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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 09:27

General

  • Target

    09fdadbdadd49efed0c25e8827fccf4e_JaffaCakes118.exe

  • Size

    174KB

  • MD5

    09fdadbdadd49efed0c25e8827fccf4e

  • SHA1

    7c1903163dc02ea046c108b8cdf50b7682d92bbf

  • SHA256

    c0c5d2f9482da5c44f4f3843c34a3d6709a6bfa95f96440244103ff666e20708

  • SHA512

    0ba0d1969745a5a3282a7e942de09ffa68874c4ebd865a31149efc8b89df609c83a6fd103a81bf8ddedfcf19aa7bc4916a3a8371afd0c0f925e695b13176294b

  • SSDEEP

    3072:mnOn7t7XpdpCCTg/sxFgJDXecfCg0VhYy0a1ATejsDkz/ZcoxpFCvoXqi6:mKpdcCrTqcjVuyh1ai1rZtDvqi6

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops desktop.ini file(s) 2 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 2 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09fdadbdadd49efed0c25e8827fccf4e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\09fdadbdadd49efed0c25e8827fccf4e_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\AppData\Local\Temp\nsr8ACD.tmp\northstar.exe
      C:\Users\Admin\AppData\Local\Temp\nsr8ACD.tmp\northstar.exe /u4fbfca05-374c-42b7-8d55-26865bc06f2f /e4837779 /dT201301211217
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsr8ACD.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • C:\Users\Admin\AppData\Local\Temp\nsr8ACD.tmp\northstar.exe

    Filesize

    275KB

    MD5

    a1e2472db630c7043c2fb486a17300bc

    SHA1

    f289644ce703d4050b49ec0606c543a8f3928624

    SHA256

    0e990e290a6c3b4b3a3ac7495bfc197b698799ae840a06586eb5d5cbe74a1bd7

    SHA512

    3571478424b464b17ef58f43ffca57e09e539e4b83ed1a158694ab4f473001ceb37cb72c850d701767625d515f129a14a1f60446ace745517658923467b01823

  • memory/1404-45-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2440-35-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-15-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-34-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-14-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-36-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-37-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-38-0x0000000074922000-0x0000000074923000-memory.dmp

    Filesize

    4KB

  • memory/2440-39-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-41-0x0000000074920000-0x0000000074ED1000-memory.dmp

    Filesize

    5.7MB

  • memory/2440-13-0x0000000074922000-0x0000000074923000-memory.dmp

    Filesize

    4KB