Analysis

  • max time kernel
    132s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2023 01:22

General

  • Target

    b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe

  • Size

    861KB

  • MD5

    b23048bb519459d777ae29307d0f6d78

  • SHA1

    cf7e4c2a83d7b7c31462ebc62a65dcfc310ac7d0

  • SHA256

    b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a

  • SHA512

    3f37f77ccf19bfba6cfccafbdd5f7c0d455fde354c395c3e392bdefd72bbe0a1cb9ea8b00f585a2810e35bbea5168b4c846abc357f548e7e49477a3bfecfd023

  • SSDEEP

    12288:qYsOGRSljSNcQROzin29dM7RXYszkocbZ6:d/r8B4jV

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/

Signatures

  • AgentTesla

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe
    "C:\Users\Admin\AppData\Local\Temp\b63331b6052cd2cdecf84fd9a481bc30a5c8404d09a5694700a6b79f5d76514a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
        PID:4484
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4544

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1756-133-0x0000000000C20000-0x0000000000CFE000-memory.dmp

      Filesize

      888KB

    • memory/1756-134-0x0000000005700000-0x000000000579C000-memory.dmp

      Filesize

      624KB

    • memory/1756-135-0x0000000005D50000-0x00000000062F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1756-136-0x00000000057A0000-0x0000000005832000-memory.dmp

      Filesize

      584KB

    • memory/1756-137-0x00000000056C0000-0x00000000056CA000-memory.dmp

      Filesize

      40KB

    • memory/1756-138-0x00000000059C0000-0x0000000005A16000-memory.dmp

      Filesize

      344KB

    • memory/1756-139-0x0000000005950000-0x0000000005960000-memory.dmp

      Filesize

      64KB

    • memory/1756-140-0x0000000005950000-0x0000000005960000-memory.dmp

      Filesize

      64KB

    • memory/4544-141-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/4544-143-0x0000000004DE0000-0x0000000004E46000-memory.dmp

      Filesize

      408KB

    • memory/4544-144-0x0000000004D70000-0x0000000004D80000-memory.dmp

      Filesize

      64KB

    • memory/4544-145-0x0000000006700000-0x0000000006750000-memory.dmp

      Filesize

      320KB

    • memory/4544-146-0x0000000006920000-0x0000000006AE2000-memory.dmp

      Filesize

      1.8MB

    • memory/4544-147-0x0000000004D70000-0x0000000004D80000-memory.dmp

      Filesize

      64KB