Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 15:18

General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.17385.20144.exe

  • Size

    776KB

  • MD5

    a764e65cdd09df4df3168ebbe6a5bcd7

  • SHA1

    47cb387c38f5c3bf3ea6eccf0afffaa02aa2788c

  • SHA256

    de1f13055e11a5175a5401b2f765228a9e61e196cbc60c1417906bfe9f4ce688

  • SHA512

    4aaa8ea703e70729944a4831d7b3278284e04d4558b7c2015beb44f97a46508a6fb6ea07e01396e6ab1604ef57d603aae3ac351e851df0e7e7998cf593c25d33

  • SSDEEP

    12288:MG1XhkZ5EG92iQsbb0nkuwuSctiIf2Fi8Rp3yLMkM7ojSDWPz/8CS/ETuGq:MgK/JjQs30nVwjAiIf+3yLNM75gIFy

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.17385.20144.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.17385.20144.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2640
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2644

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2644-17-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2644-26-0x0000000004B40000-0x0000000004B80000-memory.dmp
      Filesize

      256KB

    • memory/2644-25-0x00000000740E0000-0x00000000747CE000-memory.dmp
      Filesize

      6.9MB

    • memory/2644-22-0x00000000740E0000-0x00000000747CE000-memory.dmp
      Filesize

      6.9MB

    • memory/2644-23-0x0000000004B40000-0x0000000004B80000-memory.dmp
      Filesize

      256KB

    • memory/2644-21-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2644-19-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2644-7-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2644-9-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2644-13-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2644-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2644-11-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2876-5-0x00000000008C0000-0x00000000008CA000-memory.dmp
      Filesize

      40KB

    • memory/2876-6-0x0000000005C40000-0x0000000005CBA000-memory.dmp
      Filesize

      488KB

    • memory/2876-0-0x0000000000B40000-0x0000000000C08000-memory.dmp
      Filesize

      800KB

    • memory/2876-24-0x00000000740E0000-0x00000000747CE000-memory.dmp
      Filesize

      6.9MB

    • memory/2876-4-0x00000000008B0000-0x00000000008B8000-memory.dmp
      Filesize

      32KB

    • memory/2876-3-0x0000000000890000-0x00000000008AA000-memory.dmp
      Filesize

      104KB

    • memory/2876-2-0x0000000004CF0000-0x0000000004D30000-memory.dmp
      Filesize

      256KB

    • memory/2876-1-0x00000000740E0000-0x00000000747CE000-memory.dmp
      Filesize

      6.9MB