Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2024 15:51

General

  • Target

    c112e48a9536ad1de4c0f3a466dee4a4_JaffaCakes118.exe

  • Size

    368KB

  • MD5

    c112e48a9536ad1de4c0f3a466dee4a4

  • SHA1

    f43a3294f4f00a7ef55fd281530b71f4b09d4c71

  • SHA256

    1ba817ff4c6e54f2541e45c34db1b832c9ab9acacc71dc48ded6ffa766655532

  • SHA512

    e65f7b54f9b132ea568c78c203eacada8f9cf34cde02722a1775b9674cbdf3c1a7705f967a85b82dc885dae386b11d5b396b755e65680b7b3bd2dc45de213a2c

  • SSDEEP

    6144:e0rhHoXV+cC7VfFxbGLnHim6xI4cpkXbmvaE218sLpQluG10kak0uIiIA8uYTf:euaFje9xbYHim6CuLmvaZ8GQluaEbdiu

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c112e48a9536ad1de4c0f3a466dee4a4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c112e48a9536ad1de4c0f3a466dee4a4_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Users\Admin\AppData\Local\Temp\c112e48a9536ad1de4c0f3a466dee4a4_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\c112e48a9536ad1de4c0f3a466dee4a4_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c112e48a9536ad1de4c0f3a466dee4a4_JaffaCakes118.exe.log

    Filesize

    706B

    MD5

    2ef5ef69dadb8865b3d5b58c956077b8

    SHA1

    af2d869bac00685c745652bbd8b3fe82829a8998

    SHA256

    363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

    SHA512

    66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

  • memory/2660-16-0x00000000052D0000-0x00000000052E8000-memory.dmp

    Filesize

    96KB

  • memory/2660-15-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-22-0x0000000006E60000-0x0000000006EB0000-memory.dmp

    Filesize

    320KB

  • memory/2660-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2660-18-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-17-0x0000000005DA0000-0x0000000005E06000-memory.dmp

    Filesize

    408KB

  • memory/2660-13-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/2660-21-0x0000000006900000-0x000000000690A000-memory.dmp

    Filesize

    40KB

  • memory/2660-23-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

    Filesize

    40KB

  • memory/4580-1-0x0000000000010000-0x0000000000076000-memory.dmp

    Filesize

    408KB

  • memory/4580-8-0x0000000008150000-0x00000000081EC000-memory.dmp

    Filesize

    624KB

  • memory/4580-14-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-7-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB

  • memory/4580-2-0x0000000004FC0000-0x0000000005564000-memory.dmp

    Filesize

    5.6MB

  • memory/4580-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4580-6-0x00000000049C0000-0x00000000049E0000-memory.dmp

    Filesize

    128KB

  • memory/4580-5-0x00000000749BE000-0x00000000749BF000-memory.dmp

    Filesize

    4KB

  • memory/4580-4-0x0000000004BB0000-0x0000000004C28000-memory.dmp

    Filesize

    480KB

  • memory/4580-3-0x0000000004A10000-0x0000000004AA2000-memory.dmp

    Filesize

    584KB

  • memory/4580-9-0x00000000749B0000-0x0000000075160000-memory.dmp

    Filesize

    7.7MB