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Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 02:14

General

  • Target

    712c87bdaf07988abfb4f1b9d6d1fc42.exe

  • Size

    456KB

  • MD5

    712c87bdaf07988abfb4f1b9d6d1fc42

  • SHA1

    43caeec2f26c402aa902049840e837b2723b5756

  • SHA256

    bd32db099fbf1dac36ba14591b5a09c6e9b7e409244fb325e8aea555ecc65315

  • SHA512

    afda97d98e10eebf8299fbf103fdb9f73ad3fc5305f78508b111ed8db3eeb46f515f4cd1a622a708bbf6b555e03568a3e4380f62b3c89e30e293d938978bb66c

  • SSDEEP

    12288:b0VZyRhrASYm35BfstvO93a4pqzzjevg:b0V03Ahm35Bn3a42jq

Score
7/10

Malware Config

Signatures

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\712c87bdaf07988abfb4f1b9d6d1fc42.exe
    "C:\Users\Admin\AppData\Local\Temp\712c87bdaf07988abfb4f1b9d6d1fc42.exe"
    1⤵
    • Adds Run key to start application
    • Checks for any installed AV software in registry
    • Enumerates system info in registry
    • Suspicious use of WriteProcessMemory
    PID:1256
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1692

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1256-0-0x00000000003E0000-0x00000000003F2000-memory.dmp

    Filesize

    72KB

  • memory/1256-1-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/1256-2-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/1256-10-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/1256-15-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB

  • memory/1256-16-0x0000000000400000-0x00000000004CB000-memory.dmp

    Filesize

    812KB