Analysis

  • max time kernel
    141s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 12:05

General

  • Target

    f7f53d5133bf7a560f60dae7358ab459_JaffaCakes118.exe

  • Size

    1003KB

  • MD5

    f7f53d5133bf7a560f60dae7358ab459

  • SHA1

    dce6306fd1e53fef17a67e32312cdcf37dbe3bf7

  • SHA256

    d4fd7086a5837514bd7019dfaa4e6065328a1a26753b5f643c93f15ed5568c69

  • SHA512

    d81f88026e5f3e1ae8341b675931079094f3176997fcf93112c6f97abc1c4c5658f01315497d5f6b9e77b77f74d6ddf04db60bd1ffbcb8e0d13bbcb6ea51d95c

  • SSDEEP

    24576:8y14nk/pJ3ld058S7s1D0QyNenw6gEXEwqEImuvNgzY9RIU:f4nk/pJ3jEv7s1wQygnw6gEXGDmkEY97

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7f53d5133bf7a560f60dae7358ab459_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7f53d5133bf7a560f60dae7358ab459_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\f7f53d5133bf7a560f60dae7358ab459_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f7f53d5133bf7a560f60dae7358ab459_JaffaCakes118.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3032
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\f7f53d5133bf7a560f60dae7358ab459_JaffaCakes118.exe" /TN 6ek6uOO9da42 /F
        3⤵
        • Creates scheduled task(s)
        PID:2600
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 6ek6uOO9da42 > C:\Users\Admin\AppData\Local\Temp\WJf5XuntD.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2680
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 6ek6uOO9da42
          4⤵
            PID:2704

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\WJf5XuntD.xml

            Filesize

            1KB

            MD5

            ca1f0f5b3c515ce5d816f7661dfc1427

            SHA1

            a505975dc0db3dac151f66543773aa5c9044024e

            SHA256

            a50253008b8ac6b6dfd3ae06b105b9b458f39fefcfaf11a1c200f41517839451

            SHA512

            cb6d47c87644e06964b5f65dfcead41d181687ef68ca657bdc5665fd3f6278aaf2b00fc1a0c252b1c8f72961d070a08e32a3d7d6984d9d12303a6375f2c69f30

          • \Users\Admin\AppData\Local\Temp\f7f53d5133bf7a560f60dae7358ab459_JaffaCakes118.exe

            Filesize

            1003KB

            MD5

            283a91a564d56a73376e9d020c0fb267

            SHA1

            fa21bb121f86c362e74d4d08a9635044df243613

            SHA256

            5c7620eb9cab5dcac4f872a0d29d53fc00719ac9d80a83adabc87e8743e78a6b

            SHA512

            ceed293c0712aa31a625c8f4fb0935d3cbfc662447c9d2733cc9448f73cf7b79636dc08ffc0e90b1af771f0ea25c0ed839572e420f458e7862ba0e799d289654

          • memory/1936-0-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/1936-1-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/1936-2-0x0000000001660000-0x00000000016DE000-memory.dmp

            Filesize

            504KB

          • memory/1936-16-0x0000000022FD0000-0x000000002322C000-memory.dmp

            Filesize

            2.4MB

          • memory/1936-15-0x0000000000400000-0x000000000046B000-memory.dmp

            Filesize

            428KB

          • memory/3032-19-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB

          • memory/3032-21-0x0000000000380000-0x00000000003FE000-memory.dmp

            Filesize

            504KB

          • memory/3032-26-0x0000000000400000-0x000000000045B000-memory.dmp

            Filesize

            364KB

          • memory/3032-29-0x0000000000470000-0x00000000004DB000-memory.dmp

            Filesize

            428KB

          • memory/3032-44-0x0000000000400000-0x000000000065C000-memory.dmp

            Filesize

            2.4MB