Analysis

  • max time kernel
    102s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 20:11

General

  • Target

    rnarud__ba20226_.exe

  • Size

    1.2MB

  • MD5

    514cada34dd6d59662f34dcf3f6bdd2e

  • SHA1

    8d2d77eb4d0598a61ddda756acaa0d6e046ff1ad

  • SHA256

    ce81e1cd2f8d5182b7943ce709f1debdaed588324b19691f6bc928dabc6232c4

  • SHA512

    fc103c2a7dfe0706a1539daf6835881f8c0488e451224843c5c7032f77ca0fb2fc44e33b57e6b9d11f2b08fb36fb9296d1f73571d5da974363ecb38be0276c71

  • SSDEEP

    24576:M59eEAEXc1LhauOKapgT7hYL1GNspORnYXhQslH:MjHAtVhYgCcspORqhDH

Malware Config

Extracted

Family

agenttesla

C2

https://discordapp.com/api/webhooks/1197254961164202145/ptzKDsgHtj6pY49BfLZoBFgkUGXIM695d512QfX0eWtZsuDouCKEGxBU0TiPSCQb8iSK

Signatures

  • AgentTesla

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

  • 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rnarud__ba20226_.exe
    "C:\Users\Admin\AppData\Local\Temp\rnarud__ba20226_.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2448

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2448-13-0x0000000006CE0000-0x0000000006D72000-memory.dmp

    Filesize

    584KB

  • memory/2448-11-0x0000000006AB0000-0x0000000006B00000-memory.dmp

    Filesize

    320KB

  • memory/2448-4-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2448-16-0x00000000056E0000-0x00000000056F0000-memory.dmp

    Filesize

    64KB

  • memory/2448-15-0x0000000074FD0000-0x0000000075780000-memory.dmp

    Filesize

    7.7MB

  • memory/2448-14-0x0000000006C70000-0x0000000006C7A000-memory.dmp

    Filesize

    40KB

  • memory/2448-12-0x0000000006BA0000-0x0000000006C3C000-memory.dmp

    Filesize

    624KB

  • memory/2448-10-0x00000000057F0000-0x0000000005856000-memory.dmp

    Filesize

    408KB

  • memory/2448-9-0x00000000056E0000-0x00000000056F0000-memory.dmp

    Filesize

    64KB

  • memory/2448-8-0x0000000005CA0000-0x0000000006244000-memory.dmp

    Filesize

    5.6MB

  • memory/2448-7-0x0000000074FD0000-0x0000000075780000-memory.dmp

    Filesize

    7.7MB

  • memory/3900-3-0x00000171C3170000-0x00000171C3180000-memory.dmp

    Filesize

    64KB

  • memory/3900-0-0x00000171C1450000-0x00000171C1580000-memory.dmp

    Filesize

    1.2MB

  • memory/3900-2-0x00000171C30D0000-0x00000171C30DA000-memory.dmp

    Filesize

    40KB

  • memory/3900-6-0x00007FFA4A780000-0x00007FFA4B241000-memory.dmp

    Filesize

    10.8MB

  • memory/3900-1-0x00007FFA4A780000-0x00007FFA4B241000-memory.dmp

    Filesize

    10.8MB