Analysis

  • max time kernel
    100s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    22-01-2021 10:13

General

  • Target

    SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe

  • Size

    31KB

  • MD5

    45a72653fb1d34a564f611c1f3594c02

  • SHA1

    0c3699cf3a892cd4a9057b24a0b5e5083b55923f

  • SHA256

    734bd3a51497f8faf4a48e596768e68cbede73e21c5dfcc1c8b8da9b02a4c4c2

  • SHA512

    d15357a51b33f72dfb700d9009f6a71699ef8c19841c1f5fb9b200330569941a35cea90644dae72e4768d3eef8799e8d3ea7e96d87909881ce33b4e5e16fde78

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    frostdell.uk
  • Port:
    587
  • Username:
    alexlogs@frostdell.uk
  • Password:
    7213575aceACE@#$

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 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.

  • 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2820
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe"
      2⤵
        PID:3732
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe"
        2⤵
          PID:4068
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe"
          2⤵
            PID:2268
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe
            "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BehavesLike.Win32.Generic.nm.589.exe"
            2⤵
              PID:2640

          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/652-2-0x0000000073DC0000-0x00000000744AE000-memory.dmp
            Filesize

            6.9MB

          • memory/652-3-0x0000000000530000-0x0000000000531000-memory.dmp
            Filesize

            4KB

          • memory/652-5-0x00000000051A0000-0x00000000051A1000-memory.dmp
            Filesize

            4KB

          • memory/652-6-0x0000000004D50000-0x0000000004D51000-memory.dmp
            Filesize

            4KB

          • memory/652-7-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
            Filesize

            4KB

          • memory/652-8-0x0000000004D30000-0x0000000004D31000-memory.dmp
            Filesize

            4KB

          • memory/652-9-0x0000000004FA0000-0x0000000004FA1000-memory.dmp
            Filesize

            4KB

          • memory/652-10-0x0000000005E60000-0x0000000005EBC000-memory.dmp
            Filesize

            368KB

          • memory/652-31-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
            Filesize

            4KB

          • memory/2268-27-0x000000000043764E-mapping.dmp
          • memory/2640-33-0x000000000043764E-mapping.dmp
          • memory/2820-15-0x0000000073DC0000-0x00000000744AE000-memory.dmp
            Filesize

            6.9MB

          • memory/2820-12-0x000000000043764E-mapping.dmp
          • memory/2820-11-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2820-35-0x0000000002DF0000-0x0000000002DF1000-memory.dmp
            Filesize

            4KB

          • memory/2820-37-0x00000000055F0000-0x00000000055F1000-memory.dmp
            Filesize

            4KB

          • memory/2820-38-0x0000000006160000-0x0000000006161000-memory.dmp
            Filesize

            4KB

          • memory/3732-14-0x000000000043764E-mapping.dmp
          • memory/3732-16-0x0000000073DC0000-0x00000000744AE000-memory.dmp
            Filesize

            6.9MB

          • memory/3732-36-0x0000000004E10000-0x0000000004E11000-memory.dmp
            Filesize

            4KB

          • memory/4068-18-0x000000000043764E-mapping.dmp
          • memory/4068-22-0x0000000073DC0000-0x00000000744AE000-memory.dmp
            Filesize

            6.9MB