Analysis

  • max time kernel
    140s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2023 01:04

General

  • Target

    4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe

  • Size

    623KB

  • MD5

    cbcf4a372d624b07922ff281d203304b

  • SHA1

    2f888eb429648b17a15c9e614ffb3d4459921b57

  • SHA256

    4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59

  • SHA512

    0dcdcb543c19db9c12f220ac8fc13887015db22b8264cf6dc2fb4633b967b4eba900bf7f77d16cda78c5ca5d93febade9ba2ca38262b47d50499ded98eadbc0b

  • SSDEEP

    12288:DjGaOpk+txzRgl0J3VaaYQdkwfO0xaD3UBUujknb9GTkkkkkkkkkkkkkkkkkkkkd:ZOpH3i23VbYQdkwfO0xaD3UBUujknwAs

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.mgcpakistan.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    boygirl123456

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe
    "C:\Users\Admin\AppData\Local\Temp\4c8682b1c5fb75017cdcc14ebd946e2553dbd50bdbcc402ee15e0700d9774e59.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1168-54-0x0000000000E60000-0x0000000000F02000-memory.dmp
    Filesize

    648KB

  • memory/2024-55-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2024-56-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2024-58-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2024-59-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2024-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2024-61-0x00000000004374CE-mapping.dmp
  • memory/2024-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2024-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2024-66-0x0000000075881000-0x0000000075883000-memory.dmp
    Filesize

    8KB