Overview

overview

10

Static

static

111e6fb4fa...41.exe

windows7_x64

10

111e6fb4fa...41.exe

windows10-2004_x64

8

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General

  • Target

    111e6fb4fa87fa887a993c4284c4d0c05a608af2e82807ef0c06a99a450fd641

  • Size

    426KB

  • Sample

    220604-k7hb9schgp

  • MD5

    79dbbe2f3e73d24d661219c593a8bfa1

  • SHA1

    e9b2994905b29235881c8cb7ce7af6e96ec89d54

  • SHA256

    111e6fb4fa87fa887a993c4284c4d0c05a608af2e82807ef0c06a99a450fd641

  • SHA512

    29d77ff3893f350a8bad4be8eebe53154b00cee6539ec10d6f7a0dbfb861255fccf9efc34adee45a3a80daf3e154edbc871a3ad0d9c8c493b84c36b5ffa97737

Score
10/10
isrstealerevasionpersistencespywarestealertrojan

Malware Config

Targets

    • Target

      111e6fb4fa87fa887a993c4284c4d0c05a608af2e82807ef0c06a99a450fd641

    • Size

      426KB

    • MD5

      79dbbe2f3e73d24d661219c593a8bfa1

    • SHA1

      e9b2994905b29235881c8cb7ce7af6e96ec89d54

    • SHA256

      111e6fb4fa87fa887a993c4284c4d0c05a608af2e82807ef0c06a99a450fd641

    • SHA512

      29d77ff3893f350a8bad4be8eebe53154b00cee6539ec10d6f7a0dbfb861255fccf9efc34adee45a3a80daf3e154edbc871a3ad0d9c8c493b84c36b5ffa97737

    Score
    10/10
    isrstealerevasionpersistencespywarestealertrojan

    • ISR Stealer

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

      trojanstealerisrstealer

    • ISR Stealer Payload

    • Modifies firewall policy service

      evasion

    • Adds policy Run key to start application

      persistence

    • Executes dropped EXE

    • Modifies Installed Components in the registry

      persistence

    • 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