Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/05/2024, 03:30

General

  • Target

    tmp.exe

  • Size

    714KB

  • MD5

    09cf1d5f7315e247594b908db4314789

  • SHA1

    da28da4400078e612c19959002999b4beb5e1180

  • SHA256

    eeef34eb0f890de8fe7f7a86a471acccdbee8e9d1668cdb0e022285a9910dfe8

  • SHA512

    e590f0fbe9990d20bf6ec891ea30a582dc8cf58a6f97e9a4432049ab704977b042c80fdb0d239da7efa3b41ba201ac282b29998b4bcaf5e8fc6ed275d5dd14da

  • SSDEEP

    12288:8WET/mr9KMBL1qNP+JUtMIeMYQyP/MmuxPLKKKOaK/ce:8WtbBLo2JUeIRDycTbq

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6744817663:AAFJyzTv9CObDiCRjkgjtiOr-fMDQfjUcLk/

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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1064

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1064-13-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1064-11-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1064-25-0x0000000073F50000-0x000000007463E000-memory.dmp

          Filesize

          6.9MB

        • memory/1064-19-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1064-23-0x0000000073F50000-0x000000007463E000-memory.dmp

          Filesize

          6.9MB

        • memory/1064-24-0x0000000073F50000-0x000000007463E000-memory.dmp

          Filesize

          6.9MB

        • memory/1064-9-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1064-7-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1064-21-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1064-17-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/1064-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2016-3-0x0000000000930000-0x0000000000952000-memory.dmp

          Filesize

          136KB

        • memory/2016-0-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

          Filesize

          4KB

        • memory/2016-1-0x0000000000EB0000-0x0000000000F6A000-memory.dmp

          Filesize

          744KB

        • memory/2016-6-0x0000000005290000-0x0000000005312000-memory.dmp

          Filesize

          520KB

        • memory/2016-22-0x0000000073F50000-0x000000007463E000-memory.dmp

          Filesize

          6.9MB

        • memory/2016-5-0x0000000000480000-0x0000000000490000-memory.dmp

          Filesize

          64KB

        • memory/2016-4-0x0000000000580000-0x000000000058C000-memory.dmp

          Filesize

          48KB

        • memory/2016-2-0x0000000073F50000-0x000000007463E000-memory.dmp

          Filesize

          6.9MB