Analysis

  • max time kernel
    97s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-01-2025 20:33

General

  • Target

    JaffaCakes118_ab031839b4f841c3b709fdeb2f8d2889.exe

  • Size

    375KB

  • MD5

    ab031839b4f841c3b709fdeb2f8d2889

  • SHA1

    6c9e7d0f2a212fda955802586713d8996ff5d11d

  • SHA256

    65d44c4290e2bab8287d1a51f22a5ce6b72e989126975bd9e99692a693008b0f

  • SHA512

    0c4cb8190b9bce977b3df9cc12b725967cd68e8bb689c587306496bb835216174f838785f45720f7721c7be3f55abaf552dd310c0bd9dd352a8143826d3f7755

  • SSDEEP

    6144:1BlL/G4BUKkY3PBmgaklTZFbsIG5RQzq6IvpnwxByMmSo/mpC:jY4BNPBTaSZqIG5RQWd1HNOpC

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab031839b4f841c3b709fdeb2f8d2889.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab031839b4f841c3b709fdeb2f8d2889.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab031839b4f841c3b709fdeb2f8d2889.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab031839b4f841c3b709fdeb2f8d2889.exe"
      2⤵
        PID:3640
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 1096
        2⤵
        • Program crash
        PID:4468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2192 -ip 2192
      1⤵
        PID:4492

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\nsz91A2.tmp\bjvymjgfvgw.dll

        Filesize

        21KB

        MD5

        c82d0e41e34f602a656c7b2383b461c3

        SHA1

        5d6cda3477276064e3f68c5e46819b7c59439667

        SHA256

        10a63a0ce01a0ee1af0fea454eba728754e4c8baf040965bc49cc850556436d7

        SHA512

        8ad0f3038d13b0efaca3a19fdce1d6b77ff5b78f1dc994bd8bbcfe909752e66abfc5550e494b6aaae0bbe043500c9bcd1f4e8d055eb2c41432cbf62316ca709b

      • memory/2192-7-0x0000000074F15000-0x0000000074F17000-memory.dmp

        Filesize

        8KB