Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    14-11-2024 17:04

General

  • Target

    60f896e781ccfa1f164aa659dfb8058697f6e0c5edd4afe0302b8d39476ffb4b.dll

  • Size

    676KB

  • MD5

    4d50c132ca23b8e8fa6f50c8e7db7e3b

  • SHA1

    fc0fe7b8a046e550ed228581c381d5244a62c74c

  • SHA256

    60f896e781ccfa1f164aa659dfb8058697f6e0c5edd4afe0302b8d39476ffb4b

  • SHA512

    317ca386657544fb79e3a0529278ea096abcb30ad0aef492a4e9a97b87502154095fccde07882c0a98ea2a278860c765a3ea6283cf195085405e1d8048101614

  • SSDEEP

    6144:C34xznfAp4x+NWMqW/KZ1vCDTEpc2bysCZR6iwAtUnWKT5WK8Rpv1llfFfCRAuTF:CIKp/UWCZdCDh2IZDwAFRpR6Au

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.

  • Dridex payload 11 IoCs

    Detects Dridex x64 core DLL in memory.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 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\60f896e781ccfa1f164aa659dfb8058697f6e0c5edd4afe0302b8d39476ffb4b.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:1064
  • C:\Windows\system32\irftp.exe
    C:\Windows\system32\irftp.exe
    1⤵
      PID:2656
    • C:\Users\Admin\AppData\Local\JV8CNouK7\irftp.exe
      C:\Users\Admin\AppData\Local\JV8CNouK7\irftp.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2560
    • C:\Windows\system32\SystemPropertiesPerformance.exe
      C:\Windows\system32\SystemPropertiesPerformance.exe
      1⤵
        PID:396
      • C:\Users\Admin\AppData\Local\OTHTF\SystemPropertiesPerformance.exe
        C:\Users\Admin\AppData\Local\OTHTF\SystemPropertiesPerformance.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:2932
      • C:\Windows\system32\VaultSysUi.exe
        C:\Windows\system32\VaultSysUi.exe
        1⤵
          PID:2912
        • C:\Users\Admin\AppData\Local\9GN5MnG4v\VaultSysUi.exe
          C:\Users\Admin\AppData\Local\9GN5MnG4v\VaultSysUi.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:1956

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\9GN5MnG4v\credui.dll

          Filesize

          680KB

          MD5

          420d84ccd302ed510de1515a8abef45d

          SHA1

          ae55ece95ee8c64ceebe945e88b70f7ca65274a2

          SHA256

          c8d5bf653efb6368d14935959b2bcaafc3ddaa485ba54ffce2fd42971c7b36e2

          SHA512

          85393dfa2951d525401b53498394f7ef22b908c10434fc0600c59c0a450931ea4e9101a2c5af515a82e8cae36e046ba1aeff8cc39e657dd3ebe91de7f87b1f9f

        • C:\Users\Admin\AppData\Local\JV8CNouK7\MFC42u.dll

          Filesize

          704KB

          MD5

          ed48dfeec071c97e397b7cd23c235716

          SHA1

          e952f3866bdcc1a21060f3db16739738e9ef3185

          SHA256

          e3bdacffe90236a84bab7cf197a0344b8b9065d1310d0756ad6cdc41da33b52e

          SHA512

          81df672436680aa6c3b66fe05869eff61dc2a02a734356028fea52410813e363fd1576cfd1d309455ce13a19755817da5361cddd8beedd775e61114bbd5451cb

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

          Filesize

          680KB

          MD5

          1cb10d3dfdeae1e1ef9d64df3e4918c8

          SHA1

          a01ebb7f3f4c6dc8255b1375cafa2f7bca5b207d

          SHA256

          1a81a204d3c174acdc41c02d752b610be320e0a208d45d9841a906e8f121d697

          SHA512

          b56bfc169276fbd2afbb4355c4de73eca4cdb26cb68913bf304d6c8536d1fdf26971534384796f91b47d97398c4094669d4b1d2c2a72a453becb83fc1754d501

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

          Filesize

          1KB

          MD5

          136bacebc6dd6e893184974d886290b4

          SHA1

          9826ced37402593e73b644c5e79c7c16bd2436ad

          SHA256

          6994d8d1f63328c53513622b51e829e054bb47100ba1ecc27f82097209a4ae28

          SHA512

          17f430885161397a81f0c22c25193bc9a931f78b8c4160125741b9153649856e807a90ca68b4841845d952cbf2240708c7695c9f064cd53b3d1e6fe4d0da4e07

        • \Users\Admin\AppData\Local\9GN5MnG4v\VaultSysUi.exe

          Filesize

          39KB

          MD5

          f40ef105d94350d36c799ee23f7fec0f

          SHA1

          ee3a5cfe8b807e1c1718a27eb97fa134360816e3

          SHA256

          eeb3f79be414b81f4eb8167390641787f14a033414533fb8de651c2247d054b2

          SHA512

          f16bcca6f6cecbdae117d5a41de7e86a6d9dfdfa2ce8c75ebff10d097083c106e7f9d030debed8cb20fdd71815a8aa7723a1d3c68b38ec382e55370331c594a1

        • \Users\Admin\AppData\Local\JV8CNouK7\irftp.exe

          Filesize

          192KB

          MD5

          0cae1fb725c56d260bfd6feba7ae9a75

          SHA1

          102ac676a1de3ec3d56401f8efd518c31c8b0b80

          SHA256

          312f4107ff37dc988d99c5f56178708bb74a3906740cff4e337c0dde8f1e151d

          SHA512

          db969064577c4158d6bf925354319766b0d0373ddefb03dbfc9a9d2cadf8ddcd50a7f99b7ddf2ffad5e7fdbb6f02090b5b678bdf792d265054bff3b56ee0b8ec

        • \Users\Admin\AppData\Local\OTHTF\SystemPropertiesPerformance.exe

          Filesize

          80KB

          MD5

          870726cdcc241a92785572628b89cc07

          SHA1

          63d47cc4fe9beb75862add1abca1d8ae8235710a

          SHA256

          1ab77fa1ee0cbe59ca185c228c3c11abeba2b2008a162c91a06d3c40542e7fc6

          SHA512

          89b961c2a2716fe0800e54e0206c8b349a26f1bc2a463ec9bd12f3ab22bfcb13e6402b4c20ddcf284d838a3c66e73335af8f6dc4554d76646382e387242c6f72

        • memory/1064-1-0x000007FEF7270000-0x000007FEF7319000-memory.dmp

          Filesize

          676KB

        • memory/1064-0-0x00000000001A0000-0x00000000001A7000-memory.dmp

          Filesize

          28KB

        • memory/1064-46-0x000007FEF7270000-0x000007FEF7319000-memory.dmp

          Filesize

          676KB

        • memory/1256-28-0x0000000077040000-0x0000000077042000-memory.dmp

          Filesize

          8KB

        • memory/1256-19-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-13-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-12-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-11-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-10-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-9-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-7-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-16-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-27-0x0000000077010000-0x0000000077012000-memory.dmp

          Filesize

          8KB

        • memory/1256-26-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-38-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-37-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-17-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-47-0x0000000076CA6000-0x0000000076CA7000-memory.dmp

          Filesize

          4KB

        • memory/1256-14-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-25-0x00000000029A0000-0x00000000029A7000-memory.dmp

          Filesize

          28KB

        • memory/1256-3-0x0000000076CA6000-0x0000000076CA7000-memory.dmp

          Filesize

          4KB

        • memory/1256-4-0x00000000029C0000-0x00000000029C1000-memory.dmp

          Filesize

          4KB

        • memory/1256-6-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-15-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1256-8-0x0000000140000000-0x00000001400A9000-memory.dmp

          Filesize

          676KB

        • memory/1956-98-0x000007FEF71F0000-0x000007FEF729A000-memory.dmp

          Filesize

          680KB

        • memory/2560-60-0x000007FEF7320000-0x000007FEF73D0000-memory.dmp

          Filesize

          704KB

        • memory/2560-56-0x000007FEF7320000-0x000007FEF73D0000-memory.dmp

          Filesize

          704KB

        • memory/2560-55-0x0000000000100000-0x0000000000107000-memory.dmp

          Filesize

          28KB

        • memory/2932-72-0x0000000000190000-0x0000000000197000-memory.dmp

          Filesize

          28KB

        • memory/2932-73-0x000007FEF71F0000-0x000007FEF729A000-memory.dmp

          Filesize

          680KB

        • memory/2932-77-0x000007FEF71F0000-0x000007FEF729A000-memory.dmp

          Filesize

          680KB