Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 12:28

General

  • Target

    Comprobante_98756.exe

  • Size

    1.0MB

  • MD5

    c6fe897cf4e5f9cd403bcde5a721c381

  • SHA1

    5923e89201e0d9a5dd35763eb2c8a0ade982dcb4

  • SHA256

    ff2be6f85c26c62d50364e48cc6f6209df35b82d6c4b0db31e776f84b81629a5

  • SHA512

    64f1534ca3c305366e7bacc7c2e48daadb3a126644c3e52b8986dabed7b847280550d0373de93c40207c3d16ed0e297e54cf7fc6bad83fec25dd1514d617c300

  • SSDEEP

    24576:ftb20pkaCqT5TBWgNQ7aRxt9sqvOXiA6A:cVg5tQ7aRxt9cv5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.elquijotebanquetes.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -GN,s*KH{VEhPmo)+f

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Comprobante_98756.exe
    "C:\Users\Admin\AppData\Local\Temp\Comprobante_98756.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1448
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Comprobante_98756.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2196
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1996,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3756 /prefetch:8
    1⤵
      PID:1964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1448-5-0x0000000000DA0000-0x0000000000DA4000-memory.dmp

      Filesize

      16KB

    • memory/2196-6-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2196-7-0x000000007397E000-0x000000007397F000-memory.dmp

      Filesize

      4KB

    • memory/2196-8-0x0000000005E70000-0x0000000006414000-memory.dmp

      Filesize

      5.6MB

    • memory/2196-9-0x00000000057D0000-0x0000000005836000-memory.dmp

      Filesize

      408KB

    • memory/2196-10-0x0000000073970000-0x0000000074120000-memory.dmp

      Filesize

      7.7MB

    • memory/2196-11-0x0000000006AB0000-0x0000000006B00000-memory.dmp

      Filesize

      320KB

    • memory/2196-12-0x0000000006BA0000-0x0000000006C32000-memory.dmp

      Filesize

      584KB

    • memory/2196-13-0x0000000006B30000-0x0000000006B3A000-memory.dmp

      Filesize

      40KB

    • memory/2196-14-0x000000007397E000-0x000000007397F000-memory.dmp

      Filesize

      4KB

    • memory/2196-15-0x0000000073970000-0x0000000074120000-memory.dmp

      Filesize

      7.7MB