Overview

overview

10

Static

static

3

3f6607f748...18.exe

windows7-x64

10

3f6607f748...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3f6607f74883eb8cb2bb5e4284dd49d9_JaffaCakes118

  • Size

    488KB

  • Sample

    241013-msrnhasdmc

  • MD5

    3f6607f74883eb8cb2bb5e4284dd49d9

  • SHA1

    4fcb1cc875cd9e0fa2057f0c2237c4757efbf8e4

  • SHA256

    fd343ab92ff941035535dcf06fc42f9ecdc21f482ad9f3b0c2b5e1ece6baeccd

  • SHA512

    3be6453d02739a5071847f39c733a62690151788a2e597304a9c874e29e64714bb07f46a11fd54c20e3802e37402a35204e5d47839b4ad8b9bec6adb13d5f955

  • SSDEEP

    12288:WNdxlPRUwh0Bt8dgOvtdothTheJLyTWOpHOHahuFXHGjZG:WNdx3s2SOboth0hyTXO6hwKc

Score
10/10
isrstealercollectiondiscoverypersistencespywarestealertrojanupx

Malware Config

Targets

    • Target

      3f6607f74883eb8cb2bb5e4284dd49d9_JaffaCakes118

    • Size

      488KB

    • MD5

      3f6607f74883eb8cb2bb5e4284dd49d9

    • SHA1

      4fcb1cc875cd9e0fa2057f0c2237c4757efbf8e4

    • SHA256

      fd343ab92ff941035535dcf06fc42f9ecdc21f482ad9f3b0c2b5e1ece6baeccd

    • SHA512

      3be6453d02739a5071847f39c733a62690151788a2e597304a9c874e29e64714bb07f46a11fd54c20e3802e37402a35204e5d47839b4ad8b9bec6adb13d5f955

    • SSDEEP

      12288:WNdxlPRUwh0Bt8dgOvtdothTheJLyTWOpHOHahuFXHGjZG:WNdx3s2SOboth0hyTXO6hwKc

    Score
    10/10
    isrstealercollectiondiscoverypersistencespywarestealertrojanupx

    • ISR Stealer

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

      trojanstealerisrstealer

    • ISR Stealer payload

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks