Analysis

  • max time kernel
    128s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2024 01:29

General

  • Target

    vessel details_pdf.exe

  • Size

    653KB

  • MD5

    296a91d852273bd8f8ea784f814e8e54

  • SHA1

    47a5391f798e645c075a074a7cddfab468e449d5

  • SHA256

    bdf6c1caee139afdf9122554e47a2b1f56dd5598447dced5cf81cafac1dfb7a0

  • SHA512

    0b801c4a4abdff47d84138600eb9db78d68591a12332e2abf00fe0da3b53e51c415a157aae9934bce63ff6ad1c6e7bb8adebcb1bfa12b91f40ec374ce53bd1a6

  • SSDEEP

    12288:W1Bo7KvAGZ2/IwuiwQ6CTCPuNCgHt1WH/ctA9upSNtira7Xs:W/o703ZQ5pGPuMgCH/9upTrag

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

Signatures

  • AgentTesla

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

  • Agenttesla family
  • 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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\vessel details_pdf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1484-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1484-19-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-18-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-17-0x0000000006950000-0x00000000069A0000-memory.dmp

    Filesize

    320KB

  • memory/1484-16-0x00000000051C0000-0x0000000005226000-memory.dmp

    Filesize

    408KB

  • memory/1484-15-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1484-13-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-5-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-8-0x0000000005850000-0x0000000005862000-memory.dmp

    Filesize

    72KB

  • memory/4104-9-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-10-0x0000000007FA0000-0x0000000008026000-memory.dmp

    Filesize

    536KB

  • memory/4104-7-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

    Filesize

    4KB

  • memory/4104-6-0x0000000005730000-0x00000000057CC000-memory.dmp

    Filesize

    624KB

  • memory/4104-14-0x0000000074EF0000-0x00000000756A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4104-4-0x0000000005530000-0x000000000553A000-memory.dmp

    Filesize

    40KB

  • memory/4104-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmp

    Filesize

    4KB

  • memory/4104-3-0x0000000005470000-0x0000000005502000-memory.dmp

    Filesize

    584KB

  • memory/4104-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

    Filesize

    5.6MB

  • memory/4104-1-0x0000000000A40000-0x0000000000AEA000-memory.dmp

    Filesize

    680KB