Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08-09-2024 13:39

General

  • Target

    d47ce92c9bd45f8eca1b81acbcb25287_JaffaCakes118.dll

  • Size

    986KB

  • MD5

    d47ce92c9bd45f8eca1b81acbcb25287

  • SHA1

    12074d657002ae08f4bac4b2a77c46099d1233da

  • SHA256

    25eebe3e58313adf7b6249667bb2be04934c816dc0ced46c61b4c18f645f57d0

  • SHA512

    20a0b331e3c7b710e0fadf862b4b0b3687564cfe2c24e1ee056b9a7785c6e5c20506db60647d95d8d93d6706956a61f6ac976f534ca8facf42754bf2b2fc3a21

  • SSDEEP

    24576:MVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8:MV8hf6STw1ZlQauvzSq01ICe6zvm

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 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\d47ce92c9bd45f8eca1b81acbcb25287_JaffaCakes118.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2372
  • C:\Windows\system32\irftp.exe
    C:\Windows\system32\irftp.exe
    1⤵
      PID:2648
    • C:\Users\Admin\AppData\Local\kPt\irftp.exe
      C:\Users\Admin\AppData\Local\kPt\irftp.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:2828
    • C:\Windows\system32\VaultSysUi.exe
      C:\Windows\system32\VaultSysUi.exe
      1⤵
        PID:3064
      • C:\Users\Admin\AppData\Local\q2kkovK4\VaultSysUi.exe
        C:\Users\Admin\AppData\Local\q2kkovK4\VaultSysUi.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1844
      • C:\Windows\system32\rstrui.exe
        C:\Windows\system32\rstrui.exe
        1⤵
          PID:2840
        • C:\Users\Admin\AppData\Local\Bn1\rstrui.exe
          C:\Users\Admin\AppData\Local\Bn1\rstrui.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2872

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Bn1\SRCORE.dll

          Filesize

          986KB

          MD5

          81b5c45cecee9f432170a8a365ce0b04

          SHA1

          198178504cd5588a701ac7e8aa5c11f280f49573

          SHA256

          0887725fdaf08eba508c04b950cd6f84573c34a76e87b43e7662f28584a7128e

          SHA512

          51b14a5255f80d822941921ddbb1ef6bc9a6387f3f0a54f8c05a70e5ef8554825e68ccd6eba114a198bf83ea76dbf05e0841e4832c5d3de872b71ec60f6fcaad

        • C:\Users\Admin\AppData\Local\kPt\WINMM.dll

          Filesize

          991KB

          MD5

          5d663345d7b364bb959165942315f34c

          SHA1

          c8294402ca73f2789a6990f3a7c461a9434d9f0b

          SHA256

          0bc14b21a17bf382c55978eaa06fdee7061b30b9139d0d57782895fce74c3f25

          SHA512

          0a27c57b75f59246bae70254be5b6bb53b39444c2401524f71b83fbaec7a8d32aa1687c6fe352ee83679682e629e28070b4a0f2b453a02bccede281fdecc410e

        • C:\Users\Admin\AppData\Local\q2kkovK4\credui.dll

          Filesize

          987KB

          MD5

          434de34b37e92f3921328ab32ebd1229

          SHA1

          16a0db0b8f72d3ae3672ed6769f01ad0cccca2a3

          SHA256

          702cdecf988ebef4513776d8d5e6a35d5756c7d9b943932f65a85c79d453f803

          SHA512

          1cb99ba28a1bf758113ec1aa2dbecd76029290da098d4a396726d6698a0e9a9bec30673809a3ad969b96c5f4f0868e76c7362568ae59072614ac98a9c01f5596

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

          Filesize

          1KB

          MD5

          941f658e93f903305a5390a5b75af848

          SHA1

          f5ee83475aa1b203ad8eaf93b287fb7ec4141538

          SHA256

          45095896f635d4b0131ca5341087e424a833e5528d8c7d9dda7646397d563c3c

          SHA512

          7d34347869e00fbf678ced4d178dc53094df6c5e776c8f5da8570c4797de06f9b5d75863016946494dbf543ef7d8eab2178fd6f9c3c8f9987613dbbcf5b97dad

        • \Users\Admin\AppData\Local\Bn1\rstrui.exe

          Filesize

          290KB

          MD5

          3db5a1eace7f3049ecc49fa64461e254

          SHA1

          7dc64e4f75741b93804cbae365e10dc70592c6a9

          SHA256

          ba8387d4543b8b11e2202919b9608ee614753fe77f967aad9906702841658b49

          SHA512

          ea81e3233e382f1cf2938785c9ded7c8fbbf11a6a6f5cf4323e3211ae66dad4a2c597cb589ff11f9eae79516043aba77d4b24bfa6eb0aa045d405aabdea4a025

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

          Filesize

          192KB

          MD5

          0cae1fb725c56d260bfd6feba7ae9a75

          SHA1

          102ac676a1de3ec3d56401f8efd518c31c8b0b80

          SHA256

          312f4107ff37dc988d99c5f56178708bb74a3906740cff4e337c0dde8f1e151d

          SHA512

          db969064577c4158d6bf925354319766b0d0373ddefb03dbfc9a9d2cadf8ddcd50a7f99b7ddf2ffad5e7fdbb6f02090b5b678bdf792d265054bff3b56ee0b8ec

        • \Users\Admin\AppData\Local\q2kkovK4\VaultSysUi.exe

          Filesize

          39KB

          MD5

          f40ef105d94350d36c799ee23f7fec0f

          SHA1

          ee3a5cfe8b807e1c1718a27eb97fa134360816e3

          SHA256

          eeb3f79be414b81f4eb8167390641787f14a033414533fb8de651c2247d054b2

          SHA512

          f16bcca6f6cecbdae117d5a41de7e86a6d9dfdfa2ce8c75ebff10d097083c106e7f9d030debed8cb20fdd71815a8aa7723a1d3c68b38ec382e55370331c594a1

        • memory/1212-37-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-24-0x0000000002AB0000-0x0000000002AB7000-memory.dmp

          Filesize

          28KB

        • memory/1212-13-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-12-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-11-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-10-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-9-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-8-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-23-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-4-0x00000000772D6000-0x00000000772D7000-memory.dmp

          Filesize

          4KB

        • memory/1212-35-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-5-0x0000000002F30000-0x0000000002F31000-memory.dmp

          Filesize

          4KB

        • memory/1212-45-0x00000000772D6000-0x00000000772D7000-memory.dmp

          Filesize

          4KB

        • memory/1212-14-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-27-0x00000000774E1000-0x00000000774E2000-memory.dmp

          Filesize

          4KB

        • memory/1212-7-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/1212-28-0x0000000077670000-0x0000000077672000-memory.dmp

          Filesize

          8KB

        • memory/1844-74-0x0000000000120000-0x0000000000127000-memory.dmp

          Filesize

          28KB

        • memory/1844-75-0x0000000140000000-0x00000001400FD000-memory.dmp

          Filesize

          1012KB

        • memory/1844-80-0x0000000140000000-0x00000001400FD000-memory.dmp

          Filesize

          1012KB

        • memory/2372-44-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/2372-1-0x00000000001A0000-0x00000000001A7000-memory.dmp

          Filesize

          28KB

        • memory/2372-2-0x0000000140000000-0x00000001400FC000-memory.dmp

          Filesize

          1008KB

        • memory/2828-59-0x0000000140000000-0x00000001400FE000-memory.dmp

          Filesize

          1016KB

        • memory/2828-54-0x0000000140000000-0x00000001400FE000-memory.dmp

          Filesize

          1016KB

        • memory/2828-53-0x00000000001C0000-0x00000000001C7000-memory.dmp

          Filesize

          28KB

        • memory/2872-92-0x00000000002A0000-0x00000000002A7000-memory.dmp

          Filesize

          28KB

        • memory/2872-98-0x0000000140000000-0x00000001400FD000-memory.dmp

          Filesize

          1012KB