Analysis

  • max time kernel
    136s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 02:15

General

  • Target

    4915a2352b93bf2e48beb6b46d5704612f7bd541c53efab3ad106f25e45e0ed2.exe

  • Size

    234KB

  • MD5

    e61c89b04a22450dfe1e5a2e40da2fa3

  • SHA1

    430819b5aec30d9ddb3e0cca7bfa8491c85ff80c

  • SHA256

    4915a2352b93bf2e48beb6b46d5704612f7bd541c53efab3ad106f25e45e0ed2

  • SHA512

    15a86c9d170644a6e29a6ac53827825b9d3e417a1c07a98a328dcfbc899dad27fa2ec2eaf21aa733ae8ff0ed784fec722d01a41a41f2e300af92d3fed2ebc01a

  • SSDEEP

    3072:o8umieCmsvD8JTcbtnoTiFvO5ND95D4Gx/Mex:o8umieCmsvD8JTcbtnoig9r/n

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.officeemailbackup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qdYo!K%U_OS?

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4915a2352b93bf2e48beb6b46d5704612f7bd541c53efab3ad106f25e45e0ed2.exe
    "C:\Users\Admin\AppData\Local\Temp\4915a2352b93bf2e48beb6b46d5704612f7bd541c53efab3ad106f25e45e0ed2.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2664-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

    Filesize

    4KB

  • memory/2664-1-0x0000000000830000-0x0000000000870000-memory.dmp

    Filesize

    256KB

  • memory/2664-2-0x0000000005860000-0x0000000005E04000-memory.dmp

    Filesize

    5.6MB

  • memory/2664-3-0x00000000053B0000-0x0000000005416000-memory.dmp

    Filesize

    408KB

  • memory/2664-4-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB

  • memory/2664-5-0x0000000006A30000-0x0000000006A80000-memory.dmp

    Filesize

    320KB

  • memory/2664-6-0x0000000006B20000-0x0000000006BBC000-memory.dmp

    Filesize

    624KB

  • memory/2664-7-0x0000000006C60000-0x0000000006CF2000-memory.dmp

    Filesize

    584KB

  • memory/2664-8-0x0000000006BE0000-0x0000000006BEA000-memory.dmp

    Filesize

    40KB

  • memory/2664-9-0x00000000746DE000-0x00000000746DF000-memory.dmp

    Filesize

    4KB

  • memory/2664-10-0x00000000746D0000-0x0000000074E80000-memory.dmp

    Filesize

    7.7MB