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
    29-01-2024 01:01

General

  • Target

    7e7645b86e265b69aed08c4852fe6291.dll

  • Size

    1.1MB

  • MD5

    7e7645b86e265b69aed08c4852fe6291

  • SHA1

    0e39986ca509db0826c81ca3693fecb375726dcb

  • SHA256

    e0980b4994c3d61ec8c3ab1db13ef837487bd2e209e97a4ad4708211d9d4d712

  • SHA512

    2f2f7e96591bf49bec9e3b56f7457ee00ca85bd7812c6de3a27097fdfda3beb9b42467b7e0f11b01036704c635e461bbf3a2f12877f672a7de1af462611b26ff

  • SSDEEP

    12288:JkbQEkWqv+157EYfxarhwLNuR7ek1tHffB/HzTyNQ6NIeGYr/RUX/ShJ:JkbHkWfzZ5adwLNGeStHntqN7vaP

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
  • 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\7e7645b86e265b69aed08c4852fe6291.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1944
  • C:\Windows\system32\mblctr.exe
    C:\Windows\system32\mblctr.exe
    1⤵
      PID:2600
    • C:\Users\Admin\AppData\Local\E7jLd\mblctr.exe
      C:\Users\Admin\AppData\Local\E7jLd\mblctr.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2660
    • C:\Windows\system32\OptionalFeatures.exe
      C:\Windows\system32\OptionalFeatures.exe
      1⤵
        PID:2912
      • C:\Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe
        C:\Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2792
      • C:\Windows\system32\UI0Detect.exe
        C:\Windows\system32\UI0Detect.exe
        1⤵
          PID:1984
        • C:\Users\Admin\AppData\Local\MU2iq\UI0Detect.exe
          C:\Users\Admin\AppData\Local\MU2iq\UI0Detect.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1648

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\MU2iq\VERSION.dll

          Filesize

          1.1MB

          MD5

          409cc1b141d44ae6525911837e46e78d

          SHA1

          e075c662d275d60d572014701ea8aa665aee3303

          SHA256

          3f44153bde9311f0732597cf08a1e9c0082ed93751aed2bda955fe5e9718cf29

          SHA512

          c2f7042757fcdd2f96bba73f4993f6b6e3c09d222f1f99c014e424f085059767bdb1fa88ce97208e6203d4e6d0e53a36c6cd70e37a6ff863ae77849512c23dd1

        • C:\Users\Admin\AppData\Local\sBUME\appwiz.cpl

          Filesize

          1.1MB

          MD5

          8f27d39ff91109cedc48233fe2373db6

          SHA1

          3aafe78932e33dcc1b61d920f82533d0b4ab49a9

          SHA256

          39f209ee19ad165b57662a5500ae82d1d6b403a69b60dd8896be65954e498584

          SHA512

          e3ad5621d73f395d224d2e1a6777925932acbecf9e776dfbe7b23f81fd2f233e846c33bc2de2fbb938b9c32fe1a2c9dfdd63bae8186e1442c76a345ef7a7b4b0

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

          Filesize

          1KB

          MD5

          775299c60cb1b4b639269651f8ee286b

          SHA1

          cf446d65e5cd4a4ec4eb3d962fdd8b4bc9663485

          SHA256

          747073d8016c97a75f293a420f4900eaff826ac3ff22414ea05c85fd7099fd5f

          SHA512

          73a5d04ce68603f629d97ceb1a6cdf500dd40b8344dc3c11533eff418bb2d44faacd86790f95dfd0b599e5eba386db33d774ef81094e8b8cb034d3b43ccf49de

        • C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\Hdt7Hp\VERSION.dll

          Filesize

          1.1MB

          MD5

          785afb7b5d4c68575a3761cd891602cc

          SHA1

          034585b66be6dd9d93348ad7c47716fc56e9ba23

          SHA256

          b23ea1f10b0e1c747436d145c594472f484cf0ffea9fe0d53395a02ddad22786

          SHA512

          9fee445ff5c52e4e00f612be497acc146bb1b955710ecd3689da37c9f91c1cf6890fb89d3df5783b33a879c702f95ff960f3752f967b5866e73db20bf95c7456

        • \Users\Admin\AppData\Local\E7jLd\UxTheme.dll

          Filesize

          1.1MB

          MD5

          45f793ab7aea6c16f4e8c5ac78ab04b5

          SHA1

          acb1ecd1d961e4e205991e1aed90cfbc754634b6

          SHA256

          b9db8e0bf94bf4cf8416e9b8aa72bcfe4a83cf49d6a5a4f847ddbf6eedae9e07

          SHA512

          b64ae62654a0339d09067173e0341fde67dd741450cb9488d837af0d6f973c62c6c0cfb677fc4053f0b362191e315b8d098f2504e8e5a53899893b5aa76ecbbb

        • \Users\Admin\AppData\Local\E7jLd\mblctr.exe

          Filesize

          935KB

          MD5

          fa4c36b574bf387d9582ed2c54a347a8

          SHA1

          149077715ee56c668567e3a9cb9842284f4fe678

          SHA256

          b71cdf708d4a4f045f784de5e5458ebf9a4fa2b188c3f7422e2fbfe19310be3f

          SHA512

          1f04ce0440eec7477153ebc2ce56eaabcbbac58d9d703c03337f030e160d22cd635ae201752bc2962643c75bbf2036afdd69d97e8cbc81260fd0e2f55946bb55

        • \Users\Admin\AppData\Local\MU2iq\UI0Detect.exe

          Filesize

          40KB

          MD5

          3cbdec8d06b9968aba702eba076364a1

          SHA1

          6e0fcaccadbdb5e3293aa3523ec1006d92191c58

          SHA256

          b8dab8aa804fc23021bfebd7ae4d40fbe648d6c6ba21cc008e26d1c084972f9b

          SHA512

          a8e434c925ef849ecef0efcb4873dbb95eea2821c967b05afbbe5733071cc2293fc94e7fdf1fdaee51cbcf9885b3b72bfd4d690f23af34558b056920263e465d

        • \Users\Admin\AppData\Local\sBUME\OptionalFeatures.exe

          Filesize

          95KB

          MD5

          eae7af6084667c8f05412ddf096167fc

          SHA1

          0dbe8aba001447030e48e8ad5466fd23481e6140

          SHA256

          01feebd3aca961f31ba4eac45347b105d1c5772627b08f5538047721b61ff9bc

          SHA512

          172a8accaa35a6c9f86713a330c5899dfeeffe3b43413a3d276fc16d45cd62ed9237aa6bff29cc60a2022fba8dcc156959723c041df4b7463436a3bdabef2a9d

        • memory/1204-16-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-10-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-3-0x0000000076FB6000-0x0000000076FB7000-memory.dmp

          Filesize

          4KB

        • memory/1204-17-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-20-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-19-0x00000000029A0000-0x00000000029A7000-memory.dmp

          Filesize

          28KB

        • memory/1204-18-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-15-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-13-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-14-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-12-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-29-0x0000000077350000-0x0000000077352000-memory.dmp

          Filesize

          8KB

        • memory/1204-28-0x0000000077320000-0x0000000077322000-memory.dmp

          Filesize

          8KB

        • memory/1204-27-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-38-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-40-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-4-0x00000000029C0000-0x00000000029C1000-memory.dmp

          Filesize

          4KB

        • memory/1204-9-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-11-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-6-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-72-0x0000000076FB6000-0x0000000076FB7000-memory.dmp

          Filesize

          4KB

        • memory/1204-7-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1204-8-0x0000000140000000-0x0000000140119000-memory.dmp

          Filesize

          1.1MB

        • memory/1648-91-0x00000000000F0000-0x00000000000F7000-memory.dmp

          Filesize

          28KB

        • memory/1648-94-0x000007FEF6080000-0x000007FEF619A000-memory.dmp

          Filesize

          1.1MB

        • memory/1944-41-0x000007FEF6080000-0x000007FEF6199000-memory.dmp

          Filesize

          1.1MB

        • memory/1944-0-0x000007FEF6080000-0x000007FEF6199000-memory.dmp

          Filesize

          1.1MB

        • memory/1944-2-0x0000000000090000-0x0000000000097000-memory.dmp

          Filesize

          28KB

        • memory/2660-60-0x000007FEF6860000-0x000007FEF697A000-memory.dmp

          Filesize

          1.1MB

        • memory/2660-56-0x0000000000080000-0x0000000000087000-memory.dmp

          Filesize

          28KB

        • memory/2660-55-0x000007FEF6860000-0x000007FEF697A000-memory.dmp

          Filesize

          1.1MB

        • memory/2792-74-0x0000000000070000-0x0000000000077000-memory.dmp

          Filesize

          28KB

        • memory/2792-73-0x000007FEF6080000-0x000007FEF619A000-memory.dmp

          Filesize

          1.1MB

        • memory/2792-77-0x000007FEF6080000-0x000007FEF619A000-memory.dmp

          Filesize

          1.1MB