Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/11/2026, 12:18

General

  • Target
    2026-11-07_8a72783717af3ecff27339eec03b4d97_cobalt-strike_dosia_luca-stealer_quasar-rat.exe
  • Size 4.5MB
  • Sample261107-pg3bzacz2m
  • SHA256 9ca5646640e5d7946ab3d71de47517e0c51c6058f10be90b16b5157d4e909107
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • vshell

C2
  • ws://82.23.246.123

Attributes
  • port

    8023

  • salt

    gougou

  • type

    ws

  • vkey

    gougou

Signatures

  • Family: VShell

    VShell is a cross-platform Go-based RAT and C2 framework targeting Windows and Linux.

  • Detects VSHELL Backdoor 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-11-07_8a72783717af3ecff27339eec03b4d97_cobalt-strike_dosia_luca-stealer_quasar-rat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-11-07_8a72783717af3ecff27339eec03b4d97_cobalt-strike_dosia_luca-stealer_quasar-rat.exe"
    1⤵
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4752

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/4752-0-0x0000000067D40000-0x0000000068534000-memory.dmp

        memory/4752-10-0x0000000000190000-0x000000000067B000-memory.dmp

        memory/4752-23-0x0000000000190000-0x000000000067B000-memory.dmp