Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 01:53

General

  • Target
    4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe
  • Size 710KB
  • Sample241016-cbg3maxane
  • SHA256 153265c19c8e564e27b6895708a3a3e3fe7923ce8a6619e31b7bc59ac1ec9335
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • 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 3 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
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Users\Admin\AppData\Local\Temp\4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe"
      2⤵
        PID:4444
      • C:\Users\Admin\AppData\Local\Temp\4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1576

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4ae888539f1fbfc8f3d85a7cbddd400e_JaffaCakes118.exe.log
          • Size 1KB
          • SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
          • MD5 SHA1 SHA512

          memory/1576-13-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/1576-25-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/1576-24-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/1576-23-0x0000000006B80000-0x0000000006BD0000-memory.dmp

          memory/1576-22-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/1576-21-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/1576-20-0x00000000064A0000-0x0000000006506000-memory.dmp

          memory/1576-19-0x0000000006410000-0x0000000006428000-memory.dmp

          memory/1576-17-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/1576-16-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/4324-6-0x00000000057C0000-0x0000000005816000-memory.dmp

          memory/4324-7-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/4324-11-0x0000000008850000-0x00000000088E6000-memory.dmp

          memory/4324-10-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/4324-9-0x000000007503E000-0x000000007503F000-memory.dmp

          memory/4324-8-0x0000000005D60000-0x0000000005D76000-memory.dmp

          memory/4324-18-0x0000000075030000-0x00000000757E0000-memory.dmp

          memory/4324-12-0x000000000AFD0000-0x000000000B00C000-memory.dmp

          memory/4324-0-0x000000007503E000-0x000000007503F000-memory.dmp

          memory/4324-5-0x00000000032C0000-0x00000000032CA000-memory.dmp

          memory/4324-4-0x0000000005900000-0x0000000005992000-memory.dmp

          memory/4324-3-0x0000000005EB0000-0x0000000006454000-memory.dmp

          memory/4324-2-0x0000000005860000-0x00000000058FC000-memory.dmp

          memory/4324-1-0x0000000000DF0000-0x0000000000EA8000-memory.dmp