Analysis

  • max time kernel
    84s
  • max time network
    85s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 11:21

General

  • Target

    QUOTATIONS#08670.exe

  • Size

    1.3MB

  • MD5

    b88a9908634769557e2b6396f634c4ae

  • SHA1

    49ee7bf7463600dd8cd4b650ac0644c1a4ffb239

  • SHA256

    fa7d9ffd715033a0b922b2b65f1fa6da05bb9feafe1432a9cc0863f7f640a3f9

  • SHA512

    c7188d41e7bf479cbaf0cda3c3c2b585aff910849d4eaf40aa80362f05268bf7eaa765cd21dd266acee62c121e1597eb85828c1a5323318dff80b96810a855c8

  • SSDEEP

    12288:HCC3OpHnvQoS7uwXMox9rqKiZDhYkS07bRKu0ZATyMw57+xvoKyq5L/nqF0ECD45:H33MHn4o7wXZx9rQS0/QWzgF5Qvww

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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe"
      2⤵
        PID:2988
      • C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.exe
        "C:\Users\Admin\AppData\Local\Temp\QUOTATIONS#08670.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:2692

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2372-27-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2372-1-0x0000000000160000-0x00000000002AA000-memory.dmp

      Filesize

      1.3MB

    • memory/2372-2-0x0000000004AD0000-0x0000000004B6E000-memory.dmp

      Filesize

      632KB

    • memory/2372-3-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2372-4-0x000000007444E000-0x000000007444F000-memory.dmp

      Filesize

      4KB

    • memory/2372-5-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2372-6-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2372-7-0x0000000000930000-0x000000000094A000-memory.dmp

      Filesize

      104KB

    • memory/2372-8-0x00000000003A0000-0x00000000003A6000-memory.dmp

      Filesize

      24KB

    • memory/2372-31-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2372-0-0x000000007444E000-0x000000007444F000-memory.dmp

      Filesize

      4KB

    • memory/2692-28-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2692-30-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2692-29-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2692-32-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2692-33-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2692-36-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2692-37-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2988-15-0x0000000000070000-0x00000000000B4000-memory.dmp

      Filesize

      272KB

    • memory/2988-13-0x0000000000070000-0x00000000000B4000-memory.dmp

      Filesize

      272KB

    • memory/2988-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2988-11-0x0000000000070000-0x00000000000B4000-memory.dmp

      Filesize

      272KB

    • memory/2988-10-0x0000000000070000-0x00000000000B4000-memory.dmp

      Filesize

      272KB