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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10/10/2024, 20:06 UTC

General

  • Target

    4c29136a7c79c79409ce8255d3b6157b4fc08a591220993bb90645f2acac2cab.dll

  • Size

    940KB

  • MD5

    4087adacea74316cd6099ea4f269c758

  • SHA1

    a5d17da00274ea0ce366dd891baca90be38b587b

  • SHA256

    4c29136a7c79c79409ce8255d3b6157b4fc08a591220993bb90645f2acac2cab

  • SHA512

    f6377700b210cc2503f495a68dc6485ba880c5a88724657b6851c6889be808d2650f77bd3303c0088da2e518d305b2d29797d565dce19502d8cea4c5b52d29ed

  • SSDEEP

    12288:EPVKLvdxQPKSoVXxTaGcb68Uzx2TBeOWhZJpK8:EtKTrsKSKBTSb6DUXWq8

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.

  • Dridex payload 11 IoCs

    Detects Dridex x64 core DLL in memory.

  • 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
  • Event Triggered Execution: Accessibility Features 1 TTPs

    Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.

  • 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\4c29136a7c79c79409ce8255d3b6157b4fc08a591220993bb90645f2acac2cab.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2060
  • C:\Windows\system32\DevicePairingWizard.exe
    C:\Windows\system32\DevicePairingWizard.exe
    1⤵
      PID:2784
    • C:\Users\Admin\AppData\Local\J7bGpwU\DevicePairingWizard.exe
      C:\Users\Admin\AppData\Local\J7bGpwU\DevicePairingWizard.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1276
    • C:\Windows\system32\wbengine.exe
      C:\Windows\system32\wbengine.exe
      1⤵
        PID:1704
      • C:\Users\Admin\AppData\Local\njZ\wbengine.exe
        C:\Users\Admin\AppData\Local\njZ\wbengine.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2204
      • C:\Windows\system32\Utilman.exe
        C:\Windows\system32\Utilman.exe
        1⤵
          PID:956
        • C:\Users\Admin\AppData\Local\IcNn\Utilman.exe
          C:\Users\Admin\AppData\Local\IcNn\Utilman.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1936

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\IcNn\DUI70.dll

          Filesize

          1.1MB

          MD5

          bd801c4e4e0567194c85e42ecdb9dfbe

          SHA1

          707480ee59bcf426656ae563306bf2bbfd8e9542

          SHA256

          d35356c714171b116b466d5584d1edb036b8608737c5d8b36e369d60aa8bb263

          SHA512

          924d4997698dc7b92405503e57c74d5daff0db9bd64f7c37fc2207d17b6a42f48a4adcdb34af61699117609dc3cfec32d92a305063112b3473816d2ebce32699

        • C:\Users\Admin\AppData\Local\IcNn\Utilman.exe

          Filesize

          1.3MB

          MD5

          32c5ee55eadfc071e57851e26ac98477

          SHA1

          8f8d0aee344e152424143da49ce2c7badabb8f9d

          SHA256

          7ca90616e68bc851f14658a366d80f21ddb7a7dd8a866049e54651158784a9ea

          SHA512

          e0943efa81f3087c84a5909c72a436671ee8cc3cc80154901430e83ec7966aac800ad4b26f4a174a0071da617c0982ceda584686c6e2056e1a83e864aca6c975

        • C:\Users\Admin\AppData\Local\J7bGpwU\MFC42u.dll

          Filesize

          968KB

          MD5

          099245ec4137218d361151b7566e36ed

          SHA1

          dbb228ada80433313296b44c03c36b662ec446d6

          SHA256

          aeaea80bcff94932fcbb8b9b7944a53cef7e0e6a33b7d0faf370bf474517f8a8

          SHA512

          c8e32941f06ccc2a87f4af51eba1c2fbddc354c98135d8608d1aa2a34f1e1755d3148de542882adb459e9765a7f4ca34f2d82c6e7dda09811aa2b99e7051acc3

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

          Filesize

          944KB

          MD5

          991aa5a2abcc63479bb0b6f7b56150dd

          SHA1

          1204106e6268a418e8cce777ae4ee819a65dd0de

          SHA256

          edb2e73a38178722e6dfeb5aed28ebb4e8af2815c4b647f3aab9820b90ac6966

          SHA512

          42804652b9b23ada05a3aed4c77a64ff5dc2ec84579f6e6f413916c31ab8379791e1e44233be4c5544d0165c6beaa3e4325440f2c177acb06a34918be7a1406a

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

          Filesize

          1KB

          MD5

          f1fa3cff1898416e1a05851aec51247b

          SHA1

          dc5b00efc0859535ffa86bc1c15c807d30200953

          SHA256

          f8e7163c379fb43e7807c5cbe42e3ddc83d9c96eeb2721325fdc51ffbecb3a22

          SHA512

          af7582895cfc9e2bf34d893c92ca9a6cbab0c243db9e2302468e64cbf06b5283f39ff86590701978e179b98863a65f4b2cecaa22911743922878b3bc17794d5c

        • \Users\Admin\AppData\Local\J7bGpwU\DevicePairingWizard.exe

          Filesize

          73KB

          MD5

          9728725678f32e84575e0cd2d2c58e9b

          SHA1

          dd9505d3548f08e5198a8d6ba6bcd60b1da86d5c

          SHA256

          d95d3aa065a657c354244e3d9d4dc62673dc36c1bed60650fade7d128ddab544

          SHA512

          a5d22240450e7b659cba507f9abe7e6d861e9712ca2335ea5ceb69e3557362b00f5d02bf84c3a6fed82a09eda555866dcab43741ad9c6db96e1e302ef2363377

        • \Users\Admin\AppData\Local\njZ\wbengine.exe

          Filesize

          1.4MB

          MD5

          78f4e7f5c56cb9716238eb57da4b6a75

          SHA1

          98b0b9db6ec5961dbb274eff433a8bc21f7e557b

          SHA256

          46a4e78ce5f2a4b26f4e9c3ff04a99d9b727a82ac2e390a82a1611c3f6e0c9af

          SHA512

          1a24ea71624dbbca188ee3b4812e09bc42e7d38ceac02b69940d7693475c792685a23141c8faa85a87ab6aace3f951c1a81facb610d757ac6df37cf2aa65ccd2

        • memory/1196-7-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-13-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-3-0x00000000778E6000-0x00000000778E7000-memory.dmp

          Filesize

          4KB

        • memory/1196-23-0x0000000002DB0000-0x0000000002DB7000-memory.dmp

          Filesize

          28KB

        • memory/1196-15-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-24-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-14-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-12-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-11-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-25-0x0000000077B50000-0x0000000077B52000-memory.dmp

          Filesize

          8KB

        • memory/1196-26-0x0000000077B80000-0x0000000077B82000-memory.dmp

          Filesize

          8KB

        • memory/1196-36-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-35-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-4-0x0000000002DD0000-0x0000000002DD1000-memory.dmp

          Filesize

          4KB

        • memory/1196-45-0x00000000778E6000-0x00000000778E7000-memory.dmp

          Filesize

          4KB

        • memory/1196-8-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-9-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-6-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1196-10-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/1276-58-0x0000000140000000-0x00000001400F2000-memory.dmp

          Filesize

          968KB

        • memory/1276-53-0x0000000000190000-0x0000000000197000-memory.dmp

          Filesize

          28KB

        • memory/1276-54-0x0000000140000000-0x00000001400F2000-memory.dmp

          Filesize

          968KB

        • memory/1936-86-0x0000000140000000-0x000000014011F000-memory.dmp

          Filesize

          1.1MB

        • memory/1936-90-0x0000000140000000-0x000000014011F000-memory.dmp

          Filesize

          1.1MB

        • memory/2060-44-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/2060-1-0x0000000000110000-0x0000000000117000-memory.dmp

          Filesize

          28KB

        • memory/2060-0-0x0000000140000000-0x00000001400EB000-memory.dmp

          Filesize

          940KB

        • memory/2204-70-0x0000000140000000-0x00000001400EC000-memory.dmp

          Filesize

          944KB

        • memory/2204-74-0x0000000140000000-0x00000001400EC000-memory.dmp

          Filesize

          944KB

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