Overview

overview

10

Static

static

b877b7de1b...e2.exe

windows7_x64

10

b877b7de1b...e2.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    b877b7de1b96f28deab0077de2e79040f0bd0677c4b05083e145862ee44f70e2
  • Size 272KB
  • Sample220308-jmsf3acgf3
  • SHA256 b877b7de1b96f28deab0077de2e79040f0bd0677c4b05083e145862ee44f70e2
  • MD5 SHA1 SHA512
Score
10/10
isrstealerspywarestealertrojanupx

Malware Config

Targets

    • Target
      b877b7de1b96f28deab0077de2e79040f0bd0677c4b05083e145862ee44f70e2
    • Size 272KB
    • SHA256 b877b7de1b96f28deab0077de2e79040f0bd0677c4b05083e145862ee44f70e2
    • MD5 SHA1 SHA512
    Score
    10/10
    isrstealerspywarestealertrojanupx

    • ISR Stealer

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

      trojanstealerisrstealer

    • ISR Stealer Payload

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks