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Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/05/2023, 10:09

General

  • Target

    INTERNETCACHE.exe

  • Size

    681KB

  • MD5

    d29f7f2967179adb21e755ef4e2fb713

  • SHA1

    cb4f893ae6c02fd6ea734661149d28f321afadf2

  • SHA256

    1ce24db77fddb5022011d0407f93d6217b84ad6e18bf9be127bd8d2808423b73

  • SHA512

    19e0c6262d14a8394aeaa5caefe84da356197fe07807bf29016ea24012f20b718e43b0cbc6ff074002e974f0533a0a9836fd73aceea229b32eafe5c52a0b7094

  • SSDEEP

    12288:CiTB2QwWASA359TWdc7qN+J8Z8OkJ744qs9dH:X5LaFWdj+6Z8OP4qs

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\INTERNETCACHE.exe
    "C:\Users\Admin\AppData\Local\Temp\INTERNETCACHE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1996-133-0x0000000000ED0000-0x0000000000F80000-memory.dmp

    Filesize

    704KB

  • memory/1996-134-0x0000000005E20000-0x00000000063C4000-memory.dmp

    Filesize

    5.6MB

  • memory/1996-135-0x0000000005910000-0x00000000059A2000-memory.dmp

    Filesize

    584KB

  • memory/1996-136-0x0000000005A50000-0x0000000005AEC000-memory.dmp

    Filesize

    624KB

  • memory/1996-137-0x00000000058F0000-0x0000000005900000-memory.dmp

    Filesize

    64KB

  • memory/1996-138-0x00000000059C0000-0x00000000059CA000-memory.dmp

    Filesize

    40KB

  • memory/1996-139-0x00000000058F0000-0x0000000005900000-memory.dmp

    Filesize

    64KB

  • memory/2248-140-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2248-142-0x00000000053A0000-0x0000000005406000-memory.dmp

    Filesize

    408KB

  • memory/2248-143-0x0000000005320000-0x0000000005330000-memory.dmp

    Filesize

    64KB

  • memory/2248-144-0x0000000006CC0000-0x0000000006D10000-memory.dmp

    Filesize

    320KB

  • memory/2248-145-0x0000000006EE0000-0x00000000070A2000-memory.dmp

    Filesize

    1.8MB

  • memory/2248-146-0x0000000005320000-0x0000000005330000-memory.dmp

    Filesize

    64KB