Overview

overview

10

Static

static

a1773b654b...00.exe

windows7-x64

10

a1773b654b...00.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a1773b654b8724ebe57bc5d10cf65d2dc031846ab6bd3c96167c25aa23788b00

  • Size

    408KB

  • Sample

    221202-gyzneaag56

  • MD5

    a5dad59342b10f77be163943a0627875

  • SHA1

    4a7d1f2ce7293794b74dc9d00d6fa1393d07a213

  • SHA256

    a1773b654b8724ebe57bc5d10cf65d2dc031846ab6bd3c96167c25aa23788b00

  • SHA512

    f6722bfbb610f44199c2595129b38145a0125afa50df9fe015f4e29e2fe90200c18ad84928835eaf85a4e3f91bcd5fb262ad4c257421da35475a55173a0ff18b

  • SSDEEP

    6144:v7l/Mts0sXrneChRWcSUEC8ctAom2C+do4ON1ZA0bYQpBuLGlY+6iPHS/ei:hMSeChscpEBctA2Q11aPQ3/6/ei

Score
10/10
isrstealerpersistencespywarestealertrojanupx

Malware Config

Targets

    • Target

      a1773b654b8724ebe57bc5d10cf65d2dc031846ab6bd3c96167c25aa23788b00

    • Size

      408KB

    • MD5

      a5dad59342b10f77be163943a0627875

    • SHA1

      4a7d1f2ce7293794b74dc9d00d6fa1393d07a213

    • SHA256

      a1773b654b8724ebe57bc5d10cf65d2dc031846ab6bd3c96167c25aa23788b00

    • SHA512

      f6722bfbb610f44199c2595129b38145a0125afa50df9fe015f4e29e2fe90200c18ad84928835eaf85a4e3f91bcd5fb262ad4c257421da35475a55173a0ff18b

    • SSDEEP

      6144:v7l/Mts0sXrneChRWcSUEC8ctAom2C+do4ON1ZA0bYQpBuLGlY+6iPHS/ei:hMSeChscpEBctA2Q11aPQ3/6/ei

    Score
    10/10
    isrstealerpersistencespywarestealertrojanupx

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

      trojanstealerisrstealer

    • ISR Stealer payload

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks