Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23-01-2024 23:33

General

  • Target

    70d94e86e118a27adfe3f75b8db4134c.dll

  • Size

    2.1MB

  • MD5

    70d94e86e118a27adfe3f75b8db4134c

  • SHA1

    252169f8b3b9f7e3187e1c25ee2e7561de450968

  • SHA256

    814d959ae1800dc9c90f630f8f204a2f36fca00c3c4fe9c460b399f957e499f6

  • SHA512

    815381ef381bcc883564b00866ce22a22e910d948885d107c3a679c87ddd99dc8c23723ac825ec8594ba67233622d79599ad9207d9dccc3476163703c44b3052

  • SSDEEP

    12288:BVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1Web:wfP7fWsK5z9A+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\70d94e86e118a27adfe3f75b8db4134c.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2620
  • C:\Windows\system32\rdpshell.exe
    C:\Windows\system32\rdpshell.exe
    1⤵
      PID:792
    • C:\Users\Admin\AppData\Local\yXZXbms\rdpshell.exe
      C:\Users\Admin\AppData\Local\yXZXbms\rdpshell.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1224
    • C:\Windows\system32\mfpmp.exe
      C:\Windows\system32\mfpmp.exe
      1⤵
        PID:2872
      • C:\Users\Admin\AppData\Local\XLa3BNRX\mfpmp.exe
        C:\Users\Admin\AppData\Local\XLa3BNRX\mfpmp.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2908
      • C:\Windows\system32\Netplwiz.exe
        C:\Windows\system32\Netplwiz.exe
        1⤵
          PID:1648
        • C:\Users\Admin\AppData\Local\I9STuLf\Netplwiz.exe
          C:\Users\Admin\AppData\Local\I9STuLf\Netplwiz.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2528

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\I9STuLf\NETPLWIZ.dll

          Filesize

          2.1MB

          MD5

          8b4ba01cdf461baa5ca482bf14764ba3

          SHA1

          6dca238f72a1746b8d200e4288c79a5188af0c16

          SHA256

          67b8a717482394a88562c9d1b4d716b97847f6e48d293d03c556f5e8e3b42914

          SHA512

          8a727b66a716a52ddbd5f4e76c81d8a6ccfef79b1ca30b619e128c75decd6fbf45f25d7c925a364d335275f40b160b1df64896ca309be0103f8fe604d03a6793

        • C:\Users\Admin\AppData\Local\XLa3BNRX\MFPlat.DLL

          Filesize

          2.1MB

          MD5

          adc27ed190805f426a47276e6eb0860c

          SHA1

          dc76857edce83d98a0134c7c7b5dd229e9393396

          SHA256

          bb6fd2aaa03affc185a1eef0852b766b4b070624251587da955e7e10cf44992e

          SHA512

          bbd9c050f3d607b48f30b63ba666b2daa66452fe5f3e09219d5609d61c0ee9b1fab0cd023918092c28c2b9f0dd5e3c50aa6b0e14fc229bbfa598ca5da9577733

        • C:\Users\Admin\AppData\Local\XLa3BNRX\mfpmp.exe

          Filesize

          24KB

          MD5

          2d8600b94de72a9d771cbb56b9f9c331

          SHA1

          a0e2ac409159546183aa45875497844c4adb5aac

          SHA256

          7d8d8918761b8b6c95758375a6e7cf7fb8e43abfdd3846476219883ef3f8c185

          SHA512

          3aaa6619f29434c294b9b197c3b86fdc5d88b0254c8f35f010c9b5f254fd47fbc3272412907e2a5a4f490bda2acfbbd7a90f968e25067abf921b934d2616eafc

        • C:\Users\Admin\AppData\Local\yXZXbms\WTSAPI32.dll

          Filesize

          2.1MB

          MD5

          5bab47ee8ba19cb9aee89f27c744d362

          SHA1

          5f7689ae6e4320c3e71cefb235764499912f7336

          SHA256

          f77206b2b83c746e17e2115d57dabb5ba7d9a0ea61d811aa2e43dc1e9d44eb5c

          SHA512

          5c782d0fe67918a43d35eb04d3fcd362edbd3a0337ff45d65c2bd5c409d6cf5d793843be386d2c08014640d97e0c73ff81445b63a8a0952fe76a4aed9f805526

        • C:\Users\Admin\AppData\Local\yXZXbms\rdpshell.exe

          Filesize

          292KB

          MD5

          a62dfcea3a58ba8fcf32f831f018fe3f

          SHA1

          75f7690b19866f2c2b3dd3bfdff8a1c6fa8e958b

          SHA256

          f8346a44f12e5b1ca6beaae5fbdf5f7f494ba204379c21d1875b03ba6da6152e

          SHA512

          9a3df5be95017c23ab144302d2275654e86193e2cd94957d5f72bda3cb171ec2a6da14e6631a7fd4fd053b4529f4083aa287ada57484ad0ee01a8e5b2b54c603

        • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Ercyejwqgvsruoy.lnk

          Filesize

          1KB

          MD5

          e39f8b28f846139d2278941c9fdb6e38

          SHA1

          54e132ca6d3aee5badb0b3679225d941b84dbd61

          SHA256

          e0a10d6d2ec3d922fa4a2a1725d80d581d35e0ba95e9db0232ddeaa080b6e229

          SHA512

          42ff14eae0411e1cd4e2e42a7b0ec1730a8a1a0590a551055352793fd8527ecd6fa101395aa8ebddd132c6888ae1761d4dd41cf858e4e075a18cf5b011970801

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\IETldCache\Low\AlBs0LYBY\WTSAPI32.dll

          Filesize

          1.9MB

          MD5

          a42d3eb85cf075abfbe414b34c8dfe07

          SHA1

          4460646fc55d8649bc2988cb0508c430a4a354c3

          SHA256

          12826290bb2c318c338b2aca289749d6a74330cb2585334912ce7b4c32c89b16

          SHA512

          0fb6767fa7786c53f1425f331e90a2cf521e03a9e6a128a88c004a2a29a3b59accbf0d001db5bdf070618b4f9f72e9a961c76a5c7c89b21382b994498cab6a54

        • \Users\Admin\AppData\Local\I9STuLf\Netplwiz.exe

          Filesize

          26KB

          MD5

          e43ec3c800d4c0716613392e81fba1d9

          SHA1

          37de6a235e978ecf3bb0fc2c864016c5b0134348

          SHA256

          636606415a85a16a7e6c5c8fcbdf35494991bce1c37dfc19c75ecb7ce12dc65c

          SHA512

          176c6d8b87bc5a9ca06698e2542ff34d474bcbbf21278390127981366eda89769bd9dd712f3b34f4dd8332a0b40ee0e609276400f16b51999471c8ff24522a08

        • memory/1224-85-0x0000000000310000-0x0000000000317000-memory.dmp

          Filesize

          28KB

        • memory/1388-36-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-42-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-17-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-18-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-19-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-20-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-21-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-22-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-23-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-24-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-25-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-26-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-27-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-28-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-29-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-30-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-31-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-32-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-33-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-34-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-35-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-4-0x0000000077656000-0x0000000077657000-memory.dmp

          Filesize

          4KB

        • memory/1388-37-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-38-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-39-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-40-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-41-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-16-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-43-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-44-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-45-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-46-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-47-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-48-0x0000000002630000-0x0000000002637000-memory.dmp

          Filesize

          28KB

        • memory/1388-55-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-56-0x0000000077761000-0x0000000077762000-memory.dmp

          Filesize

          4KB

        • memory/1388-57-0x00000000778C0000-0x00000000778C2000-memory.dmp

          Filesize

          8KB

        • memory/1388-66-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-72-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-76-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-15-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-14-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-13-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-12-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-11-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-10-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-9-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-140-0x0000000077656000-0x0000000077657000-memory.dmp

          Filesize

          4KB

        • memory/1388-7-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/1388-5-0x0000000002660000-0x0000000002661000-memory.dmp

          Filesize

          4KB

        • memory/2620-0-0x0000000000190000-0x0000000000197000-memory.dmp

          Filesize

          28KB

        • memory/2620-1-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB

        • memory/2620-8-0x0000000140000000-0x0000000140220000-memory.dmp

          Filesize

          2.1MB