Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    22-12-2023 17:08

General

  • Target

    fb8ef1d9b849463e08f469bc0ab5ab58.dll

  • Size

    2.9MB

  • MD5

    fb8ef1d9b849463e08f469bc0ab5ab58

  • SHA1

    732ed4aaebbfce62885e91d1e76bfe60327a4454

  • SHA256

    19988509d5eafd5dbd7ece29cfbe82adec569eea950c757aca5053e34c0ab652

  • SHA512

    c77e066d96627df6d7ff281ca026683d32c96e13b702a27eb39a84524f816d685969c32cf70ae25af56d27a8a07a11f9da32885675dfd896bc7b7cacab4eb954

  • SSDEEP

    12288:WVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:LfP7fWsK5z9A+WGAW+V5SB6Ct4bnb

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\fb8ef1d9b849463e08f469bc0ab5ab58.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2020
  • C:\Windows\system32\xpsrchvw.exe
    C:\Windows\system32\xpsrchvw.exe
    1⤵
      PID:2120
    • C:\Users\Admin\AppData\Local\RI9p\xpsrchvw.exe
      C:\Users\Admin\AppData\Local\RI9p\xpsrchvw.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2364
    • C:\Windows\system32\dpnsvr.exe
      C:\Windows\system32\dpnsvr.exe
      1⤵
        PID:2836
      • C:\Users\Admin\AppData\Local\uOd4YjcIc\dpnsvr.exe
        C:\Users\Admin\AppData\Local\uOd4YjcIc\dpnsvr.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2892
      • C:\Windows\system32\taskmgr.exe
        C:\Windows\system32\taskmgr.exe
        1⤵
          PID:756
        • C:\Users\Admin\AppData\Local\PdD\taskmgr.exe
          C:\Users\Admin\AppData\Local\PdD\taskmgr.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1464

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Adobe\Flash Player\NativeCache\HxFEs8xz\Secur32.dll

          Filesize

          25KB

          MD5

          6d7802aa9a18e218f23ed1554933d1bc

          SHA1

          d4f102bf8da38f9952c2a3a1d9247f0e1ac3562f

          SHA256

          14be8cd5f285affbdc573f7d4cd0e6fcd24f7f08521b3d8e65369cb0182ce004

          SHA512

          eb175959e24945f221550841cea92509cd4776bd219b4771e8bf66ede06631a6560ff4bdd3bfb54989bb1c9d41c569969bb8cb3d1e478116930acc1d9dddedd7

        • C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\EZ8\WINMM.dll

          Filesize

          15KB

          MD5

          af9f44e6186cdddae594dd4896277b87

          SHA1

          32c128d361fe19d5ffee9a6990c2ecc063954566

          SHA256

          74fd2750982827b5c971d5df206d6dc42def68aa73ee2e6df214315c9ae6cdf8

          SHA512

          31aca13d469a8d11a00c9050ad00c1f52589c6b333a1142cc96eafe7f3e75b0a3482a029eb190779c3d73fcb50a3ae657e5dd38b32bcdc23f045248c3615e29a

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\Low\YaiU07E\WINMM.dll

          Filesize

          901B

          MD5

          88ff0f95811f34dee4dda0c7315fdfa0

          SHA1

          1b86cb4ec5b49248ad09a939a886c7163466ba49

          SHA256

          081ebd5fc026239914280e33ee880f6a5b122cf32711af185002b3434b30a9d6

          SHA512

          a11e6fe2948192407b9888aed87b5797524f52dfdcec56c481aac253125ab45cac9e09182997d2670380aeeab2382bf55b82a531526c7602f0ee63d3121575be

        • memory/1236-53-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-19-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-9-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-10-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-15-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-50-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-18-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-21-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-23-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-49-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-25-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-31-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-30-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-34-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-38-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-41-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-45-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-51-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-55-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-59-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-64-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-69-0x0000000002AD0000-0x0000000002AD7000-memory.dmp

          Filesize

          28KB

        • memory/1236-65-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-62-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-63-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-77-0x0000000077A31000-0x0000000077A32000-memory.dmp

          Filesize

          4KB

        • memory/1236-78-0x0000000077B90000-0x0000000077B92000-memory.dmp

          Filesize

          8KB

        • memory/1236-61-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-60-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-57-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-58-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-56-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-54-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-5-0x0000000002AF0000-0x0000000002AF1000-memory.dmp

          Filesize

          4KB

        • memory/1236-4-0x0000000077826000-0x0000000077827000-memory.dmp

          Filesize

          4KB

        • memory/1236-8-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-27-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-48-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-47-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-46-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-44-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-42-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-43-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-40-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-39-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-36-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-37-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-35-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-32-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-33-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-29-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-28-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-26-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-24-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-22-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-20-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-17-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-16-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-13-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-14-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-12-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-11-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/1236-172-0x0000000077826000-0x0000000077827000-memory.dmp

          Filesize

          4KB

        • memory/1236-52-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/2020-1-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/2020-0-0x0000000000230000-0x0000000000237000-memory.dmp

          Filesize

          28KB

        • memory/2020-7-0x0000000140000000-0x00000001402E5000-memory.dmp

          Filesize

          2.9MB

        • memory/2364-105-0x0000000000180000-0x0000000000187000-memory.dmp

          Filesize

          28KB

        • memory/2892-130-0x00000000001A0000-0x00000000001A7000-memory.dmp

          Filesize

          28KB