Analysis

  • max time kernel
    45s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:39

General

  • Target
    Request for Quotation (RFQ) - E4396-EV592-08-06-2020.exe
  • Size 705KB
  • Sample201109-5raw9act96
  • SHA256 a74567db4154ed5baa9d84ef2d25fad81f034005b75c4262f6a83159dc0d669d
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Request for Quotation (RFQ) - E4396-EV592-08-06-2020.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation (RFQ) - E4396-EV592-08-06-2020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:340
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation (RFQ) - E4396-EV592-08-06-2020.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation (RFQ) - E4396-EV592-08-06-2020.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1996

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1996-0-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1996-2-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1996-3-0x0000000000400000-0x00000000004A4000-memory.dmp

        memory/1996-4-0x00000000002C0000-0x000000000030C000-memory.dmp

        memory/1996-5-0x0000000000322000-0x0000000000323000-memory.dmp

        memory/1996-6-0x0000000000220000-0x0000000000266000-memory.dmp