General

  • Target

    Nexar.exe

  • Size

    7.6MB

  • Sample

    241107-1mf7gayhkg

  • MD5

    e79f13238418281f91b9060e58020bac

  • SHA1

    bef9b4abb0e779c1a8519f731e2433156372f2ba

  • SHA256

    4ef68e3dc9748d50c7df66349d324ab972cb313645492c192809648e1e563737

  • SHA512

    d77dbeb4c6c65c5667bcb5699f8e4389b66f9e21be125266c516c08277f5664211c3ee7ad18dc0d92dd78b67011eb226e95d54ca69d8d4e1ca9e1ddeb9c890b3

  • SSDEEP

    196608:iIgVVE9GwfI9jUC2gYBYv3vbW2+iITx1U6n4:GVVE9tIH2gYBgDWJTnz4

Malware Config

Targets

    • Target

      Nexar.exe

    • Size

      7.6MB

    • MD5

      e79f13238418281f91b9060e58020bac

    • SHA1

      bef9b4abb0e779c1a8519f731e2433156372f2ba

    • SHA256

      4ef68e3dc9748d50c7df66349d324ab972cb313645492c192809648e1e563737

    • SHA512

      d77dbeb4c6c65c5667bcb5699f8e4389b66f9e21be125266c516c08277f5664211c3ee7ad18dc0d92dd78b67011eb226e95d54ca69d8d4e1ca9e1ddeb9c890b3

    • SSDEEP

      196608:iIgVVE9GwfI9jUC2gYBYv3vbW2+iITx1U6n4:GVVE9tIH2gYBgDWJTnz4

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • Clipboard Data

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

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks