Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2023 14:01

General

  • Target

    orden de compra 211123_Arvilab srl.exe

  • Size

    52KB

  • MD5

    8f1451919fb5f5da4ae9fb9e8422dfcf

  • SHA1

    1d7f3ae4c3a73a801fd1f74387248f5c63d9582c

  • SHA256

    bfcf7363ce0cf820c23913eacab873e1f9bc51b14611e2cac22f7a78529b18ee

  • SHA512

    9a772675a0fb7dfc561967d7a9f3d8d97d272607b0d743f8d4865059cc4e4bf2551075115bba459387e836c460482be714a78eeeec9df1fe74e256c3dac74e09

  • SSDEEP

    384:lebUqIH2VIGJfZf0iTbZ0yITJOHOfHgNN0G+37Zvj66QnzVcTaOidKjWPe9qbvW:w/p0IETJOHOfHgNNU766QYaOiz

Malware Config

Extracted

Family

purecrypter

C2

https://onedrive.live.com/download?resid=F6CFB1B6019B1562%21264&authkey=!AHGHtUCYkGXio4k&em=2

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 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\orden de compra 211123_Arvilab srl.exe
    "C:\Users\Admin\AppData\Local\Temp\orden de compra 211123_Arvilab srl.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      2⤵
        PID:236
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/796-13-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/796-1-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/796-2-0x0000000005870000-0x0000000005880000-memory.dmp

      Filesize

      64KB

    • memory/796-3-0x0000000006AB0000-0x0000000006B08000-memory.dmp

      Filesize

      352KB

    • memory/796-4-0x0000000006B80000-0x0000000006BC0000-memory.dmp

      Filesize

      256KB

    • memory/796-5-0x0000000006CE0000-0x0000000006D20000-memory.dmp

      Filesize

      256KB

    • memory/796-6-0x0000000006E20000-0x0000000006E6C000-memory.dmp

      Filesize

      304KB

    • memory/796-7-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/796-8-0x0000000005870000-0x0000000005880000-memory.dmp

      Filesize

      64KB

    • memory/796-9-0x0000000007430000-0x00000000079D4000-memory.dmp

      Filesize

      5.6MB

    • memory/796-0-0x0000000000E20000-0x0000000000E32000-memory.dmp

      Filesize

      72KB

    • memory/3340-10-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3340-12-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3340-15-0x0000000005510000-0x0000000005576000-memory.dmp

      Filesize

      408KB

    • memory/3340-14-0x0000000002E20000-0x0000000002E30000-memory.dmp

      Filesize

      64KB

    • memory/3340-16-0x00000000065D0000-0x0000000006662000-memory.dmp

      Filesize

      584KB

    • memory/3340-17-0x0000000006770000-0x000000000677A000-memory.dmp

      Filesize

      40KB

    • memory/3340-18-0x0000000006810000-0x0000000006860000-memory.dmp

      Filesize

      320KB

    • memory/3340-19-0x0000000006A30000-0x0000000006BF2000-memory.dmp

      Filesize

      1.8MB

    • memory/3340-20-0x0000000074520000-0x0000000074CD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3340-21-0x0000000002E20000-0x0000000002E30000-memory.dmp

      Filesize

      64KB