Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 01:02

General

  • Target

    33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe

  • Size

    820KB

  • MD5

    b6c95c57537d5207bceaae1e7882d5fb

  • SHA1

    f02a18f62460ac023c750756225ac114ae662ebb

  • SHA256

    33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d

  • SHA512

    0506d230d5c6663c02564a764e4e8598f2a90168fce30b1867c32a58a3af6f5c397731699c3c8d3cf4515aa8a5ea62ffdaf581449739745ccf98b1d1e8f92e44

  • SSDEEP

    12288:tO1dzNpvxRwPX6beqZH9NZJ70N1u1NGA/Daa4Z6DhwWXdfrZ2qKUFLIxy1GunJRu:M1dzNVxx1TLp2UFLI+Xq

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe
    "C:\Users\Admin\AppData\Local\Temp\33cc4a5b010c668a73c3029bf84770cec63de35b03d0cc3c43325d5c21ae4e4d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2608
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1796-17-0x0000000073C00000-0x00000000742EE000-memory.dmp

      Filesize

      6.9MB

    • memory/1796-1-0x0000000000DC0000-0x0000000000E94000-memory.dmp

      Filesize

      848KB

    • memory/1796-3-0x00000000002A0000-0x00000000002B2000-memory.dmp

      Filesize

      72KB

    • memory/1796-4-0x0000000000300000-0x0000000000308000-memory.dmp

      Filesize

      32KB

    • memory/1796-5-0x0000000073C00000-0x00000000742EE000-memory.dmp

      Filesize

      6.9MB

    • memory/1796-0-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

      Filesize

      4KB

    • memory/2628-16-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2628-14-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2628-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2628-6-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2628-12-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2628-9-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2628-8-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/2628-7-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB