Overview

overview

10

Static

static

39ca8f9968...85.exe

windows7_x64

10

39ca8f9968...85.exe

windows10-2004_x64

1

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General

  • Target

    39ca8f9968b34c7262a5cd169e55959351c68a094983ea537b54e555be87d685

  • Size

    340KB

  • Sample

    220308-yhsctseahm

  • MD5

    445ceb67566b9baadce86dea15d48026

  • SHA1

    2ce8fccfec4a063cb153cc0d0d539612e14ba1a3

  • SHA256

    39ca8f9968b34c7262a5cd169e55959351c68a094983ea537b54e555be87d685

  • SHA512

    dcc02495e096f2fd7d057e6c84c521541cc18e1756dd6599cb66a5c76076db6f2c6961395ebc08c43a876fc792a301635c6ea9b3ab9f8f082d4abb9abcbc687c

Score
10/10
isrstealercollectionpersistencespywarestealertrojanupx

Malware Config

Targets

    • Target

      39ca8f9968b34c7262a5cd169e55959351c68a094983ea537b54e555be87d685

    • Size

      340KB

    • MD5

      445ceb67566b9baadce86dea15d48026

    • SHA1

      2ce8fccfec4a063cb153cc0d0d539612e14ba1a3

    • SHA256

      39ca8f9968b34c7262a5cd169e55959351c68a094983ea537b54e555be87d685

    • SHA512

      dcc02495e096f2fd7d057e6c84c521541cc18e1756dd6599cb66a5c76076db6f2c6961395ebc08c43a876fc792a301635c6ea9b3ab9f8f082d4abb9abcbc687c

    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

    • 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