Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-05-2024 02:33

General

  • Target

    52ab939a75757880e9bfc35fd2fa2576_JaffaCakes118.dll

  • Size

    1.4MB

  • MD5

    52ab939a75757880e9bfc35fd2fa2576

  • SHA1

    3f2653d7e6126b092d0dde6b762771f69fc53bce

  • SHA256

    7ecf07ac53b189273246a924e5dfec00f279ef61109ef416a064ceae4363a03b

  • SHA512

    e977a0e211fd2080da59b8402f3871e260c6bb5972834116086719b61ef246a3ea7057f9561df03ada1e478f55799e77adf510774610d78f3e42d6ce9159a1c9

  • SSDEEP

    24576:oVHchfFcSTdS1ZikTqpaIJvzSqbY/0Z2ZlECMNXkTlzvmJL8y:oV8hf6STw1ZlQauvzSq01ICe6zvm

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 7 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\52ab939a75757880e9bfc35fd2fa2576_JaffaCakes118.dll,#1
    1⤵
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    PID:2256
  • C:\Windows\system32\unregmp2.exe
    C:\Windows\system32\unregmp2.exe
    1⤵
      PID:2548
    • C:\Users\Admin\AppData\Local\TnN\unregmp2.exe
      C:\Users\Admin\AppData\Local\TnN\unregmp2.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      PID:1724
    • C:\Windows\system32\dccw.exe
      C:\Windows\system32\dccw.exe
      1⤵
        PID:836
      • C:\Users\Admin\AppData\Local\GChYXbsg\dccw.exe
        C:\Users\Admin\AppData\Local\GChYXbsg\dccw.exe
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        PID:1568
      • C:\Windows\system32\slui.exe
        C:\Windows\system32\slui.exe
        1⤵
          PID:2288
        • C:\Users\Admin\AppData\Local\zJZm29Q5\slui.exe
          C:\Users\Admin\AppData\Local\zJZm29Q5\slui.exe
          1⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          PID:2916

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          1.4MB

          MD5

          4b81ca325bdfae94f0ad2bfd1528b84f

          SHA1

          a37315fbf6c81a6e9a24ab050bd16fec0d01596c

          SHA256

          08048d0870e802b6ae995c8b4066b422d14704083baed55c403c6757ed1d3423

          SHA512

          a90f724653d552e8c96fbbd8787ec901fe7fbf1beb0a065797dd01527bacf88ff1e92c54b76ab779d5da0f0a158f43b8ffac0869b22f00090e414a0f894bc4f7

        • C:\Users\Admin\AppData\Local\TnN\slc.dll

          Filesize

          1.4MB

          MD5

          76ef5c8db7e684598f4e8a3cf6e91ca2

          SHA1

          b85ee931c287b9c97b778093290a80b978dc614d

          SHA256

          d463a24fb9b9dafc5b273fe5654ed8e298b4550c2f0d25ada2fb22ed9ff1a03d

          SHA512

          930a0923c2b2aa4e6d85f974d62b70e8ea6288a14e81e0a8dcd7cfad5aec3397f69741ca3fdbebe27302f5783fcbfe5dbcd2496c57c218179990957a05a52a65

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

          Filesize

          316KB

          MD5

          64b328d52dfc8cda123093e3f6e4c37c

          SHA1

          f68f45b21b911906f3aa982e64504e662a92e5ab

          SHA256

          7d6be433ba7dd4a2b8f8b79d7b87055da8daafa3e0404432d40469c39c2040e1

          SHA512

          e29fc068532df36f39c86b79392b5c6191de6f69b7beaba28f9ac96a26089b341b770ff29556eca14f57afd1de59a6f3726818482d6861bdd8ac556ae768df00

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

          Filesize

          870B

          MD5

          67911b8d9e389c4f327b4f30ead134f7

          SHA1

          0879f8250e0ec1aa1725ed607a1cbf27a87705a7

          SHA256

          fb658e3a89a33384302f164bb5cc9fd0351fa837e283a043d9a8c50213b88b11

          SHA512

          ef2451dcc4f617aa3d49c2e31f27536aac19a730f0c9467ea74ffcf2f5c2f7a6fdad80b300a1b4945c08634c227bd4a759d52eee362d8734d6785e95c506c460

        • \Users\Admin\AppData\Local\GChYXbsg\dccw.exe

          Filesize

          861KB

          MD5

          a46cee731351eb4146db8e8a63a5c520

          SHA1

          8ea441e4a77642e12987ac842b36034230edd731

          SHA256

          283526a98a83524d21ff23f9109754c6587380b67f74cc02a9a4cd56fdb720d5

          SHA512

          3573c0ae21406db0c6fdda7c065fabde03235bde7f5589910822500bdfa37144f59f6e58e753e7347b899998db1dcb28050ac5a4e2c611558ae5fa405fbbc5cc

        • \Users\Admin\AppData\Local\zJZm29Q5\slc.dll

          Filesize

          1.4MB

          MD5

          4cf152006c230ddcefccf5e520c8302d

          SHA1

          81c5013cc4572c528535ee18653e719a7604a746

          SHA256

          3324575943fbc99c4ce77821ebbf2748f3159a4102f7c1d6afdf7e5163fd6274

          SHA512

          9c658f916c27b45416cc46c7582208b15b73f8632a9abebff5d84f72ff98cf0b9e6d977a2c4c60705e6bb3f470804404b3384dc48420d58e50fe4ae619936711

        • \Users\Admin\AppData\Local\zJZm29Q5\slui.exe

          Filesize

          341KB

          MD5

          c5ce5ce799387e82b7698a0ee5544a6d

          SHA1

          ed37fdb169bb539271c117d3e8a5f14fd8df1c0d

          SHA256

          34aa7ca0ea833263a6883827e161a5c218576c5ad97e0ce386fad4250676b42c

          SHA512

          79453b45e1f38d164ee3dbc232f774ff121d4394c22783140f5c8c722f184a69f499f2fb9621bdb28f565065b791883526e1a1d4abef9df82289613c2ce97a5c

        • memory/1364-34-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-29-0x0000000077251000-0x0000000077252000-memory.dmp

          Filesize

          4KB

        • memory/1364-15-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-14-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-13-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-11-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-10-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-9-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-16-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-7-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-12-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-4-0x0000000077146000-0x0000000077147000-memory.dmp

          Filesize

          4KB

        • memory/1364-33-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-5-0x00000000025D0000-0x00000000025D1000-memory.dmp

          Filesize

          4KB

        • memory/1364-26-0x00000000025B0000-0x00000000025B7000-memory.dmp

          Filesize

          28KB

        • memory/1364-25-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-8-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/1364-30-0x00000000773E0000-0x00000000773E2000-memory.dmp

          Filesize

          8KB

        • memory/1364-62-0x0000000077146000-0x0000000077147000-memory.dmp

          Filesize

          4KB

        • memory/1568-70-0x0000000000180000-0x0000000000187000-memory.dmp

          Filesize

          28KB

        • memory/1568-77-0x0000000140000000-0x0000000140177000-memory.dmp

          Filesize

          1.5MB

        • memory/1568-76-0x00000000FF180000-0x00000000FF259000-memory.dmp

          Filesize

          868KB

        • memory/1724-55-0x00000000FF980000-0x00000000FF9D2000-memory.dmp

          Filesize

          328KB

        • memory/1724-57-0x0000000140000000-0x0000000140177000-memory.dmp

          Filesize

          1.5MB

        • memory/1724-50-0x00000000000F0000-0x00000000000F7000-memory.dmp

          Filesize

          28KB

        • memory/1724-51-0x0000000140000000-0x0000000140177000-memory.dmp

          Filesize

          1.5MB

        • memory/2256-40-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/2256-1-0x0000000140000000-0x0000000140176000-memory.dmp

          Filesize

          1.5MB

        • memory/2256-0-0x0000000000290000-0x0000000000297000-memory.dmp

          Filesize

          28KB

        • memory/2916-89-0x0000000000280000-0x0000000000287000-memory.dmp

          Filesize

          28KB

        • memory/2916-95-0x0000000140000000-0x0000000140177000-memory.dmp

          Filesize

          1.5MB