Analysis

  • max time kernel
    122s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    26/05/2021, 07:39

General

  • Target
    Swift_HSBC_009908764585999583999022245790.PDF.exe
  • Size 989KB
  • Sample210526-c6mkdklppa
  • SHA256 6a57e5e34bc06bfbc5a2b1d399af5c66e195fbb32a20e4bff0981909cb52c7d7
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot1787526678:AAHFZ2h8OggnnDxoQ90Ha6rf1BFJvq0p0YA/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift_HSBC_009908764585999583999022245790.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift_HSBC_009908764585999583999022245790.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Users\Admin\AppData\Local\Temp\Swift_HSBC_009908764585999583999022245790.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift_HSBC_009908764585999583999022245790.PDF.exe"
      2⤵
        PID:748
      • C:\Users\Admin\AppData\Local\Temp\Swift_HSBC_009908764585999583999022245790.PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\Swift_HSBC_009908764585999583999022245790.PDF.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1232
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
          dw20.exe -x -s 516
          3⤵
            PID:1464

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/1052-59-0x0000000074F31000-0x0000000074F33000-memory.dmp

            memory/1052-60-0x0000000002250000-0x0000000002251000-memory.dmp

            memory/1052-64-0x0000000002251000-0x0000000002252000-memory.dmp

            memory/1232-61-0x0000000000400000-0x000000000043C000-memory.dmp

            memory/1232-65-0x0000000002250000-0x0000000002251000-memory.dmp

            memory/1464-68-0x00000000007A0000-0x00000000007A1000-memory.dmp