Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 02:01

General

  • Target

    b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe

  • Size

    755KB

  • MD5

    69eb8a758814ce93b09578f47aba4c19

  • SHA1

    66850a40b2b77f8f89f8882a5f8aecc87110945e

  • SHA256

    b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26

  • SHA512

    df1d61ea9f993b311949e7cef7137c52fe367c75fe6bfa1a6c524376c5894f3c8f94b687814a769a44e83e626556bcf4b8b12f5d72b7924e220012d332eaaeae

  • SSDEEP

    12288:4bKDA7hW9s72Rw4iJQPxUCbwlM5cd39KKcZuoni5Y2rKDEbnv77PACR5leZlN2b:4bPWO7D4iJq0lM5EQzjngLHDDA+erob

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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 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 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\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
    "C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
      "C:\Users\Admin\AppData\Local\Temp\b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1384-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/1384-1-0x0000000000230000-0x00000000002F4000-memory.dmp

    Filesize

    784KB

  • memory/1384-2-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/1384-3-0x00000000003D0000-0x00000000003F2000-memory.dmp

    Filesize

    136KB

  • memory/1384-4-0x00000000003F0000-0x0000000000400000-memory.dmp

    Filesize

    64KB

  • memory/1384-5-0x0000000005BC0000-0x0000000005C44000-memory.dmp

    Filesize

    528KB

  • memory/1384-22-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2352-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2352-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2352-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2352-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2352-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2352-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2352-21-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2352-23-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB

  • memory/2352-24-0x0000000074B30000-0x000000007521E000-memory.dmp

    Filesize

    6.9MB