Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 00:08

General

  • Target

    b99a2aca682af780d42ea5e58673da48_JaffaCakes118.exe

  • Size

    164KB

  • MD5

    b99a2aca682af780d42ea5e58673da48

  • SHA1

    6e39828a6555c02bd12bea3d8a1170fedb9dd39f

  • SHA256

    11c4690549a25b759ecd9d25382d3e8683f6e880d46c8dd04a74a866edd28eb4

  • SHA512

    1e5e108f7dfbfca31ca2d34bcab6bd476b99b73b9e5d8ad43ed270ac9ac98dfec227f7e7a53706c427548e0e1a7779c5c2bf46d49e2752b139621ec50284ef5c

  • SSDEEP

    3072:YbGZ/3I5HwD0EcfxSZxTwZn3fT2fP2d67tPmFsp2MdYDluW1Sgs10MtNXFokMDvi:YCZ/3sHw0Ecfwu3fL/6EluW1Psv

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3372
      • C:\Users\Admin\AppData\Local\Temp\b99a2aca682af780d42ea5e58673da48_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\b99a2aca682af780d42ea5e58673da48_JaffaCakes118.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4336
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1800
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4392
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a8FAD.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4524
          • C:\Users\Admin\AppData\Local\Temp\b99a2aca682af780d42ea5e58673da48_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\b99a2aca682af780d42ea5e58673da48_JaffaCakes118.exe"
            4⤵
            • Executes dropped EXE
            PID:412
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:516
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4788
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4384
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:468
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:1460

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      632KB

      MD5

      2e7b41bf309ddb424c6de836559e4d5c

      SHA1

      923e5eec25ab81af277a634e97b166d78846399a

      SHA256

      345b3e5ba6750d9cde70c7b137cf18d9324c9f13546d49813b616a67482f7ee6

      SHA512

      b0fa128af3f6d44e9971ab1caa4ad4f2530b2100d5ff436f98440cf02b6d9835a3e3271c8b1ae16084b85f19fe81d9b4d34c1aaec8d656b65c378cd31ae86a53

    • C:\Users\Admin\AppData\Local\Temp\$$a8FAD.bat

      Filesize

      614B

      MD5

      c533490ac68c4df150b1c21f290f4134

      SHA1

      52b497e90d003296df09c75c4a2eecf84ff2fbf9

      SHA256

      5b0502b9a145d6ecf53ba71f3468e292da5f06f8eb177fe9f0b26a1725045add

      SHA512

      7d8e739447450131883359864fe48a31929b194cbe0ee34670799846a04911f2a485999962560459bf4dee1b92cba7b49620231d46abe6247284bcbef15e44b8

    • C:\Users\Admin\AppData\Local\Temp\b99a2aca682af780d42ea5e58673da48_JaffaCakes118.exe.exe

      Filesize

      76KB

      MD5

      ab74aa8defc1ca82759788a55b673629

      SHA1

      64eaa5f6cc51635124674c4439ac34f7dd46bc13

      SHA256

      f6888f5a134294c2ed1be85357f1a7bf2eee9653251aa63271bb6e570caffc6a

      SHA512

      b54507a8d5086eb293bdc452b131cab1e5f3d9c92429b5d22ed82ff14386038eb903d1babdea95c16134771906329f40fcfbf3aad4b7fccddd0a417b147718b3

    • C:\Windows\Logo1_.exe

      Filesize

      88KB

      MD5

      4500649708c2ca51412703610451b44f

      SHA1

      3995956ecdfed936555526230a0fd35f96eaa3ce

      SHA256

      f573b56af42f2270c2125ae682308ef08e3e42c3200bd5a08c0734d2a945ceb0

      SHA512

      05b4e50e2bb5f634c9090354cb518f615bc734582d96992539a83d1e169c265a274b28c31e24df5992e10372c6775db0fcbad49adbcdeb52291d12a7a23ea716

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-656926755-4116854191-210765258-1000\_desktop.ini

      Filesize

      9B

      MD5

      ea1fdd6264971a0921c1b04845297702

      SHA1

      a0af652ae24bbe3fe4f6ae191acb15a920d5f28d

      SHA256

      85cc4584bb51256e8fcd5ef0a9e280d1abf4df2e02e7ed91e736fcf64b380728

      SHA512

      8be806db19abd1f0d6bb38c65726f738a4f8dd9d0b3de9e648ea317f6a2db85640ad02da6392a5db7fde8dfbf24718d22508507a78cbb0892c52bc3c72114cf5

    • memory/516-17-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/516-2640-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/516-8844-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4336-8-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB