Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 18:27

General

  • Target

    PURCHASE ORDERPO2RU2024.pdf.exe

  • Size

    655KB

  • MD5

    0218ec5f4de9dc0121ed37aa6fa29955

  • SHA1

    f27dd6706c8ff4fee9f44014c678a39051a07b7f

  • SHA256

    63dc3769ba6c3bfb7c98266782f767689ec924d22c83d707f46a2166899463fa

  • SHA512

    8e2399fd27d811ea093bd63a8adee2099d4f32d2235804304405dedfcd32c5042388de0cbd1d7e3c19bc9ca547634293a5ba59b0bafbed4218b362ac4f00deb3

  • SSDEEP

    12288:Ucjmzi8LkpEav2CIqkV3cPSzbKohtG6dyh7tl5sitFQsIlFPlC37tMnpkaqJ:tS2jEr1VV3cP8bKgG6IZl5BFIlFPc3p7

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.

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

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDERPO2RU2024.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2616-20-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-1-0x0000000000A00000-0x0000000000AAA000-memory.dmp

    Filesize

    680KB

  • memory/2616-2-0x0000000074950000-0x000000007503E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-3-0x00000000009B0000-0x00000000009CA000-memory.dmp

    Filesize

    104KB

  • memory/2616-4-0x0000000000410000-0x0000000000420000-memory.dmp

    Filesize

    64KB

  • memory/2616-5-0x00000000050C0000-0x0000000005142000-memory.dmp

    Filesize

    520KB

  • memory/2616-0-0x000000007495E000-0x000000007495F000-memory.dmp

    Filesize

    4KB

  • memory/2840-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2840-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2840-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2840-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2840-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2840-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2840-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2840-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB