Analysis

  • max time kernel
    103s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 01:38

General

  • Target

    57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f.exe

  • Size

    413KB

  • MD5

    fe26548a59a135b06e0701f666fdebb4

  • SHA1

    525fdab3178b27769d3ee170465fe40a02fbd42e

  • SHA256

    57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f

  • SHA512

    b0c08f531dfa738e5c19015d0df8f2ff7056efb974bb25ff064e04f78a2cce6c95643ddf738b5ee4c3ad0bc4aa6c67e59032868e53ab39ed763f679e47a147e4

  • SSDEEP

    12288:Pzhtfzyv02njijj9h20AX2kFODHDppepDPghDDei:PFtfzMS1h20AX2kFODHDppepDPghDDe

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dol
  • Password:
    Doll900#@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dol
  • Password:
    Doll900#@

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f.exe
    "C:\Users\Admin\AppData\Local\Temp\57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Users\Admin\AppData\Local\Temp\57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f.exe
      "C:\Users\Admin\AppData\Local\Temp\57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f.exe"
      2⤵
        PID:5104
      • C:\Users\Admin\AppData\Local\Temp\57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f.exe
        "C:\Users\Admin\AppData\Local\Temp\57b528b37817965008b3799c92ceb9103fae6111e92eed97122ef2dafff50a4f.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:1676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1676-7-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1676-16-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1676-15-0x0000000006900000-0x000000000699C000-memory.dmp

      Filesize

      624KB

    • memory/1676-14-0x0000000006810000-0x0000000006860000-memory.dmp

      Filesize

      320KB

    • memory/1676-9-0x0000000005060000-0x00000000050C6000-memory.dmp

      Filesize

      408KB

    • memory/1676-11-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1676-8-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3660-6-0x0000000004DB0000-0x0000000004DF8000-memory.dmp

      Filesize

      288KB

    • memory/3660-0-0x000000007451E000-0x000000007451F000-memory.dmp

      Filesize

      4KB

    • memory/3660-10-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3660-4-0x0000000074510000-0x0000000074CC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3660-5-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

      Filesize

      40KB

    • memory/3660-3-0x0000000004B70000-0x0000000004C02000-memory.dmp

      Filesize

      584KB

    • memory/3660-2-0x0000000005070000-0x0000000005614000-memory.dmp

      Filesize

      5.6MB

    • memory/3660-1-0x0000000000110000-0x000000000017E000-memory.dmp

      Filesize

      440KB