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Analysis

  • max time kernel
    107s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 11:30

General

  • Target

    Booking_0106.exe

  • Size

    1.9MB

  • MD5

    219bc0b3320f5f73d684f07800c0134d

  • SHA1

    867abe30a0018c0c902f11a9edfb7c0262cdedf5

  • SHA256

    4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6

  • SHA512

    4bec94a472bdbd156f22bd4eddb44bb8b2c11910e4c12269fa73a7f71f4f290db4eb9014bf5e1ba322c97af7a195081821d35848b6ea93dce5e05a18cd6c88a4

  • SSDEEP

    49152:2RvAXWfY323knu/nL1Pv4ZWrgN4l07QfR0feTtH8FmmCCCCCvaFK3:UfrU2pSsF8FmmCCCCCL3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    162.254.34.31
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ABwuRZS5Mjh5

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe
        "C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3852
        • C:\Users\Admin\AppData\Local\Temp\doc-d.exe
          "C:\Users\Admin\AppData\Local\Temp\doc-d.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2660
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 1632
            4⤵
            • Program crash
            PID:2600
      • C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe
        "C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2660 -ip 2660
      1⤵
        PID:2908

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\doc-d.exe

        Filesize

        15KB

        MD5

        c9ef77ca68f77b6c1267a7314203c94b

        SHA1

        3c43348fdbcbb25f6a145d32c604f76844994c3f

        SHA256

        fbcdfa1a6fb23286f43c1ac9cf45dc4be64f328cf1c719abe7fb503021bf9e3d

        SHA512

        4893a117704eda88e3a8fc5e0d68c2b70da2a0fd439baae46b717ae41862f910ca4416fe2d89b7113722862a96ed746b1710f33643bf927f63a325542382baf6

      • memory/1092-1108-0x00000000053B0000-0x0000000005416000-memory.dmp

        Filesize

        408KB

      • memory/1092-1109-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1092-1107-0x0000000000400000-0x0000000000440000-memory.dmp

        Filesize

        256KB

      • memory/1092-1113-0x0000000006A20000-0x0000000006A2A000-memory.dmp

        Filesize

        40KB

      • memory/1092-1112-0x0000000006AB0000-0x0000000006B42000-memory.dmp

        Filesize

        584KB

      • memory/1092-1111-0x0000000006970000-0x0000000006A0C000-memory.dmp

        Filesize

        624KB

      • memory/1092-1110-0x0000000006880000-0x00000000068D0000-memory.dmp

        Filesize

        320KB

      • memory/1092-1115-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/1092-1104-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2660-1103-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2660-1116-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2660-1105-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2660-1114-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/2660-1098-0x00000000003A0000-0x00000000003AA000-memory.dmp

        Filesize

        40KB

      • memory/3852-8-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-1078-0x00000000059D0000-0x0000000005A1C000-memory.dmp

        Filesize

        304KB

      • memory/3852-40-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-36-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-34-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-32-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-30-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-28-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-26-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-25-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-22-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-20-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-18-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-16-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-12-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

        Filesize

        4KB

      • memory/3852-6-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-58-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-38-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-14-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-3-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-1077-0x0000000005A40000-0x0000000005AAC000-memory.dmp

        Filesize

        432KB

      • memory/3852-1079-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-42-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-1080-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-1084-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-1085-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-1086-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-44-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-1100-0x0000000005C10000-0x0000000005C64000-memory.dmp

        Filesize

        336KB

      • memory/3852-1099-0x0000000006C80000-0x0000000007224000-memory.dmp

        Filesize

        5.6MB

      • memory/3852-46-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-49-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-1106-0x0000000074C00000-0x00000000753B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3852-50-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-52-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-54-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-56-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-60-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-62-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-64-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-66-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-10-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-4-0x0000000005860000-0x000000000594C000-memory.dmp

        Filesize

        944KB

      • memory/3852-2-0x0000000005860000-0x0000000005952000-memory.dmp

        Filesize

        968KB

      • memory/3852-1-0x0000000000CF0000-0x0000000000EDC000-memory.dmp

        Filesize

        1.9MB