Windows 7 deprecation

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Analysis

  • max time kernel
    119s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 17:57

General

  • Target

    7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe

  • Size

    68KB

  • MD5

    2c2a9d9e6aa48bd08d5e6c2a5908b6d0

  • SHA1

    2d36e2ce85049818e500958a38363bfa383edbfa

  • SHA256

    7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06

  • SHA512

    328fb4304dd67cce6f5f6f950a2b634e93e4ec8eb4babd7948b6d796a9351a23bdcf7dbfc4d0d6b1c3f0887b37f4afbf07cc634e58d1eb01eb5c724a193a0b5c

  • SSDEEP

    1536:NAo0Tj2d6rnJwwvl4ulkP6v8tvGE9UHrSdghj8bvHRIkhbUIchUh80mhDh4PhihT:NAoglOwvl4ulkP6v8tvGE9UHrSdghj8M

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe
    "C:\Users\Admin\AppData\Local\Temp\7b8818f034965a8e1f649b480072cd0f5ca88131e773222f5e5c90431e25cf06N.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:2584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\microsofthelp.exe

    Filesize

    68KB

    MD5

    df51a64eae338094307680f67d6f473c

    SHA1

    fce690d293c131b50e1333fbd830f7d5146582ce

    SHA256

    fe0430a65b1da8135ff37b859ffc7f1fac3785046edafe1c6a4cdfd7b4c7c788

    SHA512

    1098ec99713d9c1cdedd0a3672c40804677081f05e131cb8517287cdb9c50ace5b7631dd6f5dae1e1d5e0ac894659b47dd89dae02c22afdf343e314745fdbe37

  • memory/1508-0-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/1508-5-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/2584-6-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB