Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-08-2024 11:00

General

  • Target

    be736f5523597f921fac834bd2cb8723_JaffaCakes118.exe

  • Size

    970KB

  • MD5

    be736f5523597f921fac834bd2cb8723

  • SHA1

    41cd7abff56748ae7eac4cd35413078950749582

  • SHA256

    64bf9e6d16667c6967da60414f0e3146ea6da3d8df4432a1c9289a11e3411bc2

  • SHA512

    56cf66ef52a5c724125d45b76869b9fd0f3a09da6588de5d37888ca2a7b63dd012ca4a2cffb5aa06441a7f88f3d46d67939ab70ac4964a76ba4fe8a6fe2a454b

  • SSDEEP

    24576:9+pbzwIxk4VdoqmoG8YPsICTA/8VaCnGgT:0pbkGtLKdEInEf

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 4 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be736f5523597f921fac834bd2cb8723_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be736f5523597f921fac834bd2cb8723_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4848
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:540
      • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2228
        • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:884
        • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe" 2 884 240615265
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe

    Filesize

    970KB

    MD5

    be736f5523597f921fac834bd2cb8723

    SHA1

    41cd7abff56748ae7eac4cd35413078950749582

    SHA256

    64bf9e6d16667c6967da60414f0e3146ea6da3d8df4432a1c9289a11e3411bc2

    SHA512

    56cf66ef52a5c724125d45b76869b9fd0f3a09da6588de5d37888ca2a7b63dd012ca4a2cffb5aa06441a7f88f3d46d67939ab70ac4964a76ba4fe8a6fe2a454b

  • memory/540-5-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

    Filesize

    4KB

  • memory/884-38-0x0000000004BE0000-0x0000000005184000-memory.dmp

    Filesize

    5.6MB

  • memory/884-44-0x0000000005460000-0x00000000054F2000-memory.dmp

    Filesize

    584KB

  • memory/884-20-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/884-49-0x0000000007710000-0x0000000007724000-memory.dmp

    Filesize

    80KB

  • memory/884-22-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/884-48-0x00000000076A0000-0x00000000076F0000-memory.dmp

    Filesize

    320KB

  • memory/884-46-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/884-16-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/884-45-0x0000000006850000-0x000000000685A000-memory.dmp

    Filesize

    40KB

  • memory/884-24-0x0000000000A30000-0x0000000000ACA000-memory.dmp

    Filesize

    616KB

  • memory/884-41-0x00000000052B0000-0x0000000005316000-memory.dmp

    Filesize

    408KB

  • memory/884-19-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/884-40-0x0000000005230000-0x0000000005274000-memory.dmp

    Filesize

    272KB

  • memory/884-39-0x0000000005190000-0x000000000522C000-memory.dmp

    Filesize

    624KB

  • memory/884-25-0x0000000000A30000-0x0000000000ACA000-memory.dmp

    Filesize

    616KB

  • memory/1328-27-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/1328-58-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2228-26-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2228-15-0x0000000000740000-0x0000000000741000-memory.dmp

    Filesize

    4KB

  • memory/2228-12-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

  • memory/4848-1-0x0000000002440000-0x0000000002453000-memory.dmp

    Filesize

    76KB

  • memory/4848-0-0x0000000002290000-0x0000000002291000-memory.dmp

    Filesize

    4KB

  • memory/4848-2-0x0000000002440000-0x0000000002453000-memory.dmp

    Filesize

    76KB

  • memory/4848-3-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/4848-4-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB