Overview

overview

10

Static

static

3

Zyrak.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Zyrak.exe

  • Size

    13.0MB

  • Sample

    240701-pkmqpavcqq

  • MD5

    9624aa9bf59c4964fc202fd428ce519d

  • SHA1

    e1e56568f59a0e8bad7b18934af367b783063dbc

  • SHA256

    915e18ee4e889e1612331e6e233e110380a1360e8f372d01e4681745b50a63ac

  • SHA512

    ea2d940b11a3c7131afd45fc83a12c7cbab6f7ef879ba673702b5913172d4e2c3349ce65e4c2df85d71da9476bc998f75bc5a9f46c48c26ee5468cd98c956a2f

  • SSDEEP

    393216:EAct+L01+l+uq+Vvj1+TtIiF90VQxOC7P6gM:EQ01+l+uqgvj1QtINHC7Pc

Score
10/10
exelastealerdefense_evasionevasionpersistenceprivilege_escalationpyinstallerspywarestealer

Malware Config

Targets

    • Target

      Zyrak.exe

    • Size

      13.0MB

    • MD5

      9624aa9bf59c4964fc202fd428ce519d

    • SHA1

      e1e56568f59a0e8bad7b18934af367b783063dbc

    • SHA256

      915e18ee4e889e1612331e6e233e110380a1360e8f372d01e4681745b50a63ac

    • SHA512

      ea2d940b11a3c7131afd45fc83a12c7cbab6f7ef879ba673702b5913172d4e2c3349ce65e4c2df85d71da9476bc998f75bc5a9f46c48c26ee5468cd98c956a2f

    • SSDEEP

      393216:EAct+L01+l+uq+Vvj1+TtIiF90VQxOC7P6gM:EQ01+l+uqgvj1QtINHC7Pc

    Score
    10/10
    exelastealerdefense_evasionevasionpersistenceprivilege_escalationspywarestealer

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

      stealerexelastealer

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Modifies Windows Firewall

      evasion

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

3
T1082

Process Discovery

1
T1057

Query Registry

1
T1012

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks