Analysis

  • max time kernel
    94s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-01-2021 10:13

General

  • Target

    SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe

  • Size

    25KB

  • MD5

    8f067e5d8c2bfb6d64f3b747566e5790

  • SHA1

    967ac2725a7be422b5b1349c971dd792c877ff47

  • SHA256

    7d7924e92e2e23345b47169e428d4bc85cd5140e733e90512d28cef9e7d0c38a

  • SHA512

    480cef0f3e98f8d93df1cb4cc8c1f10d9d35c6591012a1286c5fc9a244f7f7cd99bdab6f328bd33d02640480d8f769a27657b37039b4df62d82064ddad195785

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    superstars@sardaplywood.com
  • Password:
    sup123st45

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 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.

  • 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 NtSetInformationThreadHideFromDebugger 12 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:588
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2636
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe"
      2⤵
        PID:984
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe"
        2⤵
          PID:816
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe"
          2⤵
            PID:188
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe
            "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.mh.5906.exe"
            2⤵
              PID:3464

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Credential Access

          Credentials in Files

          3
          T1081

          Collection

          Data from Local System

          3
          T1005

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/188-28-0x0000000073310000-0x00000000739FE000-memory.dmp
            Filesize

            6.9MB

          • memory/188-25-0x000000000043768E-mapping.dmp
          • memory/588-6-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
            Filesize

            4KB

          • memory/588-7-0x0000000004C70000-0x0000000004C71000-memory.dmp
            Filesize

            4KB

          • memory/588-8-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
            Filesize

            4KB

          • memory/588-9-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
            Filesize

            4KB

          • memory/588-10-0x0000000005D80000-0x0000000005DDC000-memory.dmp
            Filesize

            368KB

          • memory/588-5-0x0000000005100000-0x0000000005101000-memory.dmp
            Filesize

            4KB

          • memory/588-3-0x0000000000470000-0x0000000000471000-memory.dmp
            Filesize

            4KB

          • memory/588-18-0x00000000050B0000-0x00000000050B1000-memory.dmp
            Filesize

            4KB

          • memory/588-2-0x0000000073310000-0x00000000739FE000-memory.dmp
            Filesize

            6.9MB

          • memory/816-19-0x000000000043768E-mapping.dmp
          • memory/816-22-0x0000000073310000-0x00000000739FE000-memory.dmp
            Filesize

            6.9MB

          • memory/984-15-0x000000000043768E-mapping.dmp
          • memory/984-16-0x0000000073310000-0x00000000739FE000-memory.dmp
            Filesize

            6.9MB

          • memory/984-35-0x0000000005160000-0x0000000005161000-memory.dmp
            Filesize

            4KB

          • memory/2636-14-0x0000000073310000-0x00000000739FE000-memory.dmp
            Filesize

            6.9MB

          • memory/2636-12-0x000000000043768E-mapping.dmp
          • memory/2636-11-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2636-34-0x0000000005790000-0x0000000005791000-memory.dmp
            Filesize

            4KB

          • memory/2636-36-0x0000000005820000-0x0000000005821000-memory.dmp
            Filesize

            4KB

          • memory/2636-37-0x00000000063A0000-0x00000000063A1000-memory.dmp
            Filesize

            4KB

          • memory/2636-40-0x0000000005791000-0x0000000005792000-memory.dmp
            Filesize

            4KB

          • memory/3464-32-0x000000000043768E-mapping.dmp