Analysis

  • max time kernel
    111s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    29-07-2020 06:43

General

  • Target

    PO copy.pdf.exe

  • Size

    727KB

  • MD5

    4ddacd69b1dde544b039737f3407bb3d

  • SHA1

    3d3ab5401a5342eb1db769044158c3b689ddbf1e

  • SHA256

    7926de68f0148fa153c0419a0f5ef355f14f705ced4485fea5ce745b3b6c29b8

  • SHA512

    391e24dfcbb753f48e392f7b768c161f2dd12f1bb8e7169126c6a55bf7d5eedfb22268f7e01aba54a3fc702f7f20b665a3862c64d4e1b21f61651b69c260ee2e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sensar-light.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    505012345@@@@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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 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\PO copy.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\PO copy.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1104

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1104-0-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1104-2-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1104-3-0x0000000000400000-0x00000000004A4000-memory.dmp

    Filesize

    656KB

  • memory/1104-4-0x0000000000300000-0x000000000034C000-memory.dmp

    Filesize

    304KB

  • memory/1104-5-0x0000000001E62000-0x0000000001E63000-memory.dmp

    Filesize

    4KB

  • memory/1104-6-0x0000000000220000-0x0000000000266000-memory.dmp

    Filesize

    280KB