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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01/03/2025, 03:07

General

  • Target

    JaffaCakes118_36532bd11cfa323c79a3b3d455788e40.exe

  • Size

    208KB

  • MD5

    36532bd11cfa323c79a3b3d455788e40

  • SHA1

    49a2b1b817a0a6d8f281d0716c2b4322289d3460

  • SHA256

    30b05b5f0efd6d5e71fde66fb9d360470a880ac04003b5665796aa3d0bac5d2a

  • SHA512

    5a78a7f38a97fbd64f9ef2b7fc40e38bf4b267eb72a5c2ca83414365d38a8886a0ac93db96ca0bed6f8f70c60f9e95bfc0fab18c54ec13eff422e43638863176

  • SSDEEP

    6144:V3bdXPx3KdIKCC0ef//uXltKc+LVsz9b8:BKdFeCXuLKcCVsz6

Malware Config

Signatures

  • ISR Stealer

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

  • Isrstealer family
  • Reads user/profile data of web browsers 3 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 5 IoCs

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

  • 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.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36532bd11cfa323c79a3b3d455788e40.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36532bd11cfa323c79a3b3d455788e40.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:320
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_36532bd11cfa323c79a3b3d455788e40.exe
      /scomma "C:\Users\Admin\AppData\Local\Temp\qXpKIyOARk.ini"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\qXpKIyOARk.ini

    Filesize

    5B

    MD5

    d1ea279fb5559c020a1b4137dc4de237

    SHA1

    db6f8988af46b56216a6f0daf95ab8c9bdb57400

    SHA256

    fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

    SHA512

    720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

  • memory/2920-6-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2920-5-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2920-4-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2920-2-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2920-8-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB