Analysis

  • max time kernel
    142s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2025, 20:21

General

  • Target

    JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe

  • Size

    1.9MB

  • MD5

    97c58b8ea171d3f901800e34c69141c3

  • SHA1

    5a1cf7700ee264cface9968ffcd749527ef51992

  • SHA256

    2f1f52855d71e532c986d86aaeb5753ad4b678b512ef056a8c2260612dccbb82

  • SHA512

    13c0dfb88cd0d33cd5af2dc0ada29ae645052beec0d718c43a6cd278d57effa3c8d402455022bc3ed4217c484041da851e9189ebc7c12a252770a940f6c5813e

  • SSDEEP

    49152:VeOYNw8+Cu9ifT5KzyrOTFfoPebTxc4w6SkN:VjtoVKzyrONoPMqkN

Malware Config

Signatures

  • ISR Stealer

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

  • ISR Stealer payload 4 IoCs
  • Isrstealer family
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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 2 IoCs
  • UPX packed file 5 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies registry class 12 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe"
      2⤵
      • Checks BIOS information in registry
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1804
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe
        C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2316
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_97c58b8ea171d3f901800e34c69141c3.exe
          /scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1804-36-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-61-0x0000000002360000-0x00000000024A2000-memory.dmp

    Filesize

    1.3MB

  • memory/1804-9-0x0000000002360000-0x00000000024A2000-memory.dmp

    Filesize

    1.3MB

  • memory/1804-3-0x0000000002360000-0x00000000024A2000-memory.dmp

    Filesize

    1.3MB

  • memory/1804-10-0x0000000000601000-0x0000000000602000-memory.dmp

    Filesize

    4KB

  • memory/1804-18-0x0000000002360000-0x00000000024A2000-memory.dmp

    Filesize

    1.3MB

  • memory/1804-17-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-22-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-21-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-59-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-15-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-26-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-25-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-24-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-23-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-29-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-37-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-38-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-11-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-35-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-16-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-27-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-58-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-56-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-54-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-53-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-1-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-28-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-30-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-51-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-50-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-31-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-47-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-46-0x0000000003B00000-0x0000000003E63000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-45-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-32-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-33-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/1804-34-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2104-2-0x0000000002190000-0x00000000024F3000-memory.dmp

    Filesize

    3.4MB

  • memory/2104-63-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2104-0-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2104-57-0x0000000000400000-0x0000000000763000-memory.dmp

    Filesize

    3.4MB

  • memory/2316-48-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2316-39-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2316-41-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2316-43-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2316-52-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2316-66-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2316-77-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2580-70-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2580-68-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2580-71-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2580-72-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/2580-76-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB