Overview

overview

10

Static

static

3

Skype.exe

windows7-x64

7

Skype.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Skype.exe

  • Size

    10.8MB

  • Sample

    250128-jh71yssmdl

  • MD5

    acb5ea74898e50ffca9f426d655d08fe

  • SHA1

    55fcd77da9aec4ffdb6a3d23cb443316735fa727

  • SHA256

    e44e7810115fdafc7952fa7f62c2773812d49cf9d987114046b16fdd499ac4ee

  • SHA512

    bdacdceda1bbe1ad2b668b29fb0e21ca8451cb9429ef806d6424b444c20a3ef4b7e2b97ef047c014de8955c341c1c57f4d345b4b1f1ae9ade1609ae911031fb1

  • SSDEEP

    196608:mt9vKApxPivNm1E8giq1g9mveNo+wfm/pf+xfdkR6HAxKwCr2WOHWKD3beH:wznPi1m1Nqao+9/pWFGRZ0br2W673KH

Score
10/10
exelastealercollectiondefense_evasiondiscoverypersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      Skype.exe

    • Size

      10.8MB

    • MD5

      acb5ea74898e50ffca9f426d655d08fe

    • SHA1

      55fcd77da9aec4ffdb6a3d23cb443316735fa727

    • SHA256

      e44e7810115fdafc7952fa7f62c2773812d49cf9d987114046b16fdd499ac4ee

    • SHA512

      bdacdceda1bbe1ad2b668b29fb0e21ca8451cb9429ef806d6424b444c20a3ef4b7e2b97ef047c014de8955c341c1c57f4d345b4b1f1ae9ade1609ae911031fb1

    • SSDEEP

      196608:mt9vKApxPivNm1E8giq1g9mveNo+wfm/pf+xfdkR6HAxKwCr2WOHWKD3beH:wznPi1m1Nqao+9/pWFGRZ0br2W673KH

    Score
    10/10
    upxexelastealercollectiondefense_evasiondiscoverypersistenceprivilege_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

    • Exelastealer family

      exelastealer

    • Grants admin privileges

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

    • Modifies Windows Firewall

      defense_evasion

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Enumerates processes with tasklist

      discovery

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Network Service Discovery

1
T1046

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Process Discovery

1
T1057

Query Registry

1
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks