Analysis

  • max time kernel
    150s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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 6 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
  • Loads dropped DLL 4 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 5 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 35 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 18 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:2716
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2732
        • 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 behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2648
        • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe" 2 2648 259472906
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    970KB

    MD5

    be736f5523597f921fac834bd2cb8723

    SHA1

    41cd7abff56748ae7eac4cd35413078950749582

    SHA256

    64bf9e6d16667c6967da60414f0e3146ea6da3d8df4432a1c9289a11e3411bc2

    SHA512

    56cf66ef52a5c724125d45b76869b9fd0f3a09da6588de5d37888ca2a7b63dd012ca4a2cffb5aa06441a7f88f3d46d67939ab70ac4964a76ba4fe8a6fe2a454b

  • memory/2252-7-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/2252-4-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/2648-31-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2648-33-0x0000000001E70000-0x0000000001F0A000-memory.dmp

    Filesize

    616KB

  • memory/2648-28-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2648-50-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2648-32-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2648-49-0x0000000004A70000-0x0000000004AB4000-memory.dmp

    Filesize

    272KB

  • memory/2648-52-0x00000000051B0000-0x00000000051C4000-memory.dmp

    Filesize

    80KB

  • memory/2648-34-0x0000000001E70000-0x0000000001F0A000-memory.dmp

    Filesize

    616KB

  • memory/2648-24-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2648-35-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2716-3-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2716-2-0x00000000003D0000-0x00000000003E3000-memory.dmp

    Filesize

    76KB

  • memory/2716-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2716-1-0x00000000003D0000-0x00000000003E3000-memory.dmp

    Filesize

    76KB

  • memory/2716-6-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2732-18-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2732-29-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2732-21-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2828-36-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB

  • memory/2828-62-0x0000000000400000-0x00000000004F9000-memory.dmp

    Filesize

    996KB