Analysis

  • max time kernel
    132s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 14:15

General

  • Target

    24b0181283f32c69f89e64761c4f4cd9.exe

  • Size

    713KB

  • MD5

    24b0181283f32c69f89e64761c4f4cd9

  • SHA1

    cae8734f820537adda23e7cf891ebcd92b0e4c1c

  • SHA256

    11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6

  • SHA512

    5600df81269b5c34f639c4ffe0cc3ad3438bdffdf1168384397503bba3a378af5c136e6e0c9ddacfa32dcdec6ccbfa87a68c4fe095017e525e0843b96da9b278

  • SSDEEP

    12288:vPRbHvQ7iS/d3483xeqWVr1H4HPTjh4t76yUASFdKhu/7rtGmI6SA:v9HvLS/d3Nxe5VrxYPTuzUA6QSrtGmb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.boikgold.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    iskraines@2017

Signatures

  • AgentTesla

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

  • AgentTesla payload 5 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24b0181283f32c69f89e64761c4f4cd9.exe
    "C:\Users\Admin\AppData\Local\Temp\24b0181283f32c69f89e64761c4f4cd9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Users\Admin\AppData\Local\Temp\24b0181283f32c69f89e64761c4f4cd9.exe
      "C:\Users\Admin\AppData\Local\Temp\24b0181283f32c69f89e64761c4f4cd9.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1964-19-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/1964-2-0x0000000000A70000-0x0000000000AB0000-memory.dmp

    Filesize

    256KB

  • memory/1964-0-0x0000000000B30000-0x0000000000BE8000-memory.dmp

    Filesize

    736KB

  • memory/1964-3-0x0000000000360000-0x0000000000372000-memory.dmp

    Filesize

    72KB

  • memory/1964-4-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/1964-5-0x0000000000A70000-0x0000000000AB0000-memory.dmp

    Filesize

    256KB

  • memory/1964-7-0x0000000004B00000-0x0000000004B3E000-memory.dmp

    Filesize

    248KB

  • memory/1964-6-0x0000000004ED0000-0x0000000004F56000-memory.dmp

    Filesize

    536KB

  • memory/1964-1-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-11-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-25-0x0000000004B70000-0x0000000004BB0000-memory.dmp

    Filesize

    256KB

  • memory/2616-14-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-21-0x0000000004B70000-0x0000000004BB0000-memory.dmp

    Filesize

    256KB

  • memory/2616-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-20-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-10-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-18-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-8-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2616-23-0x0000000074870000-0x0000000074F5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-24-0x0000000004B70000-0x0000000004BB0000-memory.dmp

    Filesize

    256KB

  • memory/2616-16-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB