Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 03:36

General

  • Target
    7c0b7776d8e7e775fb646f2bf3c91c46.dll
  • Size 1.8MB
  • Sample240128-d589msadf8
  • SHA256 6e2ba94de342be1b5ed71468cb2628106a823c38419cbb3fc6f612465523853b
  • 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.

  • 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 AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c0b7776d8e7e775fb646f2bf3c91c46.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:5028
  • C:\Windows\system32\tabcal.exe
    C:\Windows\system32\tabcal.exe
    1⤵
      PID:4624
    • C:\Users\Admin\AppData\Local\KgDgCLleX\tabcal.exe
      C:\Users\Admin\AppData\Local\KgDgCLleX\tabcal.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4636
    • C:\Windows\system32\BdeUISrv.exe
      C:\Windows\system32\BdeUISrv.exe
      1⤵
        PID:4400
      • C:\Users\Admin\AppData\Local\ps3g\BdeUISrv.exe
        C:\Users\Admin\AppData\Local\ps3g\BdeUISrv.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4896
      • C:\Windows\system32\AtBroker.exe
        C:\Windows\system32\AtBroker.exe
        1⤵
          PID:2952
        • C:\Users\Admin\AppData\Local\43C\AtBroker.exe
          C:\Users\Admin\AppData\Local\43C\AtBroker.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:960

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              AtBroker.exe

              • Path C:\Users\Admin\AppData\Local\43C\AtBroker.exe
              • Size 90KB
              • SHA256 ae7b1e298a6e38f0a3428151bfc5565ede50a8d98dafaa147b13cf89c61f2ddd
              • MD5 SHA1 SHA512 SSDEEP

              UxTheme.dll

              • Path C:\Users\Admin\AppData\Local\43C\UxTheme.dll
              • Size 1.8MB
              • SHA256 6098597b8235df47ef83d204c96f3056310691690796fb2fb187837db67d6f39
              • MD5 SHA1 SHA512 SSDEEP

              HID.DLL

              • Path C:\Users\Admin\AppData\Local\KgDgCLleX\HID.DLL
              • Size 1.8MB
              • SHA256 9eccf2ac1cac8c0627a5a49f32327646540d11bd9665521b79264985adeea6b9
              • MD5 SHA1 SHA512 SSDEEP

              tabcal.exe

              • Path C:\Users\Admin\AppData\Local\KgDgCLleX\tabcal.exe
              • Size 84KB
              • SHA256 f31b4c751dbca276446119ba775787c3eb032da72eabcd40ad96a55826a3f33c
              • MD5 SHA1 SHA512 SSDEEP

              BdeUISrv.exe

              • Path C:\Users\Admin\AppData\Local\ps3g\BdeUISrv.exe
              • Size 54KB
              • SHA256 20b05c77f898be08737082e969b39f54fa39753c8c0a06142eb7ad5e0764a2db
              • MD5 SHA1 SHA512 SSDEEP

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\ps3g\WTSAPI32.dll
              • Size 1.8MB
              • SHA256 ae0e4c90b8c07841001790b6caf1ed3eac1cae74bf0bdf244824c027be780099
              • MD5 SHA1 SHA512 SSDEEP

              Btpzaqnqvnv.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Btpzaqnqvnv.lnk
              • Size 1KB
              • SHA256 63fe54526deaf8292d3d23ebcf47a672f1d5b2305bc317428533e10a58e9a0b4
              • MD5 SHA1 SHA512

              memory/960-113-0x000001AC7CA00000-0x000001AC7CA07000-memory.dmp

              memory/3408-36-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-41-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-17-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-16-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-21-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-20-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-22-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-23-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-24-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-15-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-11-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-25-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-26-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-27-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-28-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-29-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-30-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-31-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-32-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-33-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-34-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-35-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-4-0x0000000001260000-0x0000000001261000-memory.dmp

              memory/3408-37-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-38-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-39-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-40-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-19-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-42-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-43-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-44-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-45-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-46-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-47-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-49-0x0000000001240000-0x0000000001247000-memory.dmp

              memory/3408-48-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-56-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-57-0x00007FFD97820000-0x00007FFD97830000-memory.dmp

              memory/3408-66-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-68-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-14-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-13-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-6-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-8-0x00007FFD96C5A000-0x00007FFD96C5B000-memory.dmp

              memory/3408-7-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-12-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-10-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/3408-9-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/4636-83-0x0000000140000000-0x00000001401CA000-memory.dmp

              memory/4636-78-0x0000020F3DEA0000-0x0000020F3DEA7000-memory.dmp

              memory/4636-77-0x0000000140000000-0x00000001401CA000-memory.dmp

              memory/4896-96-0x0000012A3D710000-0x0000012A3D717000-memory.dmp

              memory/5028-1-0x0000000140000000-0x00000001401C9000-memory.dmp

              memory/5028-0-0x0000021ED6110000-0x0000021ED6117000-memory.dmp

              memory/5028-18-0x0000000140000000-0x00000001401C9000-memory.dmp