Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-01-2025 07:52

General

  • Target

    bc159e0f9536f64b6e6ed1b51f693cb2b62b82de2ca7b1450e2ef058ae01eb80.dll

  • Size

    780KB

  • MD5

    a182362bcd4f647cddb6970228afe715

  • SHA1

    d197931c9255dfe7daba645d328656bc1e2dfa39

  • SHA256

    bc159e0f9536f64b6e6ed1b51f693cb2b62b82de2ca7b1450e2ef058ae01eb80

  • SHA512

    c49efae658487b0d76eaefd119d585572b72f8cf789daa9b3e7070c461886d33df8120d389057f9ea278cb37964d878514e49711451be22cd218f7ecb846496c

  • SSDEEP

    12288:rbP23onr2XV7KrPqgmNiQhDOy4/AT4r/E16K1QS/lsHAGHdDvRQ2sd1gqQ:rbe42XV7KWgmjDR/T4a/Mdjm

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 3 IoCs
  • Loads dropped DLL 3 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 10 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\bc159e0f9536f64b6e6ed1b51f693cb2b62b82de2ca7b1450e2ef058ae01eb80.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:4688
  • C:\Windows\system32\SndVol.exe
    C:\Windows\system32\SndVol.exe
    1⤵
      PID:3304
    • C:\Users\Admin\AppData\Local\Vvcn\SndVol.exe
      C:\Users\Admin\AppData\Local\Vvcn\SndVol.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:5044
    • C:\Windows\system32\WindowsActionDialog.exe
      C:\Windows\system32\WindowsActionDialog.exe
      1⤵
        PID:3356
      • C:\Users\Admin\AppData\Local\7Lf8l\WindowsActionDialog.exe
        C:\Users\Admin\AppData\Local\7Lf8l\WindowsActionDialog.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3008
      • C:\Windows\system32\sppsvc.exe
        C:\Windows\system32\sppsvc.exe
        1⤵
          PID:776
        • C:\Users\Admin\AppData\Local\e9yYva1\sppsvc.exe
          C:\Users\Admin\AppData\Local\e9yYva1\sppsvc.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4612

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\7Lf8l\DUI70.dll

          Filesize

          1.0MB

          MD5

          77098b5d2d32b26e58d8857954ef8f7d

          SHA1

          c26c207f91aba9acff3085416b2b90405d215fdc

          SHA256

          2c203d51e3462b1cde35454aacf742fcbf88b01bba2afd1417729b7d69a46182

          SHA512

          c757e1bb1cf740e91994ea0d5d44d52cedf3d6fba0689c665610cb9fc8e477d0ec7b14e3a8d5ef42fa385df2c2d3a2f0cbd74547d3b61ac15592629ba138f923

        • C:\Users\Admin\AppData\Local\7Lf8l\WindowsActionDialog.exe

          Filesize

          61KB

          MD5

          73c523b6556f2dc7eefc662338d66f8d

          SHA1

          1e6f9a1d885efa4d76f1e7a8be2e974f2b65cea5

          SHA256

          0c6397bfbcd7b1fcefb6de01a506578e36651725a61078c69708f1f92c41ea31

          SHA512

          69d0f23d1abaad657dd4672532936ef35f0e9d443caf9e19898017656a66ed46e75e7e05261c7e7636799c58feccd01dc93975d6a598cbb73242ddb48c6ec912

        • C:\Users\Admin\AppData\Local\Vvcn\SndVol.exe

          Filesize

          269KB

          MD5

          c5d939ac3f9d885c8355884199e36433

          SHA1

          b8f277549c23953e8683746e225e7af1c193ad70

          SHA256

          68b6ced01f5dfc2bc9556b005f4fff235a3d02449ad9f9e4de627c0e1424d605

          SHA512

          8488e7928e53085c00df096af2315490cd4b22ce2ce196b157dc0fbb820c5399a9dbd5dead40b24b99a4a32b6de66b4edc28339d7bacd9c1e7d5936604d1a4f0

