Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2023 19:19

General

  • Target

    017fef171fcb1bae625fadf3ff3a5b41.dll

  • Size

    1.1MB

  • MD5

    017fef171fcb1bae625fadf3ff3a5b41

  • SHA1

    f6807821506e43999eb3768fe506f9e4f364f489

  • SHA256

    bf60aa85ca8b3e356c3a27fa9f81014450da3e144866ed72f2f58c71e6ad2194

  • SHA512

    8f231509b877e7466db748422889bb8518267683a6f4e35a62e3d650ac922c65d0e96c2927564a2db6a5592bea653077c9ad9fe1b06338513a49c73125970dcd

  • SSDEEP

    12288:rkMZ+g4TyilMqFvPIV93i/S0hzmOBt5nihfSxI/mhjEvqJ0D/eAQsroXAkH64C:rkMZ+gf4ltGd8H1fYO0q2G1Ah

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 9 IoCs

    Detects Dridex x64 core DLL in memory.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 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 AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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\017fef171fcb1bae625fadf3ff3a5b41.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1956
  • C:\Windows\system32\RecoveryDrive.exe
    C:\Windows\system32\RecoveryDrive.exe
    1⤵
      PID:4332
    • C:\Users\Admin\AppData\Local\XNY\RecoveryDrive.exe
      C:\Users\Admin\AppData\Local\XNY\RecoveryDrive.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:3548
    • C:\Windows\system32\ie4uinit.exe
      C:\Windows\system32\ie4uinit.exe
      1⤵
        PID:1084
      • C:\Users\Admin\AppData\Local\gJBhrKG\ie4uinit.exe
        C:\Users\Admin\AppData\Local\gJBhrKG\ie4uinit.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1356
      • C:\Windows\system32\SystemPropertiesPerformance.exe
        C:\Windows\system32\SystemPropertiesPerformance.exe
        1⤵
          PID:4968
        • C:\Users\Admin\AppData\Local\SbClPH\SystemPropertiesPerformance.exe
          C:\Users\Admin\AppData\Local\SbClPH\SystemPropertiesPerformance.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1900

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\SbClPH\SYSDM.CPL

          Filesize

          1.0MB

          MD5

          e29b51d76623b9fe3a28905b427e77ea

          SHA1

          ac8d47b7718dbc27abdceacdf1c41daf6dc68448

          SHA256

          1fba6757b2122366043fada4c935dd73bf69084dda1401ecec0f9be7efd86a82

          SHA512

          22a2f2c6f13efd270adcf631b71e91aa236e9520aa78f59744ae7768aa9f7152584f3e8caa983ee8077191b154993f8b1a115638e8745104168d19edf9efccfa

        • C:\Users\Admin\AppData\Local\SbClPH\SYSDM.CPL

          Filesize

          1024KB

          MD5

          cb0cd04482bd2d1906d76beb3d716b41

          SHA1

          f83bcfd0f6d4ec731d61a5ade340201a98ca8134

          SHA256

          83e4d4d2168d0b0bd2c99a6f36c2281726c0188eeb68e34f7079a83f3fd020ef

          SHA512

          fef256ff500cff015eff4710dc381169ee8ee82088d0ef047fe4939b49d5d9f667b554d7e6bd1e24fe59c5a882c0c82a249e2e012903b63d2c4b8db09522ab25

        • C:\Users\Admin\AppData\Local\SbClPH\SystemPropertiesPerformance.exe

          Filesize

          82KB

          MD5

          e4fbf7cab8669c7c9cef92205d2f2ffc

          SHA1

          adbfa782b7998720fa85678cc85863b961975e28

          SHA256

          b266318d45a4245556a2e39b763f2f11eca780969105f6f103e53dd0a492bb30

          SHA512

          c5c62578d04133352d6cb7b018df96a7b55c18d6111ab8bf2bfe232a3315a63b07047fa5b0b88551d152085776c66169b47566242c8c4c5e0333c55adc64e1b6

        • C:\Users\Admin\AppData\Local\XNY\RecoveryDrive.exe

          Filesize

          911KB

          MD5

          b9b3dc6f2eb89e41ff27400952602c74

          SHA1

          24ae07e0db3ace0809d08bbd039db3a9d533e81b

          SHA256

          630518cb2e4636f889d12c98fb2e6be4e579c5eeb86f88695d3f7fff3f5515c4

          SHA512

          7906954b881f1051a0c7f098e096bc28eddcc48643b8bf3134dd57b8c18d8beba4f9a0ac5d348de2f9b8ea607c3e9cb0e61d91e4f3ba1fefb02839f928e3e3fe

        • C:\Users\Admin\AppData\Local\XNY\UxTheme.dll

          Filesize

          1.1MB

          MD5

          351cae17e932564d3c05659a10abb325

          SHA1

          d5a35bcdf9313542219c78f432e7114aeec78f41

          SHA256

          9ccd6f47882c72840fb3286ac296360b3ff5d93ace6d993cafab559e4d80db54

          SHA512

          59f85cd9d4d9e173e5b0e099471f2245b415c2adaeb2907dc89150330e1d10ebf865dfec454e558198331df77219ae16ed7c5b83166a3cdc6b6dae9c5df25b32

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

          Filesize

          1.1MB

          MD5

          27db998b0de3973ce4c41bf650fc940c

          SHA1

          2ce21720ced672c5ee7d623a96368f0635b8286f

          SHA256

          e719be4460e73cad38598acaaaa547619f87f71ded8e27e9e713648ced307697

          SHA512

          319918ef6ce161930119cf3a050d2ee9ce72e38e183dfedec894fcdeba9b2929fdcf9caac826b1cc5e9bddb31d4e22050cb0de6527df0626f5c4bbd9b3f28435

        • C:\Users\Admin\AppData\Local\gJBhrKG\ie4uinit.exe

          Filesize

          262KB

          MD5

          a2f0104edd80ca2c24c24356d5eacc4f

          SHA1

          8269b9fd9231f04ed47419bd565c69dc677fab56

          SHA256

          5d85c4d62cc26996826b9d96a9153f7e05a2260342bd913b3730610a1809203c

          SHA512

          e7bb87f9f6c82cb945b95f62695be98b3fa827a24fa8c4187fe836d4e7d3e7ae3b95101edd3c41d65f6cb684910f5954a67307d450072acd8d475212db094390

        • C:\Users\Admin\AppData\Local\gJBhrKG\ie4uinit.exe

          Filesize

          171KB

          MD5

          36b9259b271be43e6a6017115758ca9b

          SHA1

          bbe9109887a841798beeaea4dfd4f9e3f75115cd

          SHA256

          fe3cd9fea41d55a2271cfb393af2f19fbf027291aa4f799bb1bda48ed47e3c37

          SHA512

          703cb182863f939b1d39be13732228b654d30f35a6caabcbb68c0a563c01bf3b6ab298c1fbe313b8fe1340da8d1ff3906e9483fa70f67c55b4e42ae097aa416c

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

          Filesize

          1KB

          MD5

          d25eaa89d949cf05e47ec1c64da2c6c3

          SHA1

          78c21f9a80579ff83b28d294333b584c61ac9a42

          SHA256

          e4ed77df5299ac021252665aa15cccc5466a4f6022a99c117512b34acbbdb1be

          SHA512

          43755ac2e164a78a526e2c52d011d8ed4ab41584f8426d9e1c42b5146464e20e894e88e4bb2d2646e3127ab70665adf09dacdbafa8686abe1f53ee69dfa3521e

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\System Tools\6lV\SYSDM.CPL

          Filesize

          1.0MB

          MD5

          5acda3ed30b57aafa725ae7ea7c27c97

          SHA1

          0e9bc0932fce3b3ef495bbaf9d41339275ff9785

          SHA256

          9d35190f8eea5ac1918352614a341aa424198ceec4c84786e67dc7c8e26ea04d

          SHA512

          5672f996b4a9ad55e7d06ac7895bdcdd40788eb8f5af5c18dac46a31b502ce4cbf19cc568ff8cd9e5415a3981b433ab6407a2b254552388f0f25e3315d3e6162

        • memory/1356-64-0x00000221C2D50000-0x00000221C2D57000-memory.dmp

          Filesize

          28KB

        • memory/1356-69-0x00000221C2B40000-0x00000221C2C63000-memory.dmp

          Filesize

          1.1MB

        • memory/1356-65-0x00000221C2B40000-0x00000221C2C63000-memory.dmp

          Filesize

          1.1MB

        • memory/1900-81-0x000002BF05370000-0x000002BF05377000-memory.dmp

          Filesize

          28KB

        • memory/1900-85-0x0000000140000000-0x0000000140123000-memory.dmp

          Filesize

          1.1MB

        • memory/1956-0-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/1956-40-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/1956-1-0x000001767C930000-0x000001767C937000-memory.dmp

          Filesize

          28KB

        • memory/3548-52-0x0000000140000000-0x0000000140123000-memory.dmp

          Filesize

          1.1MB

        • memory/3548-48-0x000001F8C4EA0000-0x000001F8C4EA7000-memory.dmp

          Filesize

          28KB

        • memory/3548-47-0x0000000140000000-0x0000000140123000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-14-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-37-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-27-0x00007FFC8DC60000-0x00007FFC8DC70000-memory.dmp

          Filesize

          64KB

        • memory/3592-28-0x00007FFC8DC50000-0x00007FFC8DC60000-memory.dmp

          Filesize

          64KB

        • memory/3592-26-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-18-0x0000000002880000-0x0000000002887000-memory.dmp

          Filesize

          28KB

        • memory/3592-17-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-11-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-13-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-16-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-15-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-12-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-10-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-9-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-8-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-7-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-6-0x0000000140000000-0x0000000140122000-memory.dmp

          Filesize

          1.1MB

        • memory/3592-3-0x0000000002870000-0x0000000002871000-memory.dmp

          Filesize

          4KB

        • memory/3592-4-0x00007FFC8D66A000-0x00007FFC8D66B000-memory.dmp

          Filesize

          4KB