Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 16:54

General

  • Target

    f913bdd039587c029c16ebf46f2a7aa3.dll

  • Size

    2.3MB

  • MD5

    f913bdd039587c029c16ebf46f2a7aa3

  • SHA1

    f3dc9a0c28daedbe2ed05a7f74196b9e2021aaec

  • SHA256

    bb2a735d3f812793ac73c336d9f50b5925a25a1788ebc7232e19fc2e007da26b

  • SHA512

    a077469ee0ffc12648c43b35fed235a64f5662444da93791fc54a61ccf0b2619e279f919221555818746d70e1039d86ae70cda2f20104bcec3087a47f0d3c51f

  • SSDEEP

    12288:VVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1XVtag:MfP7fWsK5z9A+WGAW+V5SB6Ct4bnbX

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 7 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 18 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\f913bdd039587c029c16ebf46f2a7aa3.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3004
  • C:\Windows\system32\wbengine.exe
    C:\Windows\system32\wbengine.exe
    1⤵
      PID:2452
    • C:\Users\Admin\AppData\Local\G0nRpQt9\wbengine.exe
      C:\Users\Admin\AppData\Local\G0nRpQt9\wbengine.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2488
    • C:\Users\Admin\AppData\Local\TLTWrYu9\Netplwiz.exe
      C:\Users\Admin\AppData\Local\TLTWrYu9\Netplwiz.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1684
    • C:\Windows\system32\Netplwiz.exe
      C:\Windows\system32\Netplwiz.exe
      1⤵
        PID:1904
      • C:\Users\Admin\AppData\Local\HqmwQs2\SndVol.exe
        C:\Users\Admin\AppData\Local\HqmwQs2\SndVol.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1640
      • C:\Windows\system32\SndVol.exe
        C:\Windows\system32\SndVol.exe
        1⤵
          PID:1804

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1268-33-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-7-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-4-0x0000000076CD6000-0x0000000076CD7000-memory.dmp

          Filesize

          4KB

        • memory/1268-12-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-25-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-39-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-46-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-47-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-48-0x0000000002980000-0x0000000002987000-memory.dmp

          Filesize

          28KB

        • memory/1268-57-0x0000000076F40000-0x0000000076F42000-memory.dmp

          Filesize

          8KB

        • memory/1268-56-0x0000000076DE1000-0x0000000076DE2000-memory.dmp

          Filesize

          4KB

        • memory/1268-66-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-157-0x0000000076CD6000-0x0000000076CD7000-memory.dmp

          Filesize

          4KB

        • memory/1268-72-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-55-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-45-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-44-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-43-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-42-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-41-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-40-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-38-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-5-0x0000000002D60000-0x0000000002D61000-memory.dmp

          Filesize

          4KB

        • memory/1268-36-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-35-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-34-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-37-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-32-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-22-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-30-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-29-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-28-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-9-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-27-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-26-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-24-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-23-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-31-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-21-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-20-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-19-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-18-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-17-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-16-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-15-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-14-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-13-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-11-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1268-10-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/1640-127-0x0000000000100000-0x0000000000107000-memory.dmp

          Filesize

          28KB

        • memory/1684-110-0x0000000000320000-0x0000000000327000-memory.dmp

          Filesize

          28KB

        • memory/2488-86-0x0000000001F20000-0x0000000001F27000-memory.dmp

          Filesize

          28KB

        • memory/3004-8-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/3004-0-0x0000000140000000-0x0000000140247000-memory.dmp

          Filesize

          2.3MB

        • memory/3004-1-0x0000000000290000-0x0000000000297000-memory.dmp

          Filesize

          28KB