Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/06/2024, 07:35

General

  • Target

    b7c57e0f512d3fe3f7416a8ffa3d54eb96ca5ddb9701dcabf527afd8bebcd430.exe

  • Size

    53KB

  • MD5

    998be66f56f9e598cf872629927ee026

  • SHA1

    f5e3d7f961db9ea296e274ebedc21277262423c1

  • SHA256

    b7c57e0f512d3fe3f7416a8ffa3d54eb96ca5ddb9701dcabf527afd8bebcd430

  • SHA512

    024d386121292a4cd9e406d87f52695aa282b28725cf234d9a00e415ab55b9aa080dbd00fad718ed3ff0c3f889e6a770a21229c10f8b213ad17c5fe6a4dfdfb8

  • SSDEEP

    1536:vN8g8r8QNEHxl2N7Kp3StjEMjmLM3ztDJWZsXy4JzxPMk:OEHxl2NJJjmLM3zRJWZsXy4Jt

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7c57e0f512d3fe3f7416a8ffa3d54eb96ca5ddb9701dcabf527afd8bebcd430.exe
    "C:\Users\Admin\AppData\Local\Temp\b7c57e0f512d3fe3f7416a8ffa3d54eb96ca5ddb9701dcabf527afd8bebcd430.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Users\Admin\misom.exe
      "C:\Users\Admin\misom.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\misom.exe

    Filesize

    53KB

    MD5

    43f37656dafb0331cf449cdbd49cbaa0

    SHA1

    adfb501a782c535788aac46b1a9a263b03d6cb10

    SHA256

    533e0af2c90413cda483c46f0f64782c9de92a0def88b761ff68cb0cd3cb1969

    SHA512

    3630fc2754a6e93105ff514538224d65adc11d7b54246b82f0f7a31d90fec348a199ec5e2428b7ed6321413af4292a2eeb752ea3b3027682f6def1e7ed065aeb

  • memory/2744-16-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2936-0-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/2936-15-0x0000000003700000-0x0000000003712000-memory.dmp

    Filesize

    72KB

  • memory/2936-14-0x0000000003700000-0x0000000003712000-memory.dmp

    Filesize

    72KB