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Overview

overview

10

Static

static

3

39cef98c23...3c.exe

windows7-x64

10

39cef98c23...3c.exe

windows10-2004-x64

10

Resubmissions

16/03/2025, 00:38

250316-ay6cmawzbx 10

15/03/2025, 23:37

250315-3mc6xszmv2 10

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General

  • Target

    39cef98c230cfed0768fa061c1c42bd32080b7c1725cb43f9068b711749e8f3c

  • Size

    164KB

  • Sample

    250315-3mc6xszmv2

  • MD5

    761bcf1d315a442b1281f5d0f8ce4fa6

  • SHA1

    e4a9586d926514f198ee1ee4cd8725721ffa234f

  • SHA256

    39cef98c230cfed0768fa061c1c42bd32080b7c1725cb43f9068b711749e8f3c

  • SHA512

    1310ef76ae4b638c4cc6574cb3d7e24f69dc7b59581b4c3f60814072e9446d61d55b69ba69c22509c9d587d5328a1fff28469a4beb6a93625befddbe6213f313

  • SSDEEP

    3072:TY3W224yAIM6H/vOXoE1EMuXnD7KHmL4OnA:0G4yzRUoE1QXyO

Score
10/10
isrstealerbootkitdiscoverypersistencespywarestealertrojan

Malware Config

Targets

    • Target

      39cef98c230cfed0768fa061c1c42bd32080b7c1725cb43f9068b711749e8f3c

    • Size

      164KB

    • MD5

      761bcf1d315a442b1281f5d0f8ce4fa6

    • SHA1

      e4a9586d926514f198ee1ee4cd8725721ffa234f

    • SHA256

      39cef98c230cfed0768fa061c1c42bd32080b7c1725cb43f9068b711749e8f3c

    • SHA512

      1310ef76ae4b638c4cc6574cb3d7e24f69dc7b59581b4c3f60814072e9446d61d55b69ba69c22509c9d587d5328a1fff28469a4beb6a93625befddbe6213f313

    • SSDEEP

      3072:TY3W224yAIM6H/vOXoE1EMuXnD7KHmL4OnA:0G4yzRUoE1QXyO

    Score
    10/10
    isrstealerbootkitdiscoverypersistencespywarestealertrojan

    • ISR Stealer

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

      trojanstealerisrstealer

    • ISR Stealer payload

    • Isrstealer family

      isrstealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks