Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 09:27

General

  • Target

    ef8021882f75940ff76968791d5bce75_JaffaCakes118.exe

  • Size

    296KB

  • MD5

    ef8021882f75940ff76968791d5bce75

  • SHA1

    a8bd484c2c6e5098ba1a40006873d942989834d1

  • SHA256

    1e7a548dcf53ec20366d199d7a1b8b3b8723e0fa797d994f1f3ff86add1ea8cf

  • SHA512

    320140da82e26ba40465fa718a5591907b49cb64cc23775baf847d55d66b694b82d871715ad598edf8fd57b7522d26d851dc6107e4c5ce055c873a6273466b91

  • SSDEEP

    6144:GsWXEYrnUGzb15WFLydUHHkbXxNa7yda55TgbHgisJ9PHiaI0:G17rnUabuLQUnaXna+da55Tgbux

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 2 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef8021882f75940ff76968791d5bce75_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef8021882f75940ff76968791d5bce75_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Program Files\Common Files\Microsoft Shared\MSINFO\DNS.exe
      "C:\Program Files\Common Files\Microsoft Shared\MSINFO\DNS.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\system32\calc.exe"
        3⤵
          PID:2288
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 12
            4⤵
            • Program crash
            PID:2728
        • C:\program files\internet explorer\IEXPLORE.EXE
          "C:\program files\internet explorer\IEXPLORE.EXE"
          3⤵
            PID:1980
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\ReDelBat.bat""
          2⤵
          • System Location Discovery: System Language Discovery
          PID:3396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2288 -ip 2288
        1⤵
          PID:3268

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Common Files\Microsoft Shared\MSINFO\ReDelBat.bat

          Filesize

          212B

          MD5

          c8606c0be805485c96b3ed57a2219709

          SHA1

          3710a4507ccc4ee4cbaac8c3b67ec5d3ac71da5b

          SHA256

          aa1e84df5ffdb49c7139361f5e36200e577c032e052c1ec2f19e67b07f7d1f86

          SHA512

          98c02b4b1bd83475235bfd1ae1d6fb38b2910aad1134268f5119cd1a8c4523ca8d0be4e9fd7ba5668a62d2e4b71477256c9c019841faafdc1f0e20e672fa558a

        • F:\DNS.exe

          Filesize

          296KB

          MD5

          ef8021882f75940ff76968791d5bce75

          SHA1

          a8bd484c2c6e5098ba1a40006873d942989834d1

          SHA256

          1e7a548dcf53ec20366d199d7a1b8b3b8723e0fa797d994f1f3ff86add1ea8cf

          SHA512

          320140da82e26ba40465fa718a5591907b49cb64cc23775baf847d55d66b694b82d871715ad598edf8fd57b7522d26d851dc6107e4c5ce055c873a6273466b91

        • memory/2288-19-0x0000000000400000-0x00000000004C6000-memory.dmp

          Filesize

          792KB

        • memory/3516-0-0x0000000000400000-0x00000000004C6000-memory.dmp

          Filesize

          792KB

        • memory/3516-1-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

          Filesize

          4KB

        • memory/3516-25-0x0000000000400000-0x00000000004C6000-memory.dmp

          Filesize

          792KB

        • memory/4008-15-0x0000000000400000-0x00000000004C6000-memory.dmp

          Filesize

          792KB

        • memory/4008-23-0x0000000000400000-0x00000000004C6000-memory.dmp

          Filesize

          792KB

        • memory/4008-16-0x00000000007A0000-0x00000000007A1000-memory.dmp

          Filesize

          4KB