Analysis

  • max time kernel
    104s
  • 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
    15-01-2025 01:11

General

  • Target

    154115000016 ORIGINAL BL/154115000016 ORIGINAL BL.exe

  • Size

    405KB

  • MD5

    5cadfbc68c15216faf08c1c04a7b7f11

  • SHA1

    7119d4db597929b296dee14afff6cbd7db796cbd

  • SHA256

    50185ca39cb007d72d4ddecccf974236a866615fd39acf6568c0a07f43a31215

  • SHA512

    01625e44121b9380996de4fc855fb972ab9771096bd61c8f421b93dfdbb2c8691641609dab567ca2d5d009c6a06ae73b21dbc4e29bb44c47f41a5a2211fadd64

  • SSDEEP

    6144:4/gz6nNOvt0g5WuHdoq6Otx+WDNa2OP4yJNdAxcr1S8zvtl1Aoq4Yth:4UfvtcuHdoq6Ex+MxOP4cO2xzW5z

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll650@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evica
  • Password:
    Doll650@@

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\154115000016 ORIGINAL BL\154115000016 ORIGINAL BL.exe
    "C:\Users\Admin\AppData\Local\Temp\154115000016 ORIGINAL BL\154115000016 ORIGINAL BL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5112
    • C:\Users\Admin\AppData\Local\Temp\154115000016 ORIGINAL BL\154115000016 ORIGINAL BL.exe
      "C:\Users\Admin\AppData\Local\Temp\154115000016 ORIGINAL BL\154115000016 ORIGINAL BL.exe"
      2⤵
        PID:2748
      • C:\Users\Admin\AppData\Local\Temp\154115000016 ORIGINAL BL\154115000016 ORIGINAL BL.exe
        "C:\Users\Admin\AppData\Local\Temp\154115000016 ORIGINAL BL\154115000016 ORIGINAL BL.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:4672

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4672-7-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4672-16-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/4672-15-0x0000000006E10000-0x0000000006EAC000-memory.dmp

      Filesize

      624KB

    • memory/4672-14-0x0000000006D20000-0x0000000006D70000-memory.dmp

      Filesize

      320KB

    • memory/4672-10-0x00000000056F0000-0x0000000005756000-memory.dmp

      Filesize

      408KB

    • memory/4672-9-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/4672-8-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/5112-3-0x00000000053E0000-0x0000000005472000-memory.dmp

      Filesize

      584KB

    • memory/5112-6-0x0000000005520000-0x0000000005568000-memory.dmp

      Filesize

      288KB

    • memory/5112-4-0x0000000005490000-0x000000000549A000-memory.dmp

      Filesize

      40KB

    • memory/5112-5-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/5112-11-0x0000000074770000-0x0000000074F20000-memory.dmp

      Filesize

      7.7MB

    • memory/5112-0-0x000000007477E000-0x000000007477F000-memory.dmp

      Filesize

      4KB

    • memory/5112-2-0x0000000005990000-0x0000000005F34000-memory.dmp

      Filesize

      5.6MB

    • memory/5112-1-0x0000000000970000-0x00000000009DC000-memory.dmp

      Filesize

      432KB