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Overview

overview

10

Static

static

3

JaffaCakes...60.exe

windows7-x64

10

JaffaCakes...60.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    128s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/02/2025, 08:29

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General

  • Target

    JaffaCakes118_24b153f07bb805848770e79093e57f60.exe

  • Size

    120KB

  • MD5

    24b153f07bb805848770e79093e57f60

  • SHA1

    4da0a80502242ed5792e1bbeba1924a6f6827f0c

  • SHA256

    df82e266201cdd7e106c40b51989a8ca2a8ee48f1f6ca83ee72d19d774bbe103

  • SHA512

    cb7bd8916d036784c5e67dbd0e7cd818b4528fde9d6523fc104829d6cc38e8ba45cf779cdefaace80f837c3a8b6a2deeb8374571c85cd0db66f8214da46d2a12

  • SSDEEP

    3072:6La94GN7fiIEAeLHJx0CNPyUaohDDdhZd5VrEnxVYyAeiurVq:6La94GN7fiIEAeLHJx0CN8od531icyp2

Score
10/10
isrstealerbootkitdiscoverypersistencespywarestealertrojan

Malware Config

Signatures

  • ISR Stealer

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

    trojanstealerisrstealer
  • ISR Stealer payload 3 IoCs
  • Isrstealer family
    isrstealer
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

    bootkitpersistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24b153f07bb805848770e79093e57f60.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24b153f07bb805848770e79093e57f60.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3548
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24b153f07bb805848770e79093e57f60.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_24b153f07bb805848770e79093e57f60.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1084-4-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

    Download

  • memory/1084-2-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

    Download

  • memory/1084-7-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

    Download