Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2024 19:36

General

  • Target

    055334a15a5473829f0ee5d7e2695ddd6be6e87e1eaeab9b2bbdc2571dec8ded.dll

  • Size

    776KB

  • MD5

    5275646a6840ccb66702495f74f2bcb1

  • SHA1

    7914b808819e702bc2d457de368310d19496e7dc

  • SHA256

    055334a15a5473829f0ee5d7e2695ddd6be6e87e1eaeab9b2bbdc2571dec8ded

  • SHA512

    2ac366a058c1800216e623cce710cc1c42fb942e304365ba9a7eb6b8e6000c7ba2d639210e1f5bf4927243105edf105ee5d3913fe936df68ee0a9270f670c31f

  • SSDEEP

    24576:pWyonFMVMKkN3ZvxEhb0IsaQ4KriCo0j6Ij:EHuVMK6vx2RsIKNrj

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 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\055334a15a5473829f0ee5d7e2695ddd6be6e87e1eaeab9b2bbdc2571dec8ded.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3612
  • C:\Windows\system32\dccw.exe
    C:\Windows\system32\dccw.exe
    1⤵
      PID:3116
    • C:\Users\Admin\AppData\Local\HoFATl0\dccw.exe
      C:\Users\Admin\AppData\Local\HoFATl0\dccw.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:4872
    • C:\Windows\system32\omadmclient.exe
      C:\Windows\system32\omadmclient.exe
      1⤵
        PID:4924
      • C:\Users\Admin\AppData\Local\43mN7z7o5\omadmclient.exe
        C:\Users\Admin\AppData\Local\43mN7z7o5\omadmclient.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2912
      • C:\Windows\system32\InfDefaultInstall.exe
        C:\Windows\system32\InfDefaultInstall.exe
        1⤵
          PID:1444
        • C:\Users\Admin\AppData\Local\QsbCxcx\InfDefaultInstall.exe
          C:\Users\Admin\AppData\Local\QsbCxcx\InfDefaultInstall.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2868

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\43mN7z7o5\XmlLite.dll

          Filesize

          776KB

          MD5

          7036d6dd8b6326b7e7e50cc659b57848

          SHA1

          1f0addea7612d34ebca6bf34b51160b4aa6ae01f

          SHA256

          6537d178534bbad006e9080fcc2833ae306c9ea38c86ebed63174388d2bd6b91

          SHA512

          b9ccaf60db629b327ee0594e1648ebfc790fef18075e2991d1d19952259ec2837ac8fd272264b2cbd8f2fd5fd6855a6ddc264110de4347590a75f6d71c410fa8

        • C:\Users\Admin\AppData\Local\43mN7z7o5\omadmclient.exe

          Filesize

          425KB

          MD5

          8992b5b28a996eb83761dafb24959ab4

          SHA1

          697ecb33b8ff5b0e73ef29ce471153b368b1b729

          SHA256

          e0c6c1b082c5d61be95b7fad95155b7cb2e516d6dcd51b8e1554a176876699e7

          SHA512

          4ab0d71f6f9e5a5d0870d8e6eaa4b5db74ea6148de0a00603e3e56303d0fec4722172e0207b9678a5bd0136f2d43d43b9d34907183369ab3b9b9c1484034fe3d

        • C:\Users\Admin\AppData\Local\HoFATl0\dccw.exe

          Filesize

          101KB

          MD5

          cb9374911bf5237179785c739a322c0f

          SHA1

          3f4d3dd3d58c9f19dfbb414ded16969ebd9f74b9

          SHA256

          f7f3300b78148a34f6a35796c777a832b638b6d3193e11f4a37f45d4c6dfa845

          SHA512

          9d47521538148b1823c0a17baa86ddf932f06f46d5d8b63fa87b2cc220fb98ce3f933e32d771222937bb8e41c88030839d489d1cd78b062bffeb2980dc6864be

        • C:\Users\Admin\AppData\Local\HoFATl0\mscms.dll

          Filesize

          784KB

          MD5

          5e4f1ad3af3ab11a16b7c2e8dc0d5048

          SHA1

          48f8d11e519dd4f52f743cfd3fa8561aa238e9a4

          SHA256

          8d034d5030ca8d80f3098cf2d200f26fe97b6484c3947bd01bed685130469775

          SHA512

          d2ef94045b51fbeb79c46dd4f2e406c0a1de232eb061a4c59d6505b21f79b283249cc5d02efb7e39531643281823a032a77a54a0d1a089e957f443c1807a3c3e

        • C:\Users\Admin\AppData\Local\QsbCxcx\InfDefaultInstall.exe

          Filesize

          13KB

          MD5

          ee18876c1e5de583de7547075975120e

          SHA1

          f7fcb3d77da74deee25de9296a7c7335916504e3

          SHA256

          e59127b5fe82714956c7a1f10392a8673086a8e1f609e059935c7da1fa015a5d

          SHA512

          08bc4d28b8f528582c58175a74871dd33ac97955c3709c991779fc34b5ba4b2ba6ff40476d9f59345b61b0153fd932b0ea539431a67ff5012cb2ac8ab392f73c

        • C:\Users\Admin\AppData\Local\QsbCxcx\newdev.dll

          Filesize

          776KB

          MD5

          4fb332d3cf7fbcae96fd6ae9d001af83

          SHA1

          b1ad99590168ca90eeae58d0bb934610e7d64467

          SHA256

          b70b432443619536cdf175418651dd56e81bf2452182451c90e14c5c75e347e5

          SHA512

          0e4b3a505632f9de8daa9edb694911ee11bf748fd596dde454ff2dbed52d880b8574785b6ec0006718be0766422b1fc375165eb3765fbb399c98973bd300b549

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

          Filesize

          1KB

          MD5

          e6bd20cb74446c43c8dfe5401576ccfe

          SHA1

          1fa816711afad1938e388d616959e575843ea002

          SHA256

          e18bede69453a84f94157f45b67d6f0aeba44c11cae1a2e2fe064b2054c20c12

          SHA512

          4c18d977ea33a1c00700b919b011dc7288ed0a42030c78a43bcd0a5dc2509e16f8289aa6eb1092e2592df8e7dce72c4322d8747183373e356a85a89e329bf64b

        • memory/2868-82-0x00007FFCDF000000-0x00007FFCDF0C2000-memory.dmp

          Filesize

          776KB

        • memory/2868-77-0x00007FFCDF000000-0x00007FFCDF0C2000-memory.dmp

          Filesize

          776KB

        • memory/2912-66-0x00007FFCDEA30000-0x00007FFCDEAF2000-memory.dmp

          Filesize

          776KB

        • memory/2912-63-0x0000011A52BC0000-0x0000011A52BC7000-memory.dmp

          Filesize

          28KB

        • memory/2912-60-0x00007FFCDEA30000-0x00007FFCDEAF2000-memory.dmp

          Filesize

          776KB

        • memory/3444-23-0x00007FFCED640000-0x00007FFCED650000-memory.dmp

          Filesize

          64KB

        • memory/3444-14-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-8-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-7-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-34-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-32-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-10-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-5-0x0000000002870000-0x0000000002871000-memory.dmp

          Filesize

          4KB

        • memory/3444-4-0x00007FFCEBCDA000-0x00007FFCEBCDB000-memory.dmp

          Filesize

          4KB

        • memory/3444-13-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-12-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-9-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-15-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3444-22-0x00000000008E0000-0x00000000008E7000-memory.dmp

          Filesize

          28KB

        • memory/3444-21-0x0000000140000000-0x00000001400C2000-memory.dmp

          Filesize

          776KB

        • memory/3612-0-0x00000253FB320000-0x00000253FB327000-memory.dmp

          Filesize

          28KB

        • memory/3612-11-0x00007FFCDE6B0000-0x00007FFCDE772000-memory.dmp

          Filesize

          776KB

        • memory/3612-1-0x00007FFCDE6B0000-0x00007FFCDE772000-memory.dmp

          Filesize

          776KB

        • memory/4872-49-0x00007FFCDE880000-0x00007FFCDE944000-memory.dmp

          Filesize

          784KB

        • memory/4872-43-0x000001C0F0120000-0x000001C0F0127000-memory.dmp

          Filesize

          28KB

        • memory/4872-44-0x00007FFCDE880000-0x00007FFCDE944000-memory.dmp

          Filesize

          784KB