Overview

overview

8

Static

static

1

2026-07-19...pcrypt

ubuntu-18.04-amd64

8

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General

  • Target
    2026-07-19_56d63cdb7037b4e8744f5d4f6f775cd7_dosia_poet-rat_qnapcrypt
  • Size 19.1MB
  • Sample260719-2jpvwahs3t
  • SHA256 f3cd46be32a3eabcedecceab101b2b42e85bb52590153d43139b4b2adb17a246
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
antivmdefense_evasiondiscoveryexecutionlinuxpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      2026-07-19_56d63cdb7037b4e8744f5d4f6f775cd7_dosia_poet-rat_qnapcrypt
    • Size 19.1MB
    • SHA256 f3cd46be32a3eabcedecceab101b2b42e85bb52590153d43139b4b2adb17a246
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    antivmdefense_evasiondiscoveryexecutionpersistenceprivilege_escalation

    • Adds new SSH keys

      Linux special file to hold SSH keys. The threat actor may add new keys for further remote access.

      persistenceprivilege_escalation

    • File and Directory Permissions Modification

      Adversaries may modify file or directory permissions to evade defenses.

      defense_evasion

    • Executes dropped EXE

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

      executionpersistenceprivilege_escalation

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

      persistenceprivilege_escalationdefense_evasion

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

      persistenceprivilege_escalation

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

      discovery

    • Write file to user bin folder

      persistence

    • Modifies Bash startup script

      persistence
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Persistence

Account Manipulation

1
T1098

SSH Authorized Keys

1
T1098.004

Boot or Logon Autostart Execution

2
T1547

XDG Autostart Entries

1
T1547.013

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Event Triggered Execution

1
T1546

Unix Shell Configuration Modification

1
T1546.004

Hijack Execution Flow

1
T1574

Path Interception by PATH Environment Variable

1
T1574.007

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Privilege Escalation

Account Manipulation

1
T1098

SSH Authorized Keys

1
T1098.004

Boot or Logon Autostart Execution

2
T1547

XDG Autostart Entries

1
T1547.013

Create or Modify System Process

1
T1543

Systemd Service

1
T1543.002

Event Triggered Execution

1
T1546

Unix Shell Configuration Modification

1
T1546.004

Hijack Execution Flow

1
T1574

Path Interception by PATH Environment Variable

1
T1574.007

Scheduled Task/Job

1
T1053

Cron

1
T1053.003

Defense Evasion

File and Directory Permissions Modification

1
T1222

Linux and Mac File and Directory Permissions Modification

1
T1222.002

Hijack Execution Flow

1
T1574

Path Interception by PATH Environment Variable

1
T1574.007

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Credential Access

Discovery

System Information Discovery

1
T1082

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

2
T1016.001

Virtualization/Sandbox Evasion

1
T1497

System Checks

1
T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks