Analysis

  • max time kernel
    144s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    25/08/2021, 09:35

General

  • Target
    Approved Purchase Order#08024021#.exe
  • Size 924KB
  • Sample210825-3gpffbgj7x
  • SHA256 8c5b43b0e8a36c7522180ca43e43868972cffd9b50e5bbac32694d7aecf4448c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.alighierieventos.com/

  • Port

    21

  • Password

    7Le20=0C=pOa

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe
    "C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe
      "C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe"
      2⤵
        PID:764
      • C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe
        "C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe"
        2⤵
          PID:564
        • C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe
          "C:\Users\Admin\AppData\Local\Temp\Approved Purchase Order#08024021#.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:860

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/860-66-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/860-68-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/860-70-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

            memory/860-71-0x0000000004AF1000-0x0000000004AF2000-memory.dmp

            memory/1208-60-0x00000000012E0000-0x00000000012E1000-memory.dmp

            memory/1208-62-0x0000000001090000-0x0000000001091000-memory.dmp

            memory/1208-63-0x00000000004A0000-0x00000000004B1000-memory.dmp

            memory/1208-64-0x0000000005700000-0x00000000057A4000-memory.dmp

            memory/1208-65-0x0000000001040000-0x0000000001083000-memory.dmp