Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-04-2024 12:12

General

  • Target

    Novage New Purchase Order.exe

  • Size

    548KB

  • MD5

    de379a368ac84fbdd812d62390865332

  • SHA1

    50cba525e79fa50fa606668a5b400171209773c8

  • SHA256

    4fa1ddc835d185f3e6940501ba18b2add1125bcf3b2ae120cbb085861a480c49

  • SHA512

    ca1f8376ee7de97999308a15954edaf4a96fa511a491df043ea36d1033be38122ce7c85084ddfa02c16493f3ce6a56a01695b62ab04d7e3ddde1aa283011b3d0

  • SSDEEP

    12288:Ay7aP9BjyE2V7gTk2DNqGJo35NbP7r9r/+pppppppppppppppppppppppppppppb:Albf2Vzgo35t1q

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
    "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" 'C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.exe'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2176
    • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
      "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
      2⤵
        PID:2648
      • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
        "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
        2⤵
          PID:2616
        • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
          "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
          2⤵
            PID:2584
          • C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe
            "C:\Users\Admin\AppData\Local\Temp\Novage New Purchase Order.exe"
            2⤵
            • Adds Run key to start application
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2464

        Network

        MITRE ATT&CK Matrix ATT&CK v13

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Unsecured Credentials

        4
        T1552

        Credentials In Files

        3
        T1552.001

        Credentials in Registry

        1
        T1552.002

        Collection

        Data from Local System

        4
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1700-10-0x0000000000570000-0x000000000057A000-memory.dmp
          Filesize

          40KB

        • memory/1700-1-0x00000000745B0000-0x0000000074C9E000-memory.dmp
          Filesize

          6.9MB

        • memory/1700-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp
          Filesize

          256KB

        • memory/1700-3-0x0000000004670000-0x00000000046C6000-memory.dmp
          Filesize

          344KB

        • memory/1700-0-0x0000000000020000-0x00000000000AE000-memory.dmp
          Filesize

          568KB

        • memory/1700-26-0x00000000745B0000-0x0000000074C9E000-memory.dmp
          Filesize

          6.9MB

        • memory/2176-6-0x000000006F660000-0x000000006FC0B000-memory.dmp
          Filesize

          5.7MB

        • memory/2176-9-0x000000006F660000-0x000000006FC0B000-memory.dmp
          Filesize

          5.7MB

        • memory/2176-8-0x0000000002840000-0x0000000002880000-memory.dmp
          Filesize

          256KB

        • memory/2176-7-0x000000006F660000-0x000000006FC0B000-memory.dmp
          Filesize

          5.7MB

        • memory/2464-11-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2464-13-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2464-25-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2464-23-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2464-21-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2464-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/2464-17-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB

        • memory/2464-15-0x0000000000400000-0x0000000000442000-memory.dmp
          Filesize

          264KB