Resubmissions

02/06/2024, 15:44

240602-s6pzqafh3t 10

Analysis

  • max time kernel
    62s
  • max time network
    65s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 15:44

General

  • Target

    Shipping Docs.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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Docs.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Docs.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Users\Admin\AppData\Local\Temp\Shipping Docs.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping Docs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2020

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1440-4-0x00000000056F0000-0x00000000056FA000-memory.dmp

          Filesize

          40KB

        • memory/1440-11-0x0000000074EC0000-0x0000000075670000-memory.dmp

          Filesize

          7.7MB

        • memory/1440-2-0x0000000005D30000-0x00000000062D4000-memory.dmp

          Filesize

          5.6MB

        • memory/1440-3-0x0000000005780000-0x0000000005812000-memory.dmp

          Filesize

          584KB

        • memory/1440-5-0x0000000074EC0000-0x0000000075670000-memory.dmp

          Filesize

          7.7MB

        • memory/1440-6-0x0000000005890000-0x00000000058D8000-memory.dmp

          Filesize

          288KB

        • memory/1440-1-0x0000000000C90000-0x0000000000D10000-memory.dmp

          Filesize

          512KB

        • memory/1440-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

          Filesize

          4KB

        • memory/2020-8-0x0000000074EC0000-0x0000000075670000-memory.dmp

          Filesize

          7.7MB

        • memory/2020-9-0x00000000052D0000-0x0000000005336000-memory.dmp

          Filesize

          408KB

        • memory/2020-7-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2020-10-0x0000000074EC0000-0x0000000075670000-memory.dmp

          Filesize

          7.7MB

        • memory/2020-12-0x0000000006960000-0x00000000069B0000-memory.dmp

          Filesize

          320KB

        • memory/2020-13-0x0000000006A50000-0x0000000006AEC000-memory.dmp

          Filesize

          624KB

        • memory/2020-14-0x0000000074EC0000-0x0000000075670000-memory.dmp

          Filesize

          7.7MB