Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 14:32

General

  • Target

    Scan_20231201_085902_pdf .exe

  • Size

    280KB

  • MD5

    9e60f887ca21af01d0c370a94d4e73d3

  • SHA1

    fadc53d73ba72988eeec272d0076ad6dcdd0c680

  • SHA256

    dbb832a8e39eadb4dff92c86785f16fc52682f8acfe0a831a4ce8b6a958e93ea

  • SHA512

    9be22718a4810b4e5a8b01f098b241a84824ac5cb31bf28558e581e788759cad94ff20289acf60b84ee49fa0c8b5afcf4559795e1e84cb19c38b2a60d12b3612

  • SSDEEP

    3072:oQ53wnXOm8tSA4M/msYWkVHF6++4mNMa9W6dfukJL4G5e911rIV3tQZ+vXoxltnV:oQ53COs5W3cG5eRUVRvyepzo

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mailbuilderbuilder.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Alluminio.1

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
    "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe
      "C:\Users\Admin\AppData\Local\Temp\Scan_20231201_085902_pdf .exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Scan_20231201_085902_pdf .exe.log

    Filesize

    1KB

    MD5

    c3941d9fa38f1717d5cecd7a2ca71667

    SHA1

    33b5362675383b58b4166ed9f9a61e5aa6768d2e

    SHA256

    f1ed6ff1cd3df219061e32df1c75d6f48de6484cf50e5ea7d86cd8bcfcb93256

    SHA512

    98f103ef97d32bf8c0566a6f6da5cf8d58d18f698c1b3e5bd0be0ea8462f5fe54c2e5e6b5188f2b7d8f70082ffd6745b1f7f6cab95af474e2b7eaed50a9d9c45

  • memory/1536-16-0x0000000005970000-0x00000000059D6000-memory.dmp

    Filesize

    408KB

  • memory/1536-15-0x00000000057C0000-0x00000000057D0000-memory.dmp

    Filesize

    64KB

  • memory/1536-22-0x00000000057C0000-0x00000000057D0000-memory.dmp

    Filesize

    64KB

  • memory/1536-14-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1536-21-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1536-20-0x0000000007050000-0x000000000705A000-memory.dmp

    Filesize

    40KB

  • memory/1536-19-0x00000000070B0000-0x0000000007142000-memory.dmp

    Filesize

    584KB

  • memory/1536-18-0x0000000006F70000-0x000000000700C000-memory.dmp

    Filesize

    624KB

  • memory/1536-17-0x0000000006E80000-0x0000000006ED0000-memory.dmp

    Filesize

    320KB

  • memory/1536-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1764-7-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1764-5-0x0000000006340000-0x0000000006380000-memory.dmp

    Filesize

    256KB

  • memory/1764-4-0x0000000006300000-0x0000000006340000-memory.dmp

    Filesize

    256KB

  • memory/1764-3-0x0000000006230000-0x0000000006288000-memory.dmp

    Filesize

    352KB

  • memory/1764-0-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1764-9-0x00000000069B0000-0x0000000006F54000-memory.dmp

    Filesize

    5.6MB

  • memory/1764-8-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

    Filesize

    64KB

  • memory/1764-2-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

    Filesize

    64KB

  • memory/1764-6-0x0000000006380000-0x00000000063CC000-memory.dmp

    Filesize

    304KB

  • memory/1764-13-0x0000000074710000-0x0000000074EC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1764-1-0x0000000000FB0000-0x0000000000FFC000-memory.dmp

    Filesize

    304KB