Overview

overview

10

Static

static

aaf73a75ab...ad.exe

windows7-x64

10

aaf73a75ab...ad.exe

windows10-2004-x64

8

Sharing

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General

  • Target
    aaf73a75ab5d1e2532f0a450681b30a517ef7615e6b8c99a4c472db21e56b0ad
  • Size 647KB
  • Sample221106-jnvb2sdaej
  • SHA256 aaf73a75ab5d1e2532f0a450681b30a517ef7615e6b8c99a4c472db21e56b0ad
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
isrstealerevasionpersistencespywarestealertrojanupx

Malware Config

Targets

    • Target
      aaf73a75ab5d1e2532f0a450681b30a517ef7615e6b8c99a4c472db21e56b0ad
    • Size 647KB
    • SHA256 aaf73a75ab5d1e2532f0a450681b30a517ef7615e6b8c99a4c472db21e56b0ad
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    isrstealerevasionpersistencespywarestealertrojanupx

    • ISR Stealer

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

      trojanstealerisrstealer

    • ISR Stealer payload

    • Disables Task Manager via registry modification

      evasion

    • UPX packed file

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

      upx

    • 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