Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 10:54

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 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 use of WriteProcessMemory
    PID:1576
    • 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:2704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oVsUTjTDy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4663.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2596
    • 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:2780

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp4663.tmp

          Filesize

          1KB

          MD5

          e18c8d3d8ccb45a81706fbeaaf6aaadc

          SHA1

          8e4dbe1c0996ac418a29cc07afa77d1d0754e4d5

          SHA256

          73618bd0f3f9088ab60d58bed3f97fda7e1d6d8aecaf117f5293cee0f084efec

          SHA512

          eba9b5ed90b6742292b76141d49bf1eecd39b0d9ee6cadbadd162bb958b39bb8bad520372f37b6d6bf7bd5f5ff19476e58b442be961c8cf45e9094c2d688eb1e

        • memory/1576-26-0x0000000074850000-0x0000000074F3E000-memory.dmp

          Filesize

          6.9MB

        • memory/1576-1-0x0000000000D00000-0x0000000000DB4000-memory.dmp

          Filesize

          720KB

        • memory/1576-2-0x0000000074850000-0x0000000074F3E000-memory.dmp

          Filesize

          6.9MB

        • memory/1576-3-0x0000000000520000-0x000000000053E000-memory.dmp

          Filesize

          120KB

        • memory/1576-4-0x0000000000650000-0x0000000000660000-memory.dmp

          Filesize

          64KB

        • memory/1576-5-0x0000000000660000-0x0000000000676000-memory.dmp

          Filesize

          88KB

        • memory/1576-6-0x0000000005110000-0x0000000005194000-memory.dmp

          Filesize

          528KB

        • memory/1576-0-0x000000007485E000-0x000000007485F000-memory.dmp

          Filesize

          4KB

        • memory/2780-14-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2780-24-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2780-23-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2780-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2780-20-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2780-18-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2780-16-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2780-25-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB