Overview

overview

10

Static

static

3

Saubern.exe

windows7-x64

7

Saubern.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Saubern.exe.zip

  • Size

    12.6MB

  • Sample

    241028-yepgrstlcv

  • MD5

    c9ecb4d125bdb7252f6f509771a9db5b

  • SHA1

    20e83311e7d4edf60812762e47e6b31c34768ee7

  • SHA256

    b7234ecbd4d84c1b370031af94997b6f1e8a5f20c25283987365fd4d8c82dd54

  • SHA512

    c4d35b447a4dae5c010816c0fd573ba0420f165fb6ab9e538169c0807d79b16813421fb2fbd90c067c4bb5333397e013182e76b5f675ef625d4374cc54c32113

  • SSDEEP

    393216:D4ZCGWIkgl3qVnMgkd2hIqrN8qoIffeYI2aIMVnHuGgO:D4ZCBtjIqrOqoI3eYIRVnIO

Score
10/10
exelastealercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      Saubern.exe.bin

    • Size

      12.7MB

    • MD5

      b8b9d3608ad225f3635eb8ad2fbea455

    • SHA1

      c970967c7a05fcdb6158d5daf04f8ff5b0214435

    • SHA256

      8a2a6b2c89c052fb0ffbf2ec416c395a6334e1b1a9e66f2a820f008d1dfc2eba

    • SHA512

      4d8e9ad5a2f575a51f79ad7f12ba75fd1fb28c5c13ae6fbec2ee500eb86d58de64915dc4f19694297ffdca245e3ad714ea2e8cfc97faff4e14d0508431f2143c

    • SSDEEP

      393216:nPtw7VEzTGz7kdInrDgYBdWsKRT4Z88yL3:mREO7xBBdWY88y

    Score
    10/10
    upxexelastealercollectiondefense_evasiondiscoveryevasionpersistenceprivilege_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

      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

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

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

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

System Information Discovery

3
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