Analysis

  • max time kernel
    90s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 10:36

General

  • Target

    RFQ-BE2100.exe

  • Size

    1.5MB

  • MD5

    5d5cbf47ab3f53d8cfaaea4824ecfa95

  • SHA1

    176e5f18435b5aa25c5a355b43eb82897e82b367

  • SHA256

    42f7c2e83a58bc634ca3953f74a959e42d5124e2e09bf4c8e76ae285c61f784d

  • SHA512

    2ddcdda605e55d3fe1d6b050ab4012bffc0a1ed90bedfd1df666f649e9886717cdb38ea99efba20e3b71f09d9e120ae5dea8416116393112fc2424f607e3c790

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.coastalinternational.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    r7i7t7h7u

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-BE2100.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-BE2100.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1464
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1076

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/812-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

      Filesize

      8KB

    • memory/812-65-0x0000000000AD0000-0x0000000000B68000-memory.dmp

      Filesize

      608KB

    • memory/812-66-0x0000000002960000-0x00000000029F8000-memory.dmp

      Filesize

      608KB

    • memory/1076-68-0x0000000000000000-mapping.dmp

    • memory/1464-55-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1464-57-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1464-62-0x000000000044CC9E-mapping.dmp

    • memory/1464-63-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB

    • memory/1464-64-0x0000000000400000-0x0000000000452000-memory.dmp

      Filesize

      328KB