Analysis

  • max time kernel
    138s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 13:39

General

  • Target

    86441f2bdcebaff18508df7e7abeb8fe_JaffaCakes118.exe

  • Size

    333KB

  • MD5

    86441f2bdcebaff18508df7e7abeb8fe

  • SHA1

    83bf95c9d04b2b138324487b7e84f74ba38047e8

  • SHA256

    106551fca79f7aef8d903cb967cf58bcc312fb27fbadd77ec08c77dcf9effea9

  • SHA512

    54f6ddca3780a82c234fa36a307a1fb7c01411bf1e14906dd192d29a20f77c88adbb9a06150ff4ac88c26ed8058b3cd6486ed0bb7ea0294eba9b1569e41cc3b5

  • SSDEEP

    6144:9U1AYBg+3zBWX4oXx5UyonY4Cve6lbUCDts8NbVD7aQ1ZY/6kraVDR0o:9U1ALWzYooBubdCzJlts8Nb5OQ8SgalO

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 7 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 2 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 30 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86441f2bdcebaff18508df7e7abeb8fe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\86441f2bdcebaff18508df7e7abeb8fe_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:1724
    • C:\Program Files\Common Files\Microsoft Shared\MSINFO\cookis.exe
      "C:\Program Files\Common Files\Microsoft Shared\MSINFO\cookis.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:2056
      • C:\Windows\SysWOW64\calc.exe
        "C:\Windows\system32\calc.exe"
        3⤵
        • Suspicious use of UnmapMainImage
        PID:4400
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4400 -s 12
          4⤵
          • Program crash
          PID:2576
      • C:\program files\internet explorer\IEXPLORE.EXE
        "C:\program files\internet explorer\IEXPLORE.EXE"
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4068
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4068 CREDAT:17410 /prefetch:2
          4⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:3024
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SxingDel.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4400 -ip 4400
    1⤵
      PID:3996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      212B

      MD5

      6fbf342fb1f5d9024b01619736f59270

      SHA1

      e935c410f225fa10e80976634eec5093d40b1ea8

      SHA256

      4728f57c64042d20d7261e212f7538c543511b7dd0419eb8680531b5179f5ba2

      SHA512

      8d201d8997bea21e95e036fd86d566899902b3c981d75d81ea1c00e3cddf638b4ea8b6ca76a9058e9da35815161bdb796454bf66ff6c8b774d236a1bb7e93f38

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IFM58U6K\suggestions[1].en-US

      Filesize

      17KB

      MD5

      5a34cb996293fde2cb7a4ac89587393a

      SHA1

      3c96c993500690d1a77873cd62bc639b3a10653f

      SHA256

      c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

      SHA512

      e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    • F:\cookis.exe

      Filesize

      333KB

      MD5

      86441f2bdcebaff18508df7e7abeb8fe

      SHA1

      83bf95c9d04b2b138324487b7e84f74ba38047e8

      SHA256

      106551fca79f7aef8d903cb967cf58bcc312fb27fbadd77ec08c77dcf9effea9

      SHA512

      54f6ddca3780a82c234fa36a307a1fb7c01411bf1e14906dd192d29a20f77c88adbb9a06150ff4ac88c26ed8058b3cd6486ed0bb7ea0294eba9b1569e41cc3b5

    • memory/1724-0-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/1724-7-0x00000000007A0000-0x00000000007A1000-memory.dmp

      Filesize

      4KB

    • memory/1724-27-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2056-15-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/2056-20-0x00000000009A0000-0x00000000009A1000-memory.dmp

      Filesize

      4KB

    • memory/2056-25-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB

    • memory/4068-21-0x0000000000CA0000-0x0000000000D77000-memory.dmp

      Filesize

      860KB

    • memory/4400-18-0x0000000000400000-0x00000000004D7000-memory.dmp

      Filesize

      860KB