Analysis

  • max time kernel
    152s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2024, 00:40

General

  • Target
    b61298b4b340f3a57d4e1216722c7e2d.dll
  • Size 1.7MB
  • Sample240306-a1fvrafb84
  • SHA256 116b610affb1898e95f6a58cc4da374a05a0188c4bdf6e4feaab6e97154ec983
  • 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.

  • Drops startup file 3 IoCs
  • 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 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\b61298b4b340f3a57d4e1216722c7e2d.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:392
  • C:\Windows\system32\dccw.exe
    C:\Windows\system32\dccw.exe
    1⤵
      PID:1384
    • C:\Users\Admin\AppData\Local\3mb\dccw.exe
      C:\Users\Admin\AppData\Local\3mb\dccw.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:536
    • C:\Windows\system32\dpapimig.exe
      C:\Windows\system32\dpapimig.exe
      1⤵
        PID:3376
      • C:\Users\Admin\AppData\Local\157\dpapimig.exe
        C:\Users\Admin\AppData\Local\157\dpapimig.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4340
      • C:\Windows\system32\MDMAppInstaller.exe
        C:\Windows\system32\MDMAppInstaller.exe
        1⤵
          PID:556
        • C:\Users\Admin\AppData\Local\R9ESWB0\MDMAppInstaller.exe
          C:\Users\Admin\AppData\Local\R9ESWB0\MDMAppInstaller.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2440

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              DUI70.dll

              • Path C:\Users\Admin\AppData\Local\157\DUI70.dll
              • Size 2.0MB
              • SHA256 8bd1de244ef6fd7e4a059f5cb972a13bef1f8e7c2fd81ae97058f04b74a64191
              • MD5 SHA1 SHA512 SSDEEP

              dpapimig.exe

              • Path C:\Users\Admin\AppData\Local\157\dpapimig.exe
              • Size 76KB
              • SHA256 a8147d08b82609c72d588a0a604cd3c1f2076befcc719d282c7cbd6525ae89eb
              • MD5 SHA1 SHA512 SSDEEP

              dccw.exe

              • Path C:\Users\Admin\AppData\Local\3mb\dccw.exe
              • Size 101KB
              • SHA256 f7f3300b78148a34f6a35796c777a832b638b6d3193e11f4a37f45d4c6dfa845
              • MD5 SHA1 SHA512 SSDEEP

              mscms.dll

              • Path C:\Users\Admin\AppData\Local\3mb\mscms.dll
              • Size 1.7MB
              • SHA256 6e15d41bf8115f713b8b8508be2bd8de7c36611745b8fd1a4cf1f17f592ec4c9
              • MD5 SHA1 SHA512 SSDEEP

              MDMAppInstaller.exe

              • Path C:\Users\Admin\AppData\Local\R9ESWB0\MDMAppInstaller.exe
              • Size 151KB
              • SHA256 dc821931f63117962e2266acd3266e86bf8116d4a14b3adbebfade1d40b84766
              • MD5 SHA1 SHA512 SSDEEP

              WTSAPI32.dll

              • Path C:\Users\Admin\AppData\Local\R9ESWB0\WTSAPI32.dll
              • Size 1.7MB
              • SHA256 b6aab987aab9f08b4985713dede47240c3a7975efef740d4d3a39b9d8f2bf122
              • MD5 SHA1 SHA512 SSDEEP

              Vuzdvithyifjda.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Vuzdvithyifjda.lnk
              • Size 1KB
              • SHA256 4fc8519303e2632f1ad980f2592f0bb833bc63b1f98aee3b02909d244b53ea51
              • MD5 SHA1 SHA512

              memory/392-8-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/392-0-0x000001D4FA710000-0x000001D4FA717000-memory.dmp

              memory/392-1-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/536-69-0x0000000140000000-0x00000001401B4000-memory.dmp

              memory/536-74-0x0000000140000000-0x00000001401B4000-memory.dmp

              memory/536-68-0x000001B6A1EB0000-0x000001B6A1EB7000-memory.dmp

              memory/2440-102-0x0000000140000000-0x00000001401B3000-memory.dmp

              memory/2440-103-0x0000022F24500000-0x0000022F24507000-memory.dmp

              memory/2440-108-0x0000000140000000-0x00000001401B3000-memory.dmp

              memory/3320-16-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-39-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-21-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-22-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-23-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-24-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-25-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-26-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-27-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-28-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-29-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-30-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-31-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-32-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-33-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-34-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-35-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-36-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-37-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-38-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-40-0x0000000000750000-0x0000000000757000-memory.dmp

              memory/3320-19-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-47-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-48-0x00007FFCAB800000-0x00007FFCAB810000-memory.dmp

              memory/3320-57-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-59-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-20-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-18-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-17-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-15-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-14-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-13-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-12-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-5-0x00007FFCAA78A000-0x00007FFCAA78B000-memory.dmp

              memory/3320-4-0x0000000002650000-0x0000000002651000-memory.dmp

              memory/3320-7-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-11-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-10-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/3320-9-0x0000000140000000-0x00000001401B2000-memory.dmp

              memory/4340-91-0x0000000140000000-0x00000001401F8000-memory.dmp

              memory/4340-86-0x0000000140000000-0x00000001401F8000-memory.dmp

              memory/4340-85-0x0000022F73EB0000-0x0000022F73EB7000-memory.dmp