Analysis

  • max time kernel
    110s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 2 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
  • 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
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msrpc.exe

    Filesize

    114KB

    MD5

    923edf5c48e16f2645eaa61ac6e110aa

    SHA1

    446f243af745d65856118d18a40ea946fd324931

    SHA256

    f5af7a4f2c9346aaa8ab5fe8707a43faa2abde5d312b43ca5b459c023cbb974e

    SHA512

    79065fc2fcffb41ae728f4fcdc44ef5b78577c44735dceaf6b065eb4c6f6c89ebec2ff9e90a0dbfa25b7534b966e7c3eebb82bbf48c4b36ed51672f72f44599c

  • memory/1636-0-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1636-17-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1636-18-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1636-19-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1636-20-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1636-21-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/1636-22-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB