Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-01-2024 22:28

General

  • Target

    68ca805df0c74e02d25c86dd7d49303e.dll

  • Size

    1.5MB

  • MD5

    68ca805df0c74e02d25c86dd7d49303e

  • SHA1

    e62170c551c0f1edf022e1c6c8b2f54b755977b0

  • SHA256

    f613f68232c24e7b4c0e5a49431a159dbffb259080f66d7e773de9649da7235d

  • SHA512

    ab5f9da7cc894d7cdb6f07152b99cf3c284752d3078810eef4f2438170d2618ea35a869a71e4b486d081bfe312ab7942d2583f5bac15734491eb993ee732963b

  • SSDEEP

    12288:fVI0W/TtlPLfJCm3WIYxJ9yK5IQ9PElOlidGAWilgm5Qq0nB6wtt4AenZ1:WfP7fWsK5z9A+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 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 AdjustPrivilegeToken 16 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\68ca805df0c74e02d25c86dd7d49303e.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:3144
  • C:\Windows\system32\msconfig.exe
    C:\Windows\system32\msconfig.exe
    1⤵
      PID:908
    • C:\Users\Admin\AppData\Local\I8rluJUF\msconfig.exe
      C:\Users\Admin\AppData\Local\I8rluJUF\msconfig.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:5096
    • C:\Windows\system32\unregmp2.exe
      C:\Windows\system32\unregmp2.exe
      1⤵
        PID:1720
      • C:\Users\Admin\AppData\Local\aZ0Y\unregmp2.exe
        C:\Users\Admin\AppData\Local\aZ0Y\unregmp2.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:3912
      • C:\Windows\system32\WFS.exe
        C:\Windows\system32\WFS.exe
        1⤵
          PID:4684
        • C:\Users\Admin\AppData\Local\6Mzww\WFS.exe
          C:\Users\Admin\AppData\Local\6Mzww\WFS.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:4404

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\6Mzww\WFS.exe

          Filesize

          944KB

          MD5

          3cbc8d0f65e3db6c76c119ed7c2ffd85

          SHA1

          e74f794d86196e3bbb852522479946cceeed7e01

          SHA256

          e23e4182efe7ed61aaf369696e1ce304c3818df33d1663872b6d3c75499d81f4

          SHA512

          26ae5845a804b9eb752078f1ffa80a476648a8a9508b4f7ba56c94acd4198f3ba59c77add4feb7e0420070222af56521ca5f6334f466d5db272c816930513f0a

        • C:\Users\Admin\AppData\Local\6Mzww\credui.dll

          Filesize

          1.5MB

          MD5

          65293ff42f366605266adad27cd72fc7

          SHA1

          06bfc7c014a5df95f197ef64ad6092b51111637c

          SHA256

          e623c841b82256ad9937b95b7c8d882be53e3c7925c8cc6229c9f6432c3ceaa2

          SHA512

          52eab9c9408f425a1ee72a6b79fda726e28ced85e0325c056b74296289ffd15320a819e9179c62337257d1758960910175e191d63e472fe355c72f12e4e825ea

        • C:\Users\Admin\AppData\Local\I8rluJUF\MFC42u.dll

          Filesize

          1.5MB

          MD5

          2ad5b7439dbe6a97dfc43b5829f52ce9

          SHA1

          ccefce149c33c98abf204e6d73c788c9bc36c0f2

          SHA256

          72414d48b0b646f0ddd1b2aa7c5124788fe9983f328f2104f7f6236719c31ea8

          SHA512

          6e51c3d481d1b5a6cb8c82208da5ff2226e1cd4bc6edebdd8938834162166172a2694214f6c40aae1acfea5056ffaa4e4c3788882626129438d35d2b903f3bda

        • C:\Users\Admin\AppData\Local\I8rluJUF\msconfig.exe

          Filesize

          193KB

          MD5

          39009536cafe30c6ef2501fe46c9df5e

          SHA1

          6ff7b4d30f31186de899665c704a105227704b72

          SHA256

          93d2604f7fdf7f014ac5bef63ab177b6107f3cfc26da6cbd9a7ab50c96564a04

          SHA512

          95c9a8bc61c79108634f5578825544323e3d980ae97a105a325c58bc0e44b1d500637459969602f08d6d23d346baec6acd07d8351803981000c797190d48f03a

        • C:\Users\Admin\AppData\Local\aZ0Y\VERSION.dll

          Filesize

          1.5MB

          MD5

          d3724fd4d7c38463e033ac98278fbe78

          SHA1

          f0f1cacb271c0caa69588eea5fbd98eb31a38092

          SHA256

          d55eed4ed5fefaa8e0726f832e24e5791ad9b9c20cf7a7c016a5be803206836b

          SHA512

          5494408f15ee981fed3deb0452ec7110dcad29d5beacac9e59312186a372cb70cd107dc6b5234d3800d29d79e85b5f6222d62955f564119b8ebe45cdd7cbda70

        • C:\Users\Admin\AppData\Local\aZ0Y\unregmp2.exe

          Filesize

          259KB

          MD5

          a6fc8ce566dec7c5873cb9d02d7b874e

          SHA1

          a30040967f75df85a1e3927bdce159b102011a61

          SHA256

          21f41fea24dddc8a32f902af7b0387a53a745013429d8fd3f5fa6916eadc839d

          SHA512

          f83e17dd305eb1bc24cca1f197e2440f9b501eafb9c9d44ede7c88b1520030a87d059bdcb8eadeac1eaedabcbc4fe50206821965d73f0f6671e27edd55c01cbc

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

          Filesize

          1KB

          MD5

          5fa0617b3a65b0cbdb0ac88d17f188c8

          SHA1

          6a1444f2bce967ee7b820ffd81426df6a5abdeb4

          SHA256

          575f534dbe27f16511454e4fe9c48821e7c373203baf7cf1cba031cb9e3b39f5

          SHA512

          01dc9a84c9d98402e0c7f0e12c23600a227805a96b8fe4d12b06167dd564deb9ecc6cad2e8a834ee643e207ec3096eef0eb7d82b683d4e76ae899ef0741a6fdc

        • memory/3144-18-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3144-1-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3144-3-0x000001C8F1B40000-0x000001C8F1B47000-memory.dmp

          Filesize

          28KB

        • memory/3144-0-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-37-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-43-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-16-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-17-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-19-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-20-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-21-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-15-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-22-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-23-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-24-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-25-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-26-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-27-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-28-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-29-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-30-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-31-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-32-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-33-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-34-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-35-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-36-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-13-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-38-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-39-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-40-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-41-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-42-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-14-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-44-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-45-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-46-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-47-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-48-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-50-0x00000000038D0000-0x00000000038D7000-memory.dmp

          Filesize

          28KB

        • memory/3520-49-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-57-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-58-0x00007FFE789A0000-0x00007FFE789B0000-memory.dmp

          Filesize

          64KB

        • memory/3520-67-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-69-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-12-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-11-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-5-0x0000000002E00000-0x0000000002E01000-memory.dmp

          Filesize

          4KB

        • memory/3520-7-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-9-0x00007FFE77E5A000-0x00007FFE77E5B000-memory.dmp

          Filesize

          4KB

        • memory/3520-8-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3520-10-0x0000000140000000-0x0000000140185000-memory.dmp

          Filesize

          1.5MB

        • memory/3912-99-0x0000000140000000-0x0000000140186000-memory.dmp

          Filesize

          1.5MB

        • memory/3912-102-0x000001B54B700000-0x000001B54B707000-memory.dmp

          Filesize

          28KB

        • memory/3912-106-0x0000000140000000-0x0000000140186000-memory.dmp

          Filesize

          1.5MB

        • memory/4404-117-0x0000000140000000-0x0000000140186000-memory.dmp

          Filesize

          1.5MB

        • memory/4404-119-0x000002B43B730000-0x000002B43B737000-memory.dmp

          Filesize

          28KB

        • memory/4404-125-0x0000000140000000-0x0000000140186000-memory.dmp

          Filesize

          1.5MB

        • memory/5096-85-0x0000000140000000-0x000000014018C000-memory.dmp

          Filesize

          1.5MB

        • memory/5096-79-0x0000000140000000-0x000000014018C000-memory.dmp

          Filesize

          1.5MB

        • memory/5096-80-0x000001E36F690000-0x000001E36F697000-memory.dmp

          Filesize

          28KB

        • memory/5096-78-0x0000000140000000-0x000000014018C000-memory.dmp

          Filesize

          1.5MB