Analysis

  • max time kernel
    91s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 10:35

General

  • Target

    RFQ-ORDER NO. 8326.exe

  • Size

    1.4MB

  • MD5

    767658d77b605751797d9910d21c45ea

  • SHA1

    0855e88973a5d2a2ec52f1dcca3f6fd93b6ce439

  • SHA256

    5e78ea677a053e6a02b66b50efdabde81043d3559fce740496c7beb1983200a6

  • SHA512

    e5f4ab0c51fae4d78216ae1237baf5d9b2abed9d5aa3790113c2f6d3a688e821be69f18678bac5cf0c39c6cd8af036fa459fcddc78a0f4d33a4dc9238f1e161b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.pharco--corp.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    (UxyAlp7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 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 WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ-ORDER NO. 8326.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ-ORDER NO. 8326.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4112

Network

MITRE ATT&CK Matrix ATT&CK v6

Collection

Email Collection

1
T1114

Replay Monitor

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Downloads

  • memory/4112-130-0x0000000000000000-mapping.dmp
  • memory/4112-131-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/4112-138-0x0000000073900000-0x0000000073EB1000-memory.dmp
    Filesize

    5.7MB

  • memory/4592-136-0x0000000000C40000-0x0000000000CCD000-memory.dmp
    Filesize

    564KB

  • memory/4592-137-0x0000000003E40000-0x0000000003ECD000-memory.dmp
    Filesize

    564KB