Analysis

  • max time kernel
    140s
  • 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
    17/10/2024, 00:26

General

  • Target
    4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe
  • Size 912KB
  • Sample241017-arftdsvfnk
  • SHA256 7b41a9a1a23c32d730a0db98e4cf4bca1be4fd58b9852eb2b2a1687f651b10b8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    Qz(CKtM2101

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 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\4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fdb956b1e1cebcb7171b0d43abd34b2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3612
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fpFzBjIZtmHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B63.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4336
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:3552

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp1B63.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp1B63.tmp
        • Size 1KB
        • SHA256 c10ea44656b950670343e17ae6b6234141a31ad3ea6adc419f6d8541e1e5d40f
        • MD5 SHA1 SHA512

        memory/3552-29-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3552-28-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3552-27-0x0000000006930000-0x0000000006980000-memory.dmp

        memory/3552-26-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3552-25-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3552-24-0x00000000064C0000-0x0000000006526000-memory.dmp

        memory/3552-23-0x00000000055A0000-0x00000000055B8000-memory.dmp

        memory/3552-22-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3552-21-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3552-18-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/3612-6-0x0000000005960000-0x00000000059B6000-memory.dmp

        memory/3612-7-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3612-11-0x0000000006F90000-0x000000000702C000-memory.dmp

        memory/3612-10-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3612-20-0x0000000074CC0000-0x0000000075470000-memory.dmp

        memory/3612-9-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

        memory/3612-8-0x0000000005C50000-0x0000000005C66000-memory.dmp

        memory/3612-12-0x00000000095C0000-0x00000000095FC000-memory.dmp

        memory/3612-0-0x0000000074CCE000-0x0000000074CCF000-memory.dmp

        memory/3612-5-0x00000000057D0000-0x00000000057DA000-memory.dmp

        memory/3612-4-0x0000000005810000-0x00000000058A2000-memory.dmp

        memory/3612-3-0x0000000005D20000-0x00000000062C4000-memory.dmp

        memory/3612-2-0x00000000056D0000-0x000000000576C000-memory.dmp

        memory/3612-1-0x0000000000C90000-0x0000000000D7A000-memory.dmp