Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2024 10:56

General

  • Target

    COTIZACIÓN#08673.exe

  • Size

    1.3MB

  • MD5

    b6b094b48e6bb079ca0e1f42d145baff

  • SHA1

    f565ba1bf316db46ce939176ae13d94bcd2c2999

  • SHA256

    078af4066128653bbfceb25b010713cfbdec2582533040e62c03a4638ca4ca9d

  • SHA512

    64f187fe0fb71e4b7e239ff2c6fb96d11d8b52c8f85bdbc951fefb7ce064ff4bf7c0492476be6f13f83011496844b7cac1924b4796f9f1310443b3266366122f

  • SSDEEP

    24576:/8V74TIvF31QRutLW/Nye+NuiiySewAIynNyFZQvww:kZ46FoPMNTtzTnNyv

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ercolina-usa.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    uy,o#mZj8$lY

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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN#08673.exe
    "C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN#08673.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN#08673.exe
      "C:\Users\Admin\AppData\Local\Temp\COTIZACIÓN#08673.exe"
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/808-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/808-24-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/808-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/808-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/808-30-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/808-27-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/808-25-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/808-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/808-8-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/808-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/808-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/808-31-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-10-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-2-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-19-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-0-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

    Filesize

    4KB

  • memory/2704-1-0x0000000000910000-0x0000000000A64000-memory.dmp

    Filesize

    1.3MB

  • memory/2704-7-0x0000000000640000-0x0000000000646000-memory.dmp

    Filesize

    24KB

  • memory/2704-6-0x00000000005E0000-0x00000000005FA000-memory.dmp

    Filesize

    104KB

  • memory/2704-26-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-5-0x0000000073ED0000-0x00000000745BE000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-4-0x0000000073EDE000-0x0000000073EDF000-memory.dmp

    Filesize

    4KB

  • memory/2704-3-0x0000000004B10000-0x0000000004BAE000-memory.dmp

    Filesize

    632KB