Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/05/2024, 21:41

General

  • Target

    597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe

  • Size

    870KB

  • MD5

    8e0f0d6ce2acc6bdd10d1e6097fed7cd

  • SHA1

    af027cfb14102d8d3499d06174249aa9fa00a482

  • SHA256

    597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff

  • SHA512

    7cce48dc63adfc7fcd9788e5f06be8476fb359e5f9589b1c50c0ffc32711772278a4042c3dffb26f02698d6c9926bf6c8fb9e8dc0a25141248bae7c20fe3c5e4

  • SSDEEP

    12288:wTrfg0A/q2p8E+AaITszZSmAhg22CwSGNPQceWa3VyEjyeBvoJzmZ7i3l4tCS:C7gMXEIdA1wSGNMWa3VzBpauW3lF

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe
    "C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe
      "C:\Users\Admin\AppData\Local\Temp\597a7ac2823f3ad1e10e287ed241cd662b7b8ce9694705b454b89c51e00c70ff.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3036

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2400-0-0x000000007418E000-0x000000007418F000-memory.dmp

          Filesize

          4KB

        • memory/2400-1-0x0000000000B80000-0x0000000000C60000-memory.dmp

          Filesize

          896KB

        • memory/2400-2-0x0000000004930000-0x000000000499E000-memory.dmp

          Filesize

          440KB

        • memory/2400-3-0x0000000000450000-0x0000000000458000-memory.dmp

          Filesize

          32KB

        • memory/2400-19-0x0000000074180000-0x000000007486E000-memory.dmp

          Filesize

          6.9MB

        • memory/2400-8-0x0000000074180000-0x000000007486E000-memory.dmp

          Filesize

          6.9MB

        • memory/3036-18-0x0000000074180000-0x000000007486E000-memory.dmp

          Filesize

          6.9MB

        • memory/3036-17-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3036-6-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3036-15-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3036-4-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3036-13-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3036-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/3036-9-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3036-5-0x0000000000400000-0x0000000000440000-memory.dmp

          Filesize

          256KB

        • memory/3036-20-0x0000000074180000-0x000000007486E000-memory.dmp

          Filesize

          6.9MB

        • memory/3036-21-0x0000000074180000-0x000000007486E000-memory.dmp

          Filesize

          6.9MB