Analysis

  • max time kernel
    135s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/05/2024, 09:21

General

  • Target
    transferencia_97564432567897895645645678697564542356475869076543256789.exe
  • Size 696KB
  • Sample240503-lbbqaade35
  • SHA256 1d2489091a940784cf67661f2f4db40febdfd98e0d9b38e5de4ac98485666d4e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.fosna.net

  • Port

    21

  • Password

    =A+N^@~c]~#I

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.fosna.net

  • Port

    21

  • Password

    =A+N^@~c]~#I

Signatures

  • AgentTesla

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

  • 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\transferencia_97564432567897895645645678697564542356475869076543256789.exe
    "C:\Users\Admin\AppData\Local\Temp\transferencia_97564432567897895645645678697564542356475869076543256789.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4764

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4764-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

        memory/4764-1-0x0000000000E30000-0x0000000000EE2000-memory.dmp

        memory/4764-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

        memory/4764-3-0x0000000005900000-0x0000000005992000-memory.dmp

        memory/4764-4-0x00000000058D0000-0x00000000058DA000-memory.dmp

        memory/4764-5-0x0000000074E50000-0x0000000075600000-memory.dmp

        memory/4764-6-0x0000000005B90000-0x0000000005C2C000-memory.dmp

        memory/4764-7-0x0000000005B80000-0x0000000005B96000-memory.dmp

        memory/4764-8-0x0000000005C50000-0x0000000005C66000-memory.dmp

        memory/4764-9-0x0000000007040000-0x00000000070C4000-memory.dmp

        memory/4764-10-0x00000000052E0000-0x0000000005322000-memory.dmp

        memory/4764-11-0x00000000070C0000-0x0000000007126000-memory.dmp

        memory/4764-12-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

        memory/4764-13-0x0000000007EE0000-0x0000000007F30000-memory.dmp

        memory/4764-14-0x0000000074E50000-0x0000000075600000-memory.dmp