Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 17:12

General

  • Target

    kostyapvealt.exe

  • Size

    37KB

  • MD5

    64e78b2e941c1b43d37ef11f3b32e1bb

  • SHA1

    33dedf85c8752624c62ca72850bd371ef9c51ae3

  • SHA256

    3ecfaa681e3e1273c4ffadc28187573a6f32d7c69694b90fa87c98dc71e5dc39

  • SHA512

    a52a0088ff2f1e9f9eba7299e29c7ee4db1288f7bf8d6db78a560de0e199f64708edeee03d5f305bb046c025355da779887a766fba6c85beaa90ee368db1f5bc

  • SSDEEP

    384:5QNcoixJ/l7OHg1WykrHD3HC8GYPdArAF+rMRTyN/0L+EcoinblneHQM3epzXHVE:SN+R1NkrHDSNYVArM+rMRa8NulVst

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kostyapvealt.exe
    "C:\Users\Admin\AppData\Local\Temp\kostyapvealt.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\kostyapvealt.exe" "kostyapvealt.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:1776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2516-0-0x0000000074D81000-0x0000000074D82000-memory.dmp

    Filesize

    4KB

  • memory/2516-1-0x0000000074D80000-0x000000007532B000-memory.dmp

    Filesize

    5.7MB

  • memory/2516-2-0x0000000074D80000-0x000000007532B000-memory.dmp

    Filesize

    5.7MB

  • memory/2516-4-0x0000000074D80000-0x000000007532B000-memory.dmp

    Filesize

    5.7MB