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Analysis

  • max time kernel
    110s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 05:12

General

  • Target

    a9b56eb72c28cff541f7cd8c8febd5d0N.exe

  • Size

    114KB

  • MD5

    a9b56eb72c28cff541f7cd8c8febd5d0

  • SHA1

    bcba6bbbc899ab33f2d9c2adecf78a1ac2dfdbbf

  • SHA256

    e71d0bea7d56ecf4852ddbdd71aba057adf13ff78755467caae58590dba77435

  • SHA512

    533810e3c8f9b82c42e4aa3edad9263bb0b3d1d9f134caf811a3aba8181e5c5e0994eaa9286dfd12b97f6797a6c70ecbc40fb1104ffac143975ab8ebdb3b5769

  • SSDEEP

    3072:/y3xG9uGQVwuWmWg9+P3to8VGIoInBGbLMHMb9/x1H:KhG9uGju9tcPdzSIAnF9JB

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 13 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.

  • Modifies registry class 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9b56eb72c28cff541f7cd8c8febd5d0N.exe
    "C:\Users\Admin\AppData\Local\Temp\a9b56eb72c28cff541f7cd8c8febd5d0N.exe"
    1⤵
    • Modifies firewall policy service
    • Adds policy Run key to start application
    • Sets service image path in registry
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    PID:2204

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msrpc.exe

    Filesize

    114KB

    MD5

    f67e86c4b1bc4b62e45d21c72ca10981

    SHA1

    5387288ffafd7694d7ab8936bddb94e432065d7e

    SHA256

    bc09e1dabab8377de9b48bf014c465e78c28052c10283423e6604119eceb6975

    SHA512

    ff19df171b4cda63b1019dd9e042fb461057e1e0985cb2985672f5f5de50181278945ed30e3519905b8c0b680f4b49ee1ccad2887454e2570d0a20db4dcb8163

  • memory/2204-0-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2204-17-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2204-18-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2204-19-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2204-20-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2204-21-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2204-22-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB