Analysis

  • max time kernel
    139s
  • max time network
    142s
  • 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, 02:53

General

  • Target

    8ec80f0c252e4428e2e383aad8cc212a_JaffaCakes118.exe

  • Size

    75KB

  • MD5

    8ec80f0c252e4428e2e383aad8cc212a

  • SHA1

    4635ab9c4a56f4846b5872c9abede2b68819fe8b

  • SHA256

    dc7df90dc4e9c9898f92023224b4e20a791b728543c5ec7f5703f6880f4e42d1

  • SHA512

    211a1f9db2ed646e86596e57648dc6bbb63401d1830109bd85a70092e4df490c2280e9879a845ecbe2dbd842ef7447ea8a4d9d0f966d52b4d0e96e7385fa9775

  • SSDEEP

    1536:QXWwODtX2W5AUSrKev9yG0hcEptq60gm0UlBdDz7F0grZetx9mAN:YWbOrF9PC0MSlJRsIAN

Malware Config

Signatures

  • Windows security bypass 2 TTPs 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Windows directory 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 Control Panel 3 IoCs
  • Modifies registry class 60 IoCs
  • Runs net.exe
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ec80f0c252e4428e2e383aad8cc212a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ec80f0c252e4428e2e383aad8cc212a_JaffaCakes118.exe"
    1⤵
    • Windows security bypass
    • Windows security modification
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:2744
    • C:\Windows\SysWOW64\regsvr32.exe
      C:\Windows\system32\regsvr32.exe /s C:\Windows\ieocx.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:912
    • C:\Windows\SysWOW64\net.exe
      C:\Windows\system32\net.exe stop "Security Center"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop "Security Center"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3592

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\ieocx.dll

          Filesize

          29KB

          MD5

          74b6a00a13cb371c4c919da8e44eac5e

          SHA1

          baa584419445c50188ce895947bc5783bde5ea5c

          SHA256

          21511fea07b56208026de586fd4ed1d204a2b74124f5437cc3d1deeffb21d471

          SHA512

          73ef4be67472a7299ae024d455aadb3069ee2eef746f98a9a43b5fa2b89fcf6017a202d1b81626c1926c0920946191dab23360a8be7afb3f5e909c3565f66828

        • memory/912-8-0x0000000010000000-0x000000001000E000-memory.dmp

          Filesize

          56KB

        • memory/912-10-0x0000000010002000-0x0000000010004000-memory.dmp

          Filesize

          8KB

        • memory/912-9-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

          Filesize

          24KB

        • memory/2744-3-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2744-2-0x0000000000401000-0x000000000040A000-memory.dmp

          Filesize

          36KB

        • memory/2744-4-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2744-12-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2744-11-0x0000000000401000-0x000000000040A000-memory.dmp

          Filesize

          36KB

        • memory/2744-13-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/2744-14-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB