Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2024, 15:52

General

  • Target
    mv Afina I Vsl's Desc.exe
  • Size 778KB
  • Sample240110-ta2t3sbce2
  • SHA256 183c71d2749893b3018f8d521712a58c6b3efd449a5ecbbbb12df1da69e0f7f6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6890953843:AAESDeAPFWFuXjE5oUpLiVkGoZxJQbW2ZFE/

Signatures

  • AgentTesla

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

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mv Afina I Vsl's Desc.exe
    "C:\Users\Admin\AppData\Local\Temp\mv Afina I Vsl's Desc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\mv Afina I Vsl's Desc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\mv Afina I Vsl's Desc.exe
      "C:\Users\Admin\AppData\Local\Temp\mv Afina I Vsl's Desc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1248-21-0x0000000074A40000-0x000000007512E000-memory.dmp

        memory/1248-0-0x0000000000FD0000-0x0000000001096000-memory.dmp

        memory/1248-2-0x0000000004D30000-0x0000000004D70000-memory.dmp

        memory/1248-3-0x0000000000580000-0x000000000059C000-memory.dmp

        memory/1248-4-0x0000000000A20000-0x0000000000A2E000-memory.dmp

        memory/1248-5-0x00000000051F0000-0x000000000526C000-memory.dmp

        memory/1248-1-0x0000000074A40000-0x000000007512E000-memory.dmp

        memory/2744-16-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2744-12-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2744-23-0x0000000000C30000-0x0000000000C70000-memory.dmp

        memory/2744-33-0x0000000000C30000-0x0000000000C70000-memory.dmp

        memory/2744-32-0x0000000074A40000-0x000000007512E000-memory.dmp

        memory/2744-10-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2744-20-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2744-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2744-22-0x0000000074A40000-0x000000007512E000-memory.dmp

        memory/2744-8-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2744-18-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2744-6-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/2772-27-0x000000006FB00000-0x00000000700AB000-memory.dmp

        memory/2772-28-0x0000000001BE0000-0x0000000001C20000-memory.dmp

        memory/2772-31-0x000000006FB00000-0x00000000700AB000-memory.dmp

        memory/2772-29-0x0000000001BE0000-0x0000000001C20000-memory.dmp

        memory/2772-30-0x0000000001BE0000-0x0000000001C20000-memory.dmp

        memory/2772-26-0x000000006FB00000-0x00000000700AB000-memory.dmp