Resubmissions

21/11/2025, 18:12

251121-wtl9vadq3v

11/11/2025, 00:19

251111-amds8swmcl10

11/05/2025, 06:45

250511-hjhl1swwbv10

Analysis

  • max time kernel
    899s
  • max time network
    444s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/11/2025, 00:19

General

  • Target
    Stealers/Dridex.dll
  • Size 1.2MB
  • Sample251111-amds8swmcl
  • SHA256 af26296c75ff26f7ee865df424522d75366ae3e2e80d7d9e89ef8c9398b0836d
  • 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 family
  • Dridex Shellcode 1 IoCs

    Detects Dridex Payload shellcode injected in Explorer process.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 14 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\Stealers\Dridex.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3440
  • C:\Windows\system32\cmstp.exe
    C:\Windows\system32\cmstp.exe
    1⤵
      PID:3376
    • C:\Users\Admin\AppData\Local\4IVK95ED\cmstp.exe
      C:\Users\Admin\AppData\Local\4IVK95ED\cmstp.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1676
    • C:\Windows\system32\mmc.exe
      C:\Windows\system32\mmc.exe
      1⤵
        PID:4504
      • C:\Users\Admin\AppData\Local\2mXK\mmc.exe
        C:\Users\Admin\AppData\Local\2mXK\mmc.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4152
      • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\WcAdXcYNW\mmc.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\WcAdXcYNW\mmc.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4740
      • C:\Windows\system32\phoneactivate.exe
        C:\Windows\system32\phoneactivate.exe
        1⤵
          PID:5088
        • C:\Users\Admin\AppData\Local\Q7NaMSv\phoneactivate.exe
          C:\Users\Admin\AppData\Local\Q7NaMSv\phoneactivate.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:5032
        • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\jHAWpXz6hl\cmstp.exe
          C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\jHAWpXz6hl\cmstp.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:3888

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              mmc.exe

              • Path C:\Users\Admin\AppData\Local\2mXK\mmc.exe
              • Size 1.8MB
              • SHA256 ad93f7968cb25b46bbc0f95f0f825748f28dc839ce902aa2eab797282b5d212e
              • MD5 SHA1 SHA512 SSDEEP

              mmcbase.DLL

              • Path C:\Users\Admin\AppData\Local\2mXK\mmcbase.DLL
              • Size 1.2MB
              • SHA256 6dce887ea7ed649d12e8b2963985228da5a417b5e22830fd46e9015f8475ea9f
              • MD5 SHA1 SHA512 SSDEEP

              VERSION.dll

              • Path C:\Users\Admin\AppData\Local\4IVK95ED\VERSION.dll
              • Size 1.2MB
              • SHA256 039145ac45a507d948ce7fea6af2ef8eb37fbc2d71411ac83a0826337741ada4
              • MD5 SHA1 SHA512 SSDEEP

              cmstp.exe

              • Path C:\Users\Admin\AppData\Local\4IVK95ED\cmstp.exe
              • Size 116KB
              • SHA256 5142f9ba10100441b5ae60484a2230fdeb7dbc0d2a6c099e9e560ddb9b6baf88
              • MD5 SHA1 SHA512 SSDEEP

              SLC.dll

              • Path C:\Users\Admin\AppData\Local\Q7NaMSv\SLC.dll
              • Size 1.2MB
              • SHA256 0218dc03fbcb261e5d37a1762dc2bdfea6baaf7d82d99577b214b1d0445f1013
              • MD5 SHA1 SHA512 SSDEEP

              phoneactivate.exe

              • Path C:\Users\Admin\AppData\Local\Q7NaMSv\phoneactivate.exe
              • Size 125KB
              • SHA256 7eb805ff4278bdcb9000521e5255a4b19c1b372e9279c6bfcc83dd6ff2098f8e
              • MD5 SHA1 SHA512 SSDEEP

              Vxhgjnwzypxcjoh.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Vxhgjnwzypxcjoh.lnk
              • Size 1KB
              • SHA256 68f9cebfc3590886e69c26c06223d86453ff42667bd56f725a62f9f1a5b0ccd3
              • MD5 SHA1 SHA512

              memory/1676-50-0x0000000140000000-0x0000000140144000-memory.dmp

              memory/1676-45-0x0000000140000000-0x0000000140144000-memory.dmp

              memory/1676-44-0x0000026F9A1D0000-0x0000026F9A1D7000-memory.dmp

              memory/3284-4-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

              memory/3284-15-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-9-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-8-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-7-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-6-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-10-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-68-0x0000000004300000-0x0000000004301000-memory.dmp

              memory/3284-13-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-12-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-24-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-33-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-27-0x0000000002F90000-0x0000000002F97000-memory.dmp

              memory/3284-28-0x00007FF9FA480000-0x00007FF9FA490000-memory.dmp

              memory/3284-11-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3284-14-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3440-36-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3440-0-0x00000198ED710000-0x00000198ED717000-memory.dmp

              memory/3440-2-0x0000000140000000-0x0000000140143000-memory.dmp

              memory/3888-432-0x0000000140000000-0x0000000140144000-memory.dmp

              memory/4152-65-0x0000000140000000-0x0000000140145000-memory.dmp

              memory/4152-62-0x0000000140000000-0x0000000140145000-memory.dmp

              memory/4152-61-0x0000000003190000-0x0000000003197000-memory.dmp

              memory/4740-77-0x0000000140000000-0x0000000140145000-memory.dmp

              memory/5032-90-0x0000000140000000-0x0000000140144000-memory.dmp