Analysis

  • max time kernel
    118s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 02:31

General

  • Target

    vessel_documents_220524_pdf.exe

  • Size

    1004KB

  • MD5

    f9a051bb69d81d56a813cb7c1b9723ca

  • SHA1

    48bc5e261d86fd13f381fdd8d99543f2e04f8d74

  • SHA256

    9a85f60d0a9c5ed32f0a0e8717769f82bf796a7fec9efc5826adb170d5742682

  • SHA512

    7cb35b72921599ceb1d239c356fe8ed08da1bf851d238df102ae373553754b7bcd41d2ba19e6a6504ef9a92ba0dc44f84eeb598016abdc2b48f4d3cbe2d3fa2b

  • SSDEEP

    24576:bAHnh+eWsN3skA4RV1Hom2KXMmHa4eHljd25:2h+ZkldoPK8Ya4eFS

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 3 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\vessel_documents_220524_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\vessel_documents_220524_pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\vessel_documents_220524_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2092

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2092-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2092-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2092-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2092-16-0x00000000742CE000-0x00000000742CF000-memory.dmp

    Filesize

    4KB

  • memory/2092-17-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2092-32-0x00000000742CE000-0x00000000742CF000-memory.dmp

    Filesize

    4KB

  • memory/2092-33-0x00000000742C0000-0x00000000749AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-10-0x0000000000160000-0x0000000000164000-memory.dmp

    Filesize

    16KB