Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 10:53

General

  • Target

    new order 20240508.exe

  • Size

    696KB

  • MD5

    5a9cb8e1f73fa8f63048113c7e0547c4

  • SHA1

    452dbbd56ee9651ba57da6d9da1354f0b463494c

  • SHA256

    4a6d01fb1a576d75931cb4c9d9a9174878dc6ba911c5d14bd3a0aa94f505a6ea

  • SHA512

    7d44a642be1347acabc925496c16ac1611eba3393d089ec9c38245ff195226706033dfccea4e1fab730c578e5868874a606ceed37e7b9e34294b7d1c36ce2b2a

  • SSDEEP

    12288:4iETpbPvAen1dA2USYJ1Qnox57ZQpHF0Boh1+q2monD9A:Ubr1vYJ1jx566BY1+q2RBA

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe
    "C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oVsUTjTDy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oVsUTjTDy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp40F6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2552
    • C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe
      "C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe"
      2⤵
        PID:2516
      • C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe
        "C:\Users\Admin\AppData\Local\Temp\new order 20240508.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1656

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\tmp40F6.tmp

            Filesize

            1KB

            MD5

            21e43d8cc5f5576a612fb4cbd37d1288

            SHA1

            b1f1fe293be472cb6b41ee8079c53566643900e7

            SHA256

            5373dfdc9fa2f381b6f2b02764eb7860c4673274518ac1520823b73179d7d48f

            SHA512

            71bbd50a1c02162d8697d68e66caf5b1c1478d873207e7aea200338014dad0f48dbb86d432e50d492e1ad108d808d2ec4bd642f8be9da3b3cf9f1b35cf5eaf1b

          • memory/1656-26-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1656-12-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1656-14-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1656-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/1656-21-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1656-22-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1656-16-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/1656-18-0x0000000000400000-0x0000000000442000-memory.dmp

            Filesize

            264KB

          • memory/2072-5-0x0000000000530000-0x0000000000546000-memory.dmp

            Filesize

            88KB

          • memory/2072-2-0x0000000074990000-0x000000007507E000-memory.dmp

            Filesize

            6.9MB

          • memory/2072-27-0x0000000074990000-0x000000007507E000-memory.dmp

            Filesize

            6.9MB

          • memory/2072-0-0x000000007499E000-0x000000007499F000-memory.dmp

            Filesize

            4KB

          • memory/2072-6-0x0000000005410000-0x0000000005494000-memory.dmp

            Filesize

            528KB

          • memory/2072-1-0x00000000011D0000-0x0000000001284000-memory.dmp

            Filesize

            720KB

          • memory/2072-4-0x0000000000520000-0x0000000000530000-memory.dmp

            Filesize

            64KB

          • memory/2072-3-0x00000000003D0000-0x00000000003EE000-memory.dmp

            Filesize

            120KB