Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2024, 02:15

General

  • Target
    1C24TNN_00000014.exe
  • Size 448KB
  • Sample240322-cpxegafb44
  • SHA256 9153a8b3b10c014b57d836be98255e8747f3ee4d933c8ed1980cde09d5dec0e9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot7065574915:AAGqdyBoQ1HUjGuLPU7BdeGxB07q15OCF18/

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • PureLog Stealer

    PureLog Stealer is an infostealer written in C#.

  • PureLog Stealer payload 1 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:4488
      • C:\Users\Admin\AppData\Local\Temp\1C24TNN_00000014.exe
        "C:\Users\Admin\AppData\Local\Temp\1C24TNN_00000014.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3872
    • C:\Users\Admin\AppData\Local\Temp\1C24TNN_00000014.exe
      "C:\Users\Admin\AppData\Local\Temp\1C24TNN_00000014.exe"
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4440

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          1C24TNN_00000014.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1C24TNN_00000014.exe.log
          • Size 1KB
          • SHA256 e7b428a7c318c79203ba4c05a6374f9f287d8d407a478ab28eeb9385f582aec8
          • MD5 SHA1 SHA512

          memory/3872-4880-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/3872-4882-0x0000000075000000-0x00000000757B0000-memory.dmp

          memory/3872-4883-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

          memory/3872-4884-0x0000000005000000-0x0000000005066000-memory.dmp

          memory/3872-4889-0x0000000004FD0000-0x0000000004FE0000-memory.dmp

          memory/3872-4888-0x0000000075000000-0x00000000757B0000-memory.dmp

          memory/3872-4887-0x0000000006660000-0x000000000666A000-memory.dmp

          memory/3872-4886-0x0000000005DA0000-0x0000000005E3C000-memory.dmp

          memory/3872-4885-0x0000000005CB0000-0x0000000005D00000-memory.dmp

          memory/4440-38-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-48-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-7-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-8-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-10-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-12-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-14-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-16-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-18-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-20-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-22-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-24-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-26-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-28-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-30-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-32-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-34-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-36-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-5-0x00000000066A0000-0x0000000006C44000-memory.dmp

          memory/4440-40-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-42-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-44-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-46-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-6-0x00000000061D0000-0x0000000006262000-memory.dmp

          memory/4440-50-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-52-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-54-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-56-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-58-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-60-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-62-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-64-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-66-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-68-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-70-0x0000000005EC0000-0x00000000060E8000-memory.dmp

          memory/4440-1526-0x0000000075000000-0x00000000757B0000-memory.dmp

          memory/4440-1756-0x00000000054B0000-0x00000000054C0000-memory.dmp

          memory/4440-4869-0x0000000000E00000-0x0000000000E01000-memory.dmp

          memory/4440-4870-0x00000000010F0000-0x000000000115C000-memory.dmp

          memory/4440-4-0x0000000005EC0000-0x00000000060EE000-memory.dmp

          memory/4440-3-0x0000000001360000-0x0000000001366000-memory.dmp

          memory/4440-2-0x00000000054B0000-0x00000000054C0000-memory.dmp

          memory/4440-1-0x0000000075000000-0x00000000757B0000-memory.dmp

          memory/4440-0-0x00000000008E0000-0x0000000000956000-memory.dmp

          memory/4440-4871-0x00000000013F0000-0x000000000143C000-memory.dmp

          memory/4440-4872-0x0000000001450000-0x00000000014A4000-memory.dmp

          memory/4440-4881-0x0000000075000000-0x00000000757B0000-memory.dmp