        • C:\Users\Admin\AppData\Local\Vvcn\dwmapi.dll

          Filesize

          784KB

          MD5

          9bab32ebb21ff6ba77044d440aa078c8

          SHA1

          aedafc5b5996b9689dfef5886b0b097d9ff4392a

          SHA256

          9133454dd5a80288361d7d8bced29eb3a7e89ba11103fb69ac28b0878895e2ac

          SHA512

          b393fd4597f177d17d922e9cf31a1495d37331a0896c37b82d650518822ffed39e440c16d0fecea5e582597b490c1d38212afe452b9e2e98976b22ef073e545e

        • C:\Users\Admin\AppData\Local\e9yYva1\XmlLite.dll

          Filesize

          780KB

          MD5

          58f23e826af79ee648b21e9213f07547

          SHA1

          f4e445d56cd002f3342883350db88995262c58c6

          SHA256

          6a803d96bf89144257768c540d0c792e757c65be49294c52f590e426dee3c552

          SHA512

          945f37ccd2c9cf6f57f3f7de9f14fccf9134b311ff0dd1bade4a07b7622c3787794682ff2454c3bf455da125681ee9751e587b66dd981610566a36637ca72374

        • C:\Users\Admin\AppData\Local\e9yYva1\sppsvc.exe

          Filesize

          4.4MB

          MD5

          ec6cef0a81f167668e18fa32f1606fce

          SHA1

          6d56837a388ae5573a38a439cee16e6dde5b4de8

          SHA256

          82c59a2f606ebf1a8a0de16be150600ac63ad8351c6bf3952c27a70257cb70f8

          SHA512

          f40b37675329ca7875d958b4b0019082548a563ada217c7431c2ca5c7f93957b242f095f7f04bcdd6240b97ea99e89bfe3a003f97c43366d00a93768fef7b4c5

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

          Filesize

          1KB

          MD5

          3546de2ca5f5b9a6dbd4e8bc98e513e3

          SHA1

          c6a6eb992235bbb25328568a16631d403c47f5bd

          SHA256

          94b60c40b347b84f73524d4fd1e4a8148907666558ac4d9c3381ce160f77407d

          SHA512

          f971f456abfe5fb1e1bd89d27ca15d66c804e67111060469f241a8dfe4b5e45caa9195068bb90a1f4673dddf1fa5327c91b45e929be68516b8ec91842d736ede

        • memory/3008-64-0x000001CF12730000-0x000001CF12737000-memory.dmp

          Filesize

          28KB

        • memory/3008-67-0x0000000140000000-0x0000000140109000-memory.dmp

          Filesize

          1.0MB

        • memory/3008-61-0x0000000140000000-0x0000000140109000-memory.dmp

          Filesize

          1.0MB

        • memory/3464-23-0x0000000002A80000-0x0000000002A87000-memory.dmp

          Filesize

          28KB

        • memory/3464-12-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-11-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-10-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-9-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-8-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-33-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-35-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-5-0x0000000002AA0000-0x0000000002AA1000-memory.dmp

          Filesize

          4KB

        • memory/3464-15-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-4-0x00007FFE0C93A000-0x00007FFE0C93B000-memory.dmp

          Filesize

          4KB

        • memory/3464-7-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-13-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-22-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/3464-24-0x00007FFE0D540000-0x00007FFE0D550000-memory.dmp

          Filesize

          64KB

        • memory/4612-81-0x0000021301F20000-0x0000021301F27000-memory.dmp

          Filesize

          28KB

        • memory/4612-84-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/4688-0-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/4688-14-0x0000000140000000-0x00000001400C3000-memory.dmp

          Filesize

          780KB

        • memory/4688-3-0x00000285C5DF0000-0x00000285C5DF7000-memory.dmp

          Filesize

          28KB

        • memory/5044-50-0x0000000140000000-0x00000001400C4000-memory.dmp

          Filesize

          784KB

        • memory/5044-45-0x0000000140000000-0x00000001400C4000-memory.dmp

          Filesize

          784KB

        • memory/5044-44-0x000002A4BE700000-0x000002A4BE707000-memory.dmp

          Filesize

          28KB