Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 15:19

General

  • Target

    SecuriteInfo.com.Win32.CrypterX-gen.17385.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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.17385.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.17385.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4792
    • 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
      PID:4916
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 1976
        3⤵
        • Program crash
        PID:1168
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4916 -ip 4916
    1⤵
      PID:1600

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4792-7-0x0000000005EE0000-0x0000000005EE8000-memory.dmp

      Filesize

      32KB

    • memory/4792-4-0x0000000004E10000-0x0000000004E20000-memory.dmp

      Filesize

      64KB

    • memory/4792-0-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4792-3-0x0000000004C80000-0x0000000004D12000-memory.dmp

      Filesize

      584KB

    • memory/4792-9-0x0000000007990000-0x0000000007A0A000-memory.dmp

      Filesize

      488KB

    • memory/4792-5-0x0000000004E30000-0x0000000004E3A000-memory.dmp

      Filesize

      40KB

    • memory/4792-6-0x0000000004FE0000-0x0000000004FFA000-memory.dmp

      Filesize

      104KB

    • memory/4792-10-0x000000000A050000-0x000000000A0EC000-memory.dmp

      Filesize

      624KB

    • memory/4792-2-0x0000000005230000-0x00000000057D4000-memory.dmp

      Filesize

      5.6MB

    • memory/4792-1-0x0000000000200000-0x00000000002C8000-memory.dmp

      Filesize

      800KB

    • memory/4792-8-0x0000000005F00000-0x0000000005F0A000-memory.dmp

      Filesize

      40KB

    • memory/4792-14-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-13-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4916-15-0x0000000005170000-0x0000000005180000-memory.dmp

      Filesize

      64KB

    • memory/4916-16-0x0000000005100000-0x0000000005166000-memory.dmp

      Filesize

      408KB

    • memory/4916-17-0x0000000074660000-0x0000000074E10000-memory.dmp

      Filesize

      7.7MB