Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 16:10

General

  • Target

    38b54504db439c0030ef442f4f623ff014756f820480c09857bf780c3a195d58.exe

  • Size

    712KB

  • MD5

    300b176543b1fbfb632bac88c8dffe2f

  • SHA1

    30d4cd685653b4a9020fd9f2da25e5ebe2e16298

  • SHA256

    38b54504db439c0030ef442f4f623ff014756f820480c09857bf780c3a195d58

  • SHA512

    2b8c83aed74e8ee0066866281ea12cdb24b289201a2c4f18ce053d0251584117472983cd8dc93a77a4f6e1240cc5710302ea52a471bfe66d17c8559eb1bee0a7

  • SSDEEP

    12288:Xt/RqdCy/VLW1t0/z/XoGl0dAPGuN4qvWZquDKPA3ard6emiLwacN2iksPz/:9kdC63byA+uN4qvTuDMCaMemiLnez

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.brianberrills-ie.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    k)(yecz3

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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38b54504db439c0030ef442f4f623ff014756f820480c09857bf780c3a195d58.exe
    "C:\Users\Admin\AppData\Local\Temp\38b54504db439c0030ef442f4f623ff014756f820480c09857bf780c3a195d58.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4628-0-0x00007FF93ADA3000-0x00007FF93ADA5000-memory.dmp

    Filesize

    8KB

  • memory/4628-1-0x0000000000B90000-0x0000000000C46000-memory.dmp

    Filesize

    728KB

  • memory/4628-2-0x00007FF93ADA0000-0x00007FF93B861000-memory.dmp

    Filesize

    10.8MB

  • memory/4628-3-0x0000000001F80000-0x0000000001FA4000-memory.dmp

    Filesize

    144KB

  • memory/4628-4-0x0000000001FA0000-0x0000000001FB6000-memory.dmp

    Filesize

    88KB

  • memory/4628-5-0x0000000001700000-0x0000000001714000-memory.dmp

    Filesize

    80KB

  • memory/4628-6-0x000000001D9C0000-0x000000001DA40000-memory.dmp

    Filesize

    512KB

  • memory/4628-7-0x000000001E240000-0x000000001E280000-memory.dmp

    Filesize

    256KB

  • memory/4628-8-0x0000000020C10000-0x0000000020C60000-memory.dmp

    Filesize

    320KB

  • memory/4628-9-0x00007FF93ADA3000-0x00007FF93ADA5000-memory.dmp

    Filesize

    8KB

  • memory/4628-10-0x00007FF93ADA0000-0x00007FF93B861000-memory.dmp

    Filesize

    10.8MB