Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 12:09

General

  • Target

    Balance payment made.exe

  • Size

    332KB

  • MD5

    719c42cc090147553a6c1579c91b4789

  • SHA1

    f3fea4df3bc34e90501a5b9c413a62184f67ff4f

  • SHA256

    c0f96896bb7e168d46975892f9bafc3358fc769568969ee421e7a0dd51ed899a

  • SHA512

    b1baa052046a238aede67262d716effd5d95fc5c4de9e241a26f31e4a80ce80e50e5d31d40677a817145e52b5418e7a0e992cfd706ce0c17851624f066de94b4

  • SSDEEP

    6144:x5wdIQrN5LW7fl1FtNLscgZwsKQs67yqcJu8eZA4uDT3+dhB:PwmwxW7d1hvgZwXQs6+M8UAjDS

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\Balance payment made.exe
    "C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2144
    • C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe
      "C:\Users\Admin\AppData\Local\Temp\Balance payment made.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1616-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1616-14-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1616-22-0x0000000074840000-0x0000000074F2E000-memory.dmp

          Filesize

          6.9MB

        • memory/1616-21-0x00000000003C0000-0x0000000000400000-memory.dmp

          Filesize

          256KB

        • memory/1616-4-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1616-6-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1616-20-0x0000000074840000-0x0000000074F2E000-memory.dmp

          Filesize

          6.9MB

        • memory/1616-8-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1616-19-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1616-10-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/1616-17-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/2144-16-0x0000000074840000-0x0000000074F2E000-memory.dmp

          Filesize

          6.9MB

        • memory/2144-0-0x0000000000810000-0x0000000000868000-memory.dmp

          Filesize

          352KB

        • memory/2144-1-0x0000000074840000-0x0000000074F2E000-memory.dmp

          Filesize

          6.9MB

        • memory/2144-3-0x0000000000560000-0x0000000000561000-memory.dmp

          Filesize

          4KB

        • memory/2144-2-0x0000000000370000-0x00000000003B0000-memory.dmp

          Filesize

          256KB