Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/05/2024, 01:00

General

  • Target

    shipment invoice.exe

  • Size

    491KB

  • MD5

    f01a3a3a9c895b320ef5cd519cf30eb3

  • SHA1

    2bf14991c94bcc27043cfd0908d3c7df3064ae3a

  • SHA256

    0c33297e293bffec0a5728c9553044a89b5b4ef7389b2a45fb460dbc0fdf838a

  • SHA512

    105b77f75ea1a3101e834744e310791a767529acf6c5bf949833b39efa9fe93b21a1062847e7ad15521fbedb7fe05c3c539b8c7e5cb7c51047091c213284b7e7

  • SSDEEP

    12288:aM5FVuS1Ow2nQARhG3HYoOw8P7r9r/+ppppppppppppppppppppppppppppp0G:3AS1F2nBDFZ1q

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.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\shipment invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1728

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1288-15-0x00000000745C0000-0x0000000074CAE000-memory.dmp

          Filesize

          6.9MB

        • memory/1288-1-0x0000000000ED0000-0x0000000000F50000-memory.dmp

          Filesize

          512KB

        • memory/1288-2-0x0000000000560000-0x00000000005A8000-memory.dmp

          Filesize

          288KB

        • memory/1288-17-0x00000000745C0000-0x0000000074CAE000-memory.dmp

          Filesize

          6.9MB

        • memory/1288-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

          Filesize

          4KB

        • memory/1728-10-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1728-14-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1728-12-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1728-7-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1728-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1728-16-0x00000000745C0000-0x0000000074CAE000-memory.dmp

          Filesize

          6.9MB

        • memory/1728-6-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1728-18-0x00000000745C0000-0x0000000074CAE000-memory.dmp

          Filesize

          6.9MB

        • memory/1728-3-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1728-5-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1728-19-0x00000000745C0000-0x0000000074CAE000-memory.dmp

          Filesize

          6.9MB