Analysis

  • max time kernel
    95s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 23:19

General

  • Target

    d41d83747c393dffe19f1ae809298f9e_JaffaCakes118.exe

  • Size

    1.8MB

  • MD5

    d41d83747c393dffe19f1ae809298f9e

  • SHA1

    c9d50292460b218e9c50204f621315994631f6f5

  • SHA256

    a8155c456591d039a2229e3445d197a575c173b1e81be6d2cffb9fec0bf31dee

  • SHA512

    86623850e1c46ab45b309d60371d8c5a14a6850ee84d9d7f74f4d47aaa1f455bc9f5515d65c0b46a4eec01430d3df503bf2e8e8356ee75a1979654166e2245c5

  • SSDEEP

    49152:LqhbdfW89H0JYOWJh7yedL50IXYIcRGE3:mhFW85IWJh+e950IXvW3

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    restd.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    6zUU+}u29n[J

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • Blustealer family
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d41d83747c393dffe19f1ae809298f9e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d41d83747c393dffe19f1ae809298f9e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4964 -s 1480
      2⤵
      • Program crash
      PID:2708
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4964 -ip 4964
    1⤵
      PID:2864

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2600-8-0x0000000000400000-0x0000000000509000-memory.dmp

      Filesize

      1.0MB

    • memory/2600-10-0x0000000000400000-0x0000000000509000-memory.dmp

      Filesize

      1.0MB

    • memory/2600-13-0x0000000000400000-0x0000000000509000-memory.dmp

      Filesize

      1.0MB

    • memory/4964-0-0x000000007460E000-0x000000007460F000-memory.dmp

      Filesize

      4KB

    • memory/4964-1-0x0000000000080000-0x000000000025A000-memory.dmp

      Filesize

      1.9MB

    • memory/4964-2-0x0000000005240000-0x00000000057E4000-memory.dmp

      Filesize

      5.6MB

    • memory/4964-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp

      Filesize

      584KB

    • memory/4964-4-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-5-0x00000000050C0000-0x00000000050CA000-memory.dmp

      Filesize

      40KB

    • memory/4964-6-0x000000007460E000-0x000000007460F000-memory.dmp

      Filesize

      4KB

    • memory/4964-7-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB

    • memory/4964-14-0x0000000074600000-0x0000000074DB0000-memory.dmp

      Filesize

      7.7MB