Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 11:26

General

  • Target

    79f79e7fdd867e701fbae0f4cebc9dd49537e3d40cdc227446227e34dcfe5115N.exe

  • Size

    781KB

  • MD5

    df0de1673372eb6eec708163c3411940

  • SHA1

    cdc5c2a93b82a5c7571929f09f41a30a28bd6cb4

  • SHA256

    79f79e7fdd867e701fbae0f4cebc9dd49537e3d40cdc227446227e34dcfe5115

  • SHA512

    dbc10cc6e020cf1832c3b342f089ab68aac021d527a7f12ae27296fc30eb21f514fac341c3860f75e9a148ac1243734f6be35e490e57e1900a5d5754003190d5

  • SSDEEP

    12288:7tKe6Zv23YLVFhBsC8iFHs+hsuQXIQVRpVnl3Bg5oiNBsVVQoOY41lR:v6Zv2ivhBVnFvh5Q44+ii0VaoOhPR

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 6 IoCs
  • UPX packed file 3 IoCs

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

  • Program crash 1 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 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79f79e7fdd867e701fbae0f4cebc9dd49537e3d40cdc227446227e34dcfe5115N.exe
    "C:\Users\Admin\AppData\Local\Temp\79f79e7fdd867e701fbae0f4cebc9dd49537e3d40cdc227446227e34dcfe5115N.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:4848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 628
      2⤵
      • Program crash
      PID:388
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4848 -ip 4848
    1⤵
      PID:5092

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\concp32.exe

            Filesize

            789KB

            MD5

            8b7b57b28e3ff0290b645fc8c8de8445

            SHA1

            721ad1ba5b5f5b0577167110305a5956ff67cda1

            SHA256

            bf2451144d7339c651ebd3ec786c67da4035f8e3aed286be7d938f01f81e4f85

            SHA512

            78ab1363432625d9d169b2926691a9f380e74ec064b98331fb49c926b70c71002c6a7cc32d6e8eb05946c5155d720a2b24e552a65a8683a62da12bfc7d657804

          • memory/4848-0-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB

          • memory/4848-7-0x0000000000400000-0x0000000000439000-memory.dmp

            Filesize

            228KB