Overview

overview

10

Static

static

3

Zentorno.exe

windows7-x64

7

Zentorno.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Zentorno.exe

  • Size

    22.8MB

  • Sample

    240706-vzz78awhkp

  • MD5

    73fa9f6e4e23b86e8d70b798c615e5b4

  • SHA1

    1a980a5068f3abd7fa52e47e35d72b3ff87393b2

  • SHA256

    8c5ec160d82c0e4ebe41644266e36206282c42ed0beeccee703b616fc0d2bbcd

  • SHA512

    03651ce7fea049afa37f612cd1f6d91f3b0efd4310f602f3aa8ed138de1a5c4ed134aea27956e6e3b4a9d4a471080821119e5d124fa5e6af2f87f8577ed2a02c

  • SSDEEP

    196608:Wkv//LngPA4mtSHeNvX+wfm/pf+xfdkR0ZWKsnarIWOzW0DaqkH:r1vtSUvX+9/pWFGRiBsnarIWeRaDH

Score
10/10
exelastealerdefense_evasionevasionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      Zentorno.exe

    • Size

      22.8MB

    • MD5

      73fa9f6e4e23b86e8d70b798c615e5b4

    • SHA1

      1a980a5068f3abd7fa52e47e35d72b3ff87393b2

    • SHA256

      8c5ec160d82c0e4ebe41644266e36206282c42ed0beeccee703b616fc0d2bbcd

    • SHA512

      03651ce7fea049afa37f612cd1f6d91f3b0efd4310f602f3aa8ed138de1a5c4ed134aea27956e6e3b4a9d4a471080821119e5d124fa5e6af2f87f8577ed2a02c

    • SSDEEP

      196608:Wkv//LngPA4mtSHeNvX+wfm/pf+xfdkR0ZWKsnarIWOzW0DaqkH:r1vtSUvX+9/pWFGRiBsnarIWeRaDH

    Score
    10/10
    upxexelastealerdefense_evasionevasionpersistenceprivilege_escalationpyinstallerspywarestealer

    • 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

    • UPX packed file

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

      upx

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

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

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

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

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Resource Development

Reconnaissance

Tasks