Overview

overview

10

Static

static

4be438197c...d6.exe

windows7-x64

10

4be438197c...d6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4be438197c59ab4d3d9582440414dfb9a56e9415e64804097aabf051a69f74d6

  • Size

    364KB

  • Sample

    221122-xjx42aha41

  • MD5

    186c419d81f8bb05b0f6f4f4bbae0ad3

  • SHA1

    c2f8d35881fb9b11737cc3a9e4006036e9ff2cfc

  • SHA256

    4be438197c59ab4d3d9582440414dfb9a56e9415e64804097aabf051a69f74d6

  • SHA512

    547b55621e40bb75407ee6fc5eb6d42c2cd6fdfc2b9da6ecce6e781691bd8abb93f4bab3e0904a0b63c8fae347f0020876f8a1919f62ec48405899b450b3fb8d

  • SSDEEP

    6144:92WzNfBNBaxoxzLUq+pa5MzObYrO4sMubFL6vOZ4:9HBaxox1+pIMzOcrdYFL6v

Score
10/10
isrstealercollectionpersistencespywarestealertrojanupx

Malware Config

Targets

    • Target

      4be438197c59ab4d3d9582440414dfb9a56e9415e64804097aabf051a69f74d6

    • Size

      364KB

    • MD5

      186c419d81f8bb05b0f6f4f4bbae0ad3

    • SHA1

      c2f8d35881fb9b11737cc3a9e4006036e9ff2cfc

    • SHA256

      4be438197c59ab4d3d9582440414dfb9a56e9415e64804097aabf051a69f74d6

    • SHA512

      547b55621e40bb75407ee6fc5eb6d42c2cd6fdfc2b9da6ecce6e781691bd8abb93f4bab3e0904a0b63c8fae347f0020876f8a1919f62ec48405899b450b3fb8d

    • SSDEEP

      6144:92WzNfBNBaxoxzLUq+pa5MzObYrO4sMubFL6vOZ4:9HBaxox1+pIMzOcrdYFL6v

    Score
    10/10
    isrstealercollectionpersistencespywarestealertrojanupx

    • ISR Stealer

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

      trojanstealerisrstealer

    • ISR Stealer payload

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • 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 user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks