Analysis

  • max time kernel
    59s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2022 04:28

General

  • Target

    SecuriteInfo.com.Win64.TrojanX-gen.10.11034.exe

  • Size

    478KB

  • MD5

    b8ce4d19a21124e8e63685fa6bd36ac3

  • SHA1

    a73481acc428e4dd459f08d7ff68539903f20946

  • SHA256

    d747780849118d02f422d51f90b9f9741e2f734fabec8d0bcab5504a4707cb25

  • SHA512

    f1e28294e7a6a6f830564f0038449ea5e810955ae219dade2949de953fdb66d5dfbad7af16272033caf1d5808ed79acf3795ef09c78a6504b9c13fc7417fdbe4

  • SSDEEP

    12288:YWfh4Acl9W3b/BDScPG3/+NRwOxqEifI3ts:Jfh4Acl9WbBjPy/+NqOxqw3t

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5509676421:AAHVfq0YN7e_82lPiCCvwpggaM1LVnP2Cgw/

Signatures

  • AgentTesla

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.TrojanX-gen.10.11034.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win64.TrojanX-gen.10.11034.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1048-54-0x00000000000F0000-0x000000000016C000-memory.dmp
    Filesize

    496KB

  • memory/1048-55-0x00000000006C0000-0x000000000073A000-memory.dmp
    Filesize

    488KB

  • memory/1688-56-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-57-0x0000000000437C6E-mapping.dmp
  • memory/1688-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-59-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1688-62-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB