Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/11/2024, 01:19

General

  • Target

    8e70b7105035839b36c4af79ab9dc3e7_JaffaCakes118.exe

  • Size

    195KB

  • MD5

    8e70b7105035839b36c4af79ab9dc3e7

  • SHA1

    ec864e373d03cd56b1ec2ec3ddda159eed49c66c

  • SHA256

    e0ba5fab6b8c8001696856c0e1255fbeb1589925b4fdf4561f05dbef000b06a9

  • SHA512

    a4dec9c687a8dda095c9a5b413a9de2d15f588d4227fa8212db7bca647c3eed97faec27d08db07c66ef1d1e211f4e74efeb3b721b0ed7dfe3ff3986e88d6524a

  • SSDEEP

    3072:rpzRNYuluupWyvbOijh7UAoaI52pySvl3nW0CWcscGF8ZHmt4qB8lGpC9SSK1nD:rZRvupm9UX5WflXW5Wc88wG7GpC9yt

Malware Config

Signatures

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e70b7105035839b36c4af79ab9dc3e7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e70b7105035839b36c4af79ab9dc3e7_JaffaCakes118.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1516
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:332

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Instant Access\DesktopIcons\NoCreditCard.lnk

            Filesize

            2KB

            MD5

            c2abc8d78153f0af3ed8dfd28fde7012

            SHA1

            046e93d5ffde6cc19f4003972ce03979a763eff3

            SHA256

            59d3699e07144dd3dc71e2b2be331ec9c8d9e2f734d17021680b4e31bd40386b

            SHA512

            426c7acee0993a360bc5e1b8297835b5a4f963ff07bb79c07a87bda80a6192ffff5b2779b5105ba12591259ee675bb262ce1c7c77992307369bc254673361a60

          • C:\Program Files (x86)\Instant Access\Multi\20091016121022\instant access.exe

            Filesize

            195KB

            MD5

            8e70b7105035839b36c4af79ab9dc3e7

            SHA1

            ec864e373d03cd56b1ec2ec3ddda159eed49c66c

            SHA256

            e0ba5fab6b8c8001696856c0e1255fbeb1589925b4fdf4561f05dbef000b06a9

            SHA512

            a4dec9c687a8dda095c9a5b413a9de2d15f588d4227fa8212db7bca647c3eed97faec27d08db07c66ef1d1e211f4e74efeb3b721b0ed7dfe3ff3986e88d6524a

          • C:\Windows\dialerexe.ini

            Filesize

            680B

            MD5

            9a9b71d41b964aa053d25f020edcc118

            SHA1

            6a885fc6ceb994f43a1f41723156e83101f35b05

            SHA256

            c44ddfc857788d4a937db7940aecedc7a99afe13ca8f936247d0eb6566b8bca9

            SHA512

            a4af3e4f11e4669067324ae8643aba7a7da6bad170bbb7914d3bdb96e9a889f6b9378269b444c41b44cad02f3abad751a9d2c3da83c8194fbb27efe32122ee64

          • memory/1516-0-0x0000000000400000-0x000000000041B000-memory.dmp

            Filesize

            108KB

          • memory/1516-3-0x0000000010000000-0x000000001004C000-memory.dmp

            Filesize

            304KB

          • memory/1516-4-0x0000000010000000-0x000000001004C000-memory.dmp

            Filesize

            304KB

          • memory/1516-5-0x0000000000400000-0x0000000000443908-memory.dmp

            Filesize

            270KB

          • memory/1516-1-0x0000000010000000-0x000000001004C000-memory.dmp

            Filesize

            304KB