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 16:55

General

  • Target

    f9e085979ac5b10ef9a83a6f8868e1fc.dll

  • Size

    1.7MB

  • MD5

    f9e085979ac5b10ef9a83a6f8868e1fc

  • SHA1

    7c42dbd22414ee2aae7b3f49caec1c0445e508fb

  • SHA256

    a671bbc23d90a0c52a986365e1622ccfcdbe1cfc3eb4f6868ad8a11739351287

  • SHA512

    f185aea760b9910b08b631a997c644fcc01f4a803a794e150b1254cccf07e6c779191028c242ac0237d3e295910c3e0d9a6a7d1f49e4fe130b772b21f292f101

  • SSDEEP

    12288:HVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:ufP7fWsK5z9A+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\f9e085979ac5b10ef9a83a6f8868e1fc.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1900
  • C:\Windows\system32\tcmsetup.exe
    C:\Windows\system32\tcmsetup.exe
    1⤵
      PID:2580
    • C:\Users\Admin\AppData\Local\YZQwO\tcmsetup.exe
      C:\Users\Admin\AppData\Local\YZQwO\tcmsetup.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2632
    • C:\Windows\system32\fvenotify.exe
      C:\Windows\system32\fvenotify.exe
      1⤵
        PID:1044
      • C:\Users\Admin\AppData\Local\FnA\fvenotify.exe
        C:\Users\Admin\AppData\Local\FnA\fvenotify.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:388
      • C:\Windows\system32\UI0Detect.exe
        C:\Windows\system32\UI0Detect.exe
        1⤵
          PID:1428
        • C:\Users\Admin\AppData\Local\Y25SCY\UI0Detect.exe
          C:\Users\Admin\AppData\Local\Y25SCY\UI0Detect.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2660

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\FnA\slc.dll

          Filesize

          1.7MB

          MD5

          177a6576a38c248a7c26d176f4c6c6a6

          SHA1

          cfa90ac4c4563f15abd8c12dd17420ec73a9257c

          SHA256

          cb72be3ab53dd63b546e55d4920f3c3dcbf3781dc8d6dfc868fda337b06a948a

          SHA512

          821968e69b12ab8f5cf85d822ab3c2f4c6cdfa030154abb907681d95d99c4b519f6bab244ed184e8ba8eb8c2c84bf3e2aec0982bf1b6ff1e705c549fd6ebcc1f

        • C:\Users\Admin\AppData\Local\Y25SCY\VERSION.dll

          Filesize

          1.7MB

          MD5

          cbd09a1e27d32ae71e0d416945e52df9

          SHA1

          34544f4d5e58d1a27e24559270465e57652434c6

          SHA256

          adda064dbb60882a42ed5aba2a3c247aa92c1907255f822d53be071051e527b1

          SHA512

          00780638481c932e5b585a07c075e790b70814e4d93dcc4519bdf247532a0ca40ace3bcf6552c4533ff9ea0e72d446171388f48892fde97fb7ba9dab42bc55bc

        • C:\Users\Admin\AppData\Local\YZQwO\TAPI32.dll

          Filesize

          1.7MB

          MD5

          97466e5253875eb081dc1e437e5642dc

          SHA1

          441fc63a1aedd8288dc823d1a7aa6faf6311efca

          SHA256

          6d6052026a430ca8b84957884d705e9c032f0465856c492cff9578e5cf93546f

          SHA512

          fc92e6e38cb58e5329e4373d86a3eb27f564017de70cfffb29b9ff8f8d166d34bce3cac0ed15b0318739becb56b54414c7f92a1eafe30aedc94545ce3a4167bc

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

          Filesize

          1KB

          MD5

          9deb2cfb7a9060941ae209a8c7ee4e1a

          SHA1

          8571c7a75453009271728356252cf04db3b7f0c9

          SHA256

          81f2467d1f54c9b765ebdb79b6fc2222f3201dd62e9ee813e53b5685aeecd000

          SHA512

          053771e0e164f92e323d53cc550fe9071e301fd270e2ec4fa2ffe2cf75744861c099a94adbac796139f4581731065a5c80edc13b5838ec9e4c87aab4b6eb01ad

        • \Users\Admin\AppData\Local\FnA\fvenotify.exe

          Filesize

          117KB

          MD5

          e61d644998e07c02f0999388808ac109

          SHA1

          183130ad81ff4c7997582a484e759bf7769592d6

          SHA256

          15a85cd6fbcb1ec57d78f986d6dd8908bd56231ce0cf65775075512303f7e5fa

          SHA512

          310141b73394ae12a35f8d4f0c097868ee8a8045a62dd402a5dfbe2151980dd4fe18409ae3ca9422e3b88b2fa9afb04c1acbf8ec23a937a0a242b32a9a1e9272

        • \Users\Admin\AppData\Local\Y25SCY\UI0Detect.exe

          Filesize

          40KB

          MD5

          3cbdec8d06b9968aba702eba076364a1

          SHA1

          6e0fcaccadbdb5e3293aa3523ec1006d92191c58

          SHA256

          b8dab8aa804fc23021bfebd7ae4d40fbe648d6c6ba21cc008e26d1c084972f9b

          SHA512

          a8e434c925ef849ecef0efcb4873dbb95eea2821c967b05afbbe5733071cc2293fc94e7fdf1fdaee51cbcf9885b3b72bfd4d690f23af34558b056920263e465d

        • \Users\Admin\AppData\Local\YZQwO\TAPI32.dll

          Filesize

          1.1MB

          MD5

          a382cc761360c949ea8a2cf76f4a98fd

          SHA1

          2a5cc83fa6e9a19fd0275c6726c121474ff05d44

          SHA256

          1dc07b1d8bbf9706c7951049822eb0b5c8744fda9f6bf5ed6f47691553e6d777

          SHA512

          9cb91e424147b95c6acdb3dbc09835f9f77d109d67c08876520d6c98b208afc43a1307de77c48c5589d87a896684b92c80351d749f0291c9791ac22b4cf97edb

        • \Users\Admin\AppData\Local\YZQwO\tcmsetup.exe

          Filesize

          15KB

          MD5

          0b08315da0da7f9f472fbab510bfe7b8

          SHA1

          33ba48fd980216becc532466a5ff8476bec0b31c

          SHA256

          e19556bb7aa39bbd5f0d568a95aec0b3af18dda438cc5737f945243b24d106e7

          SHA512

          c30501546efe2b0c003ef87ac381e901c69ddfc6791c6a5102cff3a07f56555d94995a4413b93036821aa214fc31501fa87eb519e1890ef75b2ec497983ffd58

        • memory/388-98-0x00000000001A0000-0x00000000001A7000-memory.dmp

          Filesize

          28KB

        • memory/1348-37-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-40-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-17-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-18-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-19-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-20-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-21-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-22-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-23-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-24-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-26-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-25-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-28-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-27-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-29-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-30-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-31-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-32-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-33-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-35-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-34-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-4-0x0000000076C26000-0x0000000076C27000-memory.dmp

          Filesize

          4KB

        • memory/1348-36-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-38-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-39-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-15-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-41-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-42-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-43-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-44-0x0000000002590000-0x0000000002597000-memory.dmp

          Filesize

          28KB

        • memory/1348-51-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-52-0x0000000076E31000-0x0000000076E32000-memory.dmp

          Filesize

          4KB

        • memory/1348-53-0x0000000076F90000-0x0000000076F92000-memory.dmp

          Filesize

          8KB

        • memory/1348-62-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-68-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-16-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-14-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-13-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-5-0x00000000025C0000-0x00000000025C1000-memory.dmp

          Filesize

          4KB

        • memory/1348-138-0x0000000076C26000-0x0000000076C27000-memory.dmp

          Filesize

          4KB

        • memory/1348-9-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-10-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-7-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-11-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1348-12-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1900-8-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/1900-1-0x0000000000110000-0x0000000000117000-memory.dmp

          Filesize

          28KB

        • memory/1900-0-0x0000000140000000-0x00000001401B7000-memory.dmp

          Filesize

          1.7MB

        • memory/2632-86-0x0000000140000000-0x00000001401B9000-memory.dmp

          Filesize

          1.7MB

        • memory/2632-81-0x0000000140000000-0x00000001401B9000-memory.dmp

          Filesize

          1.7MB

        • memory/2632-80-0x0000000000190000-0x0000000000197000-memory.dmp

          Filesize

          28KB

        • memory/2660-117-0x00000000000F0000-0x00000000000F7000-memory.dmp

          Filesize

          28KB