Analysis

  • max time kernel
    107s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    21-01-2021 16:16

General

  • Target

    SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe

  • Size

    57KB

  • MD5

    b95249a3ceacb06a049d3f211479fc7e

  • SHA1

    5de29c60c381140276e5e96b473018a73bdd53eb

  • SHA256

    bd600300188d8cb735f9e4afcc580398a2842126c9a5e884259fd2d46ac103af

  • SHA512

    3591c84202c405366e4fb38befabfe14fa3324745e32d1cc254c803e4e9a4bb7871afba6ee4649a2f33f97186640acbab2e75da4be9440d52711e416eac9bf47

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 11 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 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:796
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe"
      2⤵
        PID:1088
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe"
        2⤵
          PID:396
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe"
          2⤵
            PID:1492
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe
            "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.qm.14744.exe"
            2⤵
              PID:1192

          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/396-15-0x000000000043769E-mapping.dmp
          • memory/396-29-0x00000000048D0000-0x00000000048D1000-memory.dmp
            Filesize

            4KB

          • memory/396-16-0x00000000741A0000-0x000000007488E000-memory.dmp
            Filesize

            6.9MB

          • memory/796-8-0x000000000043769E-mapping.dmp
          • memory/796-7-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/796-31-0x0000000004A61000-0x0000000004A62000-memory.dmp
            Filesize

            4KB

          • memory/796-10-0x00000000741A0000-0x000000007488E000-memory.dmp
            Filesize

            6.9MB

          • memory/796-12-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/796-28-0x0000000004A60000-0x0000000004A61000-memory.dmp
            Filesize

            4KB

          • memory/1088-11-0x000000000043769E-mapping.dmp
          • memory/1192-22-0x00000000741A0000-0x000000007488E000-memory.dmp
            Filesize

            6.9MB

          • memory/1192-21-0x000000000043769E-mapping.dmp
          • memory/1492-20-0x00000000741A0000-0x000000007488E000-memory.dmp
            Filesize

            6.9MB

          • memory/1492-18-0x000000000043769E-mapping.dmp
          • memory/1492-30-0x00000000040C0000-0x00000000040C1000-memory.dmp
            Filesize

            4KB

          • memory/1740-5-0x0000000004CB0000-0x0000000004CB1000-memory.dmp
            Filesize

            4KB

          • memory/1740-27-0x00000000003D0000-0x00000000003D1000-memory.dmp
            Filesize

            4KB

          • memory/1740-3-0x0000000000920000-0x0000000000921000-memory.dmp
            Filesize

            4KB

          • memory/1740-6-0x0000000004EB0000-0x0000000004F0C000-memory.dmp
            Filesize

            368KB

          • memory/1740-2-0x00000000741A0000-0x000000007488E000-memory.dmp
            Filesize

            6.9MB