Analysis

  • max time kernel
    140s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    08/04/2021, 08:56

General

  • Target
    Bank Details.exe
  • Size 841KB
  • Sample210408-731bs8c4a6
  • SHA256 9e06dbc31da0f0538f26c66ccb165bab4ae9107794e62b0f9047e50866e2d183
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot1696339592:AAGbaDjD3IHi9kBkuqadzmBZMoM8jpnGAUI/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Details.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IvoDRYveFKhjT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB367.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1596
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:1460
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:636

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/636-68-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/636-70-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/636-72-0x0000000004C40000-0x0000000004C41000-memory.dmp

          memory/1680-59-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

          memory/1680-61-0x00000000049A0000-0x00000000049A1000-memory.dmp

          memory/1680-62-0x0000000005980000-0x0000000005A37000-memory.dmp

          memory/1680-63-0x0000000000A90000-0x0000000000A95000-memory.dmp

          memory/1680-64-0x0000000007CF0000-0x0000000007D98000-memory.dmp

          memory/1680-65-0x00000000004E0000-0x000000000054E000-memory.dmp