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Overview

overview

10

Static

static

79fcf6cfd0...cf.exe

windows7-x64

10

79fcf6cfd0...cf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    79fcf6cfd0bf20b536c61dc493dd3db116eb82230699a821eb80bf310befdecf

  • Size

    356KB

  • Sample

    221122-w79masge4v

  • MD5

    f88adb471749bf8d81a8cf4f751cfa33

  • SHA1

    9cfad677c8cdecab5292fceab6336d186cf12c11

  • SHA256

    79fcf6cfd0bf20b536c61dc493dd3db116eb82230699a821eb80bf310befdecf

  • SHA512

    85656a691ab29fa70d7ae048720ad41be2d901980885237d74d851bcdc3628b6a407f1cb2a672dbb271650b73439eccea5286aaf767be3a7902c035274bc371d

  • SSDEEP

    6144:If4c9En/SYAnpq8D6jtl7jYH3xgPRy1RbHmlwfyJvP:IAP4n8re36o1R5fy5

Score
10/10
isrstealercollectionpersistencespywarestealertrojanupx

Malware Config

Targets

    • Target

      79fcf6cfd0bf20b536c61dc493dd3db116eb82230699a821eb80bf310befdecf

    • Size

      356KB

    • MD5

      f88adb471749bf8d81a8cf4f751cfa33

    • SHA1

      9cfad677c8cdecab5292fceab6336d186cf12c11

    • SHA256

      79fcf6cfd0bf20b536c61dc493dd3db116eb82230699a821eb80bf310befdecf

    • SHA512

      85656a691ab29fa70d7ae048720ad41be2d901980885237d74d851bcdc3628b6a407f1cb2a672dbb271650b73439eccea5286aaf767be3a7902c035274bc371d

    • SSDEEP

      6144:If4c9En/SYAnpq8D6jtl7jYH3xgPRy1RbHmlwfyJvP:IAP4n8re36o1R5fy5

    Score
    10/10
    isrstealerpersistencestealertrojancollectionspywareupx

    • 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