-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3444-7-0x0000000140000000-0x00000001400B8000-memory.dmp

              memory/3604-85-0x00007FFC145B0000-0x00007FFC1466F000-memory.dmp

              memory/4272-66-0x00007FFC22B00000-0x00007FFC22BFE000-memory.dmp

              memory/4272-67-0x0000012C4ACA0000-0x0000012C4ACA7000-memory.dmp

              memory/4272-71-0x00007FFC22B00000-0x00007FFC22BFE000-memory.dmp

              memory/4776-55-0x00007FFC22B00000-0x00007FFC22BB9000-memory.dmp

              memory/4776-51-0x00000233A98F0000-0x00000233A98F7000-memory.dmp

              memory/4776-50-0x00007FFC22B00000-0x00007FFC22BB9000-memory.dmp

              memory/4904-43-0x00007FFC26D30000-0x00007FFC26DE8000-memory.dmp

              memory/4904-0-0x00007FFC26D30000-0x00007FFC26DE8000-memory.dmp

              memory/4904-1-0x00000171E0EC0000-0x00000171E0EC7000-memory.dmp