Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/01/2024, 04:39

General

  • Target
    837792f925aca842eba981ebc7aff9a1.dll
  • Size 2.2MB
  • Sample240131-e99awabgc7
  • SHA256 3806ec3c6ae591fb47c6b48f5dbfaf45d7500d6efb12c07311ecdc5e9c9d514d
  • 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 3 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\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\837792f925aca842eba981ebc7aff9a1.dll
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:3904
  • C:\Windows\system32\quickassist.exe
    C:\Windows\system32\quickassist.exe
    1⤵
      PID:656
    • C:\Users\Admin\AppData\Local\4cnzpoY\quickassist.exe
      C:\Users\Admin\AppData\Local\4cnzpoY\quickassist.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4832
    • C:\Windows\system32\MusNotificationUx.exe
      C:\Windows\system32\MusNotificationUx.exe
      1⤵
        PID:4224
      • C:\Users\Admin\AppData\Local\3J8wl4c\MusNotificationUx.exe
        C:\Users\Admin\AppData\Local\3J8wl4c\MusNotificationUx.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:4408
      • C:\Windows\system32\isoburn.exe
        C:\Windows\system32\isoburn.exe
        1⤵
          PID:2316
        • C:\Users\Admin\AppData\Local\3ZobJ\isoburn.exe
          C:\Users\Admin\AppData\Local\3ZobJ\isoburn.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1008

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              MusNotificationUx.exe

              • Path C:\Users\Admin\AppData\Local\3J8wl4c\MusNotificationUx.exe
              • Size 615KB
              • SHA256 405c2df9a36d7cfb5c8382c96f04792eb88c11a6cfa36b1d2ec3e0bec8d17361
              • MD5 SHA1 SHA512 SSDEEP

              XmlLite.dll

              • Path C:\Users\Admin\AppData\Local\3J8wl4c\XmlLite.dll
              • Size 2.2MB
              • SHA256 98cfdffaf902883364b3a625be4506ff6256507583b02fba5fc03071b775f517
              • MD5 SHA1 SHA512 SSDEEP

              UxTheme.dll

              • Path C:\Users\Admin\AppData\Local\3ZobJ\UxTheme.dll
              • Size 2.2MB
              • SHA256 86f8d6993e9a48698cd8cc161b443172a2ed10aef2608b0f1ccdf53f2c18f544
              • MD5 SHA1 SHA512 SSDEEP

              isoburn.exe

              • Path C:\Users\Admin\AppData\Local\3ZobJ\isoburn.exe
              • Size 119KB
              • SHA256 9478c095afe212bce91d2de1a3c3647109f2d54e46b9bf70843e839324458567
              • MD5 SHA1 SHA512 SSDEEP

              UxTheme.dll

              • Path C:\Users\Admin\AppData\Local\4cnzpoY\UxTheme.dll
              • Size 2.2MB
              • SHA256 d42eb85ce48c35c3da642ea90ca87df59c7986ce45c09c475303af8d9ed0a11f
              • MD5 SHA1 SHA512 SSDEEP

              quickassist.exe

              • Path C:\Users\Admin\AppData\Local\4cnzpoY\quickassist.exe
              • Size 665KB
              • SHA256 c1e8fda00da574e8759ba262d76b6edc1d5f4a80620730ef0be7527e0d803db2
              • MD5 SHA1 SHA512 SSDEEP

              Btpzaqnqvnv.lnk

              • Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Btpzaqnqvnv.lnk
              • Size 1KB
              • SHA256 74005608bb7afc7bbdd14824ea760fd2282855943f740147c3b1263a8332fb9e
              • MD5 SHA1 SHA512

              memory/1008-111-0x0000026180B40000-0x0000026180B47000-memory.dmp

              memory/3480-36-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-41-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-16-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-18-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-19-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-20-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-17-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-22-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-23-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-24-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-25-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-26-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-21-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-27-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-28-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-29-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-30-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-33-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-32-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-31-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-34-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-35-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-4-0x0000000001350000-0x0000000001351000-memory.dmp

              memory/3480-37-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-38-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-39-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-40-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-15-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-42-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-43-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-44-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-45-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-46-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-48-0x0000000001310000-0x0000000001317000-memory.dmp

              memory/3480-47-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-55-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-58-0x00007FFE93140000-0x00007FFE93150000-memory.dmp

              memory/3480-65-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-67-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-14-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-13-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-6-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-9-0x00007FFE914BA000-0x00007FFE914BB000-memory.dmp

              memory/3480-8-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-10-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-11-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3480-12-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3904-7-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3904-1-0x0000000140000000-0x0000000140232000-memory.dmp

              memory/3904-0-0x0000000000810000-0x0000000000817000-memory.dmp

              memory/4408-93-0x00000280567B0000-0x00000280567B7000-memory.dmp

              memory/4832-82-0x0000000140000000-0x0000000140233000-memory.dmp

              memory/4832-76-0x0000000140000000-0x0000000140233000-memory.dmp

              memory/4832-77-0x00000253A2F40000-0x00000253A2F47000-memory.dmp