Analysis

  • max time kernel
    125s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 23:51

General

  • Target

    PO#2207020.exe

  • Size

    476KB

  • MD5

    ce5c25d462cbef99251c3a8984f9fbdc

  • SHA1

    0bf44e4fb8764de6480d5a18c98c668d55da00f9

  • SHA256

    018655556fe0544b51a8c4ed1a6a4e3845a6acfe8635fb4b7f304d6f4f845d8b

  • SHA512

    47c15c543654dc493bc2fbc4a2752ab071b50282689e8f4135fcfbb72e48848c190300f5473c63c7c13bd87a3957a5c746fad48dacfaaf49a96ba1823854a742

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aylaalgan.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    20162016

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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 WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JDIsEUpyS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD72.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1328
    • C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe
      "{path}"
      2⤵
        PID:936
      • C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe
        "{path}"
        2⤵
          PID:1620
        • C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe
          "{path}"
          2⤵
            PID:1612
          • C:\Users\Admin\AppData\Local\Temp\PO#2207020.exe
            "{path}"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1736

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpFD72.tmp
          Filesize

          1KB

          MD5

          6ed63a98825c7d9b18abbf4b2120fe6d

          SHA1

          4012a42c3a6af502c892ee2b70aa4e74bf31424e

          SHA256

          360deee8ce8a5c90e6a1b7705416e4f95fd745903b679ae81bcb03f7eda4b017

          SHA512

          fa6fba8ad8449a23e15e4f1cea080e7ddb67acbcb6ee0616824a4f262a815dc66166224a791a3cc2ebb6b3e3585b9777f66a1616ec34648fb9bf0b1833cb8fe1

        • memory/1328-58-0x0000000000000000-mapping.dmp
        • memory/1732-54-0x0000000000250000-0x00000000002CE000-memory.dmp
          Filesize

          504KB

        • memory/1732-55-0x0000000000380000-0x0000000000388000-memory.dmp
          Filesize

          32KB

        • memory/1732-56-0x0000000004720000-0x0000000004774000-memory.dmp
          Filesize

          336KB

        • memory/1732-57-0x00000000754A1000-0x00000000754A3000-memory.dmp
          Filesize

          8KB

        • memory/1736-60-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1736-61-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1736-63-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1736-64-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1736-65-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1736-66-0x00000000004470CE-mapping.dmp
        • memory/1736-70-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB

        • memory/1736-68-0x0000000000400000-0x000000000044C000-memory.dmp
          Filesize

          304KB