Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/01/2024, 11:06

General

  • Target
    Order list_02-2024 pdf.exe
  • Size 694KB
  • Sample240131-m7fjsaagb2
  • SHA256 654f5bbab8f033ee0145ab0061a66d7e1913bcb73d2d48cbf73f3c22d40f2f9d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LKJRFEGnWnPu.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LKJRFEGnWnPu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp950F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2880
    • C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Order list_02-2024 pdf.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp950F.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp950F.tmp
        • Size 1KB
        • SHA256 1fb796e19c5c6d619e0e940e68264e4e0673e605457db09d8b4d8d8c1d28c4b6
        • MD5 SHA1 SHA512

        memory/2160-23-0x0000000074D50000-0x000000007543E000-memory.dmp

        memory/2160-2-0x0000000004DF0000-0x0000000004E30000-memory.dmp

        memory/2160-3-0x0000000000230000-0x000000000024C000-memory.dmp

        memory/2160-4-0x0000000000250000-0x0000000000264000-memory.dmp

        memory/2160-5-0x0000000005D00000-0x0000000005D84000-memory.dmp

        memory/2160-1-0x0000000074D50000-0x000000007543E000-memory.dmp

        memory/2160-0-0x00000000012F0000-0x00000000013A2000-memory.dmp

        memory/2584-19-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2584-11-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2584-21-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2584-13-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2584-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2584-15-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2584-24-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2584-12-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2584-25-0x00000000738B0000-0x0000000073F9E000-memory.dmp

        memory/2584-28-0x0000000004B60000-0x0000000004BA0000-memory.dmp

        memory/2584-34-0x00000000738B0000-0x0000000073F9E000-memory.dmp

        memory/2832-30-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

        memory/2832-31-0x0000000002100000-0x0000000002140000-memory.dmp

        memory/2832-32-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

        memory/2832-29-0x000000006F6A0000-0x000000006FC4B000-memory.dmp