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Analysis

  • max time kernel
    96s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 12:19

General

  • Target

    fc481eef55550690716a35ccef072428_JaffaCakes118.exe

  • Size

    248KB

  • MD5

    fc481eef55550690716a35ccef072428

  • SHA1

    ca8c32164c615e179608a91ebae2c9dcc6662824

  • SHA256

    263557f3ad580d4416c30aa31da0f72f817d72545cf923725e1a12231c9b06c7

  • SHA512

    1941c62215faf76abc5aa62612d3a56498fc2dd675a1ef4fa4df36f77a1368f44c97ebc22aa1136319aee62667f53ec172ec41dc5efe346db5206ecf7c270d22

  • SSDEEP

    3072:gLiF91QlWBybXxlXfsYKFLS0Xru2P/rOC0T8ojeotY:QiD11uXf1KUSvXrOCijT+

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc481eef55550690716a35ccef072428_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc481eef55550690716a35ccef072428_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies Internet Explorer Protected Mode
      • Modifies Internet Explorer Protected Mode Banner
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      PID:3560
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 380
        3⤵
        • Program crash
        PID:3988
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3560 -ip 3560
    1⤵
      PID:3328

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\LiveContent\16\User\SmartArt Graphics\verifiergui.exe

      Filesize

      248KB

      MD5

      fc481eef55550690716a35ccef072428

      SHA1

      ca8c32164c615e179608a91ebae2c9dcc6662824

      SHA256

      263557f3ad580d4416c30aa31da0f72f817d72545cf923725e1a12231c9b06c7

      SHA512

      1941c62215faf76abc5aa62612d3a56498fc2dd675a1ef4fa4df36f77a1368f44c97ebc22aa1136319aee62667f53ec172ec41dc5efe346db5206ecf7c270d22

    • memory/716-1-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

    • memory/716-2-0x0000000000400000-0x0000000000447000-memory.dmp

      Filesize

      284KB

    • memory/716-3-0x00000000022F0000-0x0000000002334000-memory.dmp

      Filesize

      272KB

    • memory/716-0-0x00000000022D0000-0x00000000022D2000-memory.dmp

      Filesize

      8KB

    • memory/3560-30-0x0000000075E50000-0x0000000075F0F000-memory.dmp

      Filesize

      764KB

    • memory/3560-26-0x0000000075DD0000-0x0000000075E45000-memory.dmp

      Filesize

      468KB

    • memory/3560-20-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-19-0x0000000076FD0000-0x00000000771E5000-memory.dmp

      Filesize

      2.1MB

    • memory/3560-13-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-9-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-28-0x0000000075E50000-0x0000000075F0F000-memory.dmp

      Filesize

      764KB

    • memory/3560-31-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-27-0x0000000076420000-0x0000000076540000-memory.dmp

      Filesize

      1.1MB

    • memory/3560-10-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-21-0x00000000763A0000-0x000000007641A000-memory.dmp

      Filesize

      488KB

    • memory/3560-22-0x00000000763A0000-0x000000007641A000-memory.dmp

      Filesize

      488KB

    • memory/3560-18-0x0000000076FD0000-0x00000000771E5000-memory.dmp

      Filesize

      2.1MB

    • memory/3560-15-0x0000000076FD0000-0x00000000771E5000-memory.dmp

      Filesize

      2.1MB

    • memory/3560-36-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-35-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-33-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB

    • memory/3560-43-0x0000000001000000-0x0000000001044000-memory.dmp

      Filesize

      272KB