Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2024 13:06

General

  • Target

    StatementofAccount-USD16720.00.exe

  • Size

    475KB

  • MD5

    cf173ca1db13dfc7237fd33630926b65

  • SHA1

    783e42e20da75ea1a2fd7a02e3824f251f26cf4f

  • SHA256

    1b9d152c5cd6e2904ada0ca707dbd2bb089ac59f8b07723490552a000848cc54

  • SHA512

    31a7210e2ef813763225c39f5c42f00cd7899539755fd090e256ab17a16c88238e9a659bed9cf4bfd9f5bcb310fb850a6e2e04c41aaf1f2f8fd98db99fa8addc

  • SSDEEP

    6144:Y9yYMqdl+a/ZNntauGBOaYcR/uVc3fTlAoOjlrrhTFInd6Xcfg9UJU8:2dMqdl+YZNorUVcvWoOJFTWndm+

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_evico
  • 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 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\StatementofAccount-USD16720.00.exe
    "C:\Users\Admin\AppData\Local\Temp\StatementofAccount-USD16720.00.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Users\Admin\AppData\Local\Temp\StatementofAccount-USD16720.00.exe
      "C:\Users\Admin\AppData\Local\Temp\StatementofAccount-USD16720.00.exe"
      2⤵
        PID:2856
      • C:\Users\Admin\AppData\Local\Temp\StatementofAccount-USD16720.00.exe
        "C:\Users\Admin\AppData\Local\Temp\StatementofAccount-USD16720.00.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:2980

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2708-3-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2708-1-0x0000000000C20000-0x0000000000C9E000-memory.dmp

      Filesize

      504KB

    • memory/2708-2-0x00000000004B0000-0x00000000004F8000-memory.dmp

      Filesize

      288KB

    • memory/2708-21-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2708-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

      Filesize

      4KB

    • memory/2980-19-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2980-4-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2980-18-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2980-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2980-16-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2980-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2980-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2980-8-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2980-6-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2980-20-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2980-24-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB