Analysis

  • max time kernel
    129s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10-07-2020 17:59

General

  • Target

    Order-No 20200708 pdf.exe

  • Size

    741KB

  • MD5

    96be544435702043037ddad6334cbb89

  • SHA1

    46a4fc933f172d345bb5f4727eb6ae92dbdf6c54

  • SHA256

    2e6c9cf68a8bcca1eb368038a06f47566eb7fd3eb6ea6919bcbd293dbadf1e11

  • SHA512

    358a655ecafb05919f153651ca4addeb692f8a3011b1800ef47fda9a7e916c7bbebefaa883ad3d2b3a8037715362b246d380c1c2c2b00e4e413071652104c4db

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.sbcglebal.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vNPkSoy1

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order-No 20200708 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Order-No 20200708 pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Users\Admin\AppData\Local\Temp\Order-No 20200708 pdf.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1856

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1516-1-0x0000000000000000-0x0000000000000000-disk.dmp
  • memory/1856-2-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1856-3-0x0000000000446F9E-mapping.dmp
  • memory/1856-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1856-5-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB