Overview

overview

10

Static

static

3

winAPI.exe

windows7-x64

7

winAPI.exe

windows10-1703-x64

7

winAPI.exe

windows10-2004-x64

10

winAPI.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    winAPI.exe

  • Size

    28.5MB

  • Sample

    240716-zhra7syhlj

  • MD5

    a6c1b27e646cf5904a69e45ffc8808d5

  • SHA1

    7cbafd874594bf3ee91cc49d7fa8ec686b4cad80

  • SHA256

    d9cd6884ad7518018efaa52cde9c0ed46fba959e9ea093c97e68004dbf2cad66

  • SHA512

    b55adebe3be59f15eb66a80d2b328d20e3a7fb1aa8d666e37195855f0a510e9abaefe0ad58ec20e14b1d3426995c9e54c6fe9491704db44931a2777eb5e8c2c8

  • SSDEEP

    393216:Em+sFHI7EzNFAUYl8XRQo/gCcT5NB35jmxEsYAwD6UWsNWcxjQl:Em+GCl3nNWclM

Score
10/10
exelastealerdefense_evasionevasionexecutionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      winAPI.exe

    • Size

      28.5MB

    • MD5

      a6c1b27e646cf5904a69e45ffc8808d5

    • SHA1

      7cbafd874594bf3ee91cc49d7fa8ec686b4cad80

    • SHA256

      d9cd6884ad7518018efaa52cde9c0ed46fba959e9ea093c97e68004dbf2cad66

    • SHA512

      b55adebe3be59f15eb66a80d2b328d20e3a7fb1aa8d666e37195855f0a510e9abaefe0ad58ec20e14b1d3426995c9e54c6fe9491704db44931a2777eb5e8c2c8

    • SSDEEP

      393216:Em+sFHI7EzNFAUYl8XRQo/gCcT5NB35jmxEsYAwD6UWsNWcxjQl:Em+GCl3nNWclM

    Score
    10/10
    pyinstallerupxexelastealerdefense_evasionevasionpersistenceprivilege_escalationspywarestealerexecution

    • 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

    • Enumerates VirtualBox DLL files

    • Grants admin privileges

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Modifies Windows Firewall

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Executes dropped EXE

    • 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

    • Adds Run key to start application

      persistence

    • 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
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Persistence

Account Manipulation

1
T1098

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

3
T1564

Hidden Files and Directories

3
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

File and Directory Discovery

1
T1083

Process Discovery

1
T1057

System Information Discovery

3
T1082

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks