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Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    07/07/2020, 11:48

General

  • Target

    AWB 673687387678.EXE

  • Size

    425KB

  • MD5

    7851f2d356ca57acbbb7c6ad51bbfab7

  • SHA1

    6f956b2b4abf02bd5dad579f9cd102c5cf1ae61c

  • SHA256

    935e5bb0fe7441931cbc606436d22e48c1990f2b421c14980b1cd5ae4eaf9975

  • SHA512

    1203c3939c0566df9a359fc7757f9e691d642238b1f9d20eef6eab07accb9fd8848c5e7f7674d404d41a6cb35e9ce341fdb850d874694946b6c25fe99bbcee78

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.papayatreehotels.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tree1579

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • UPX packed file 3 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.EXE
    "C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.EXE"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3768
    • C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.EXE
      "C:\Users\Admin\AppData\Local\Temp\AWB 673687387678.EXE"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2144-0-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2144-2-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2144-3-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/2144-4-0x00000000021B0000-0x00000000021FC000-memory.dmp

    Filesize

    304KB