Analysis

  • max time kernel
    137s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-07-2020 06:30

General

  • Target

    Order Specifications.exe

  • Size

    711KB

  • MD5

    5350d9dedce9039a41a8d5c1e9cb8f20

  • SHA1

    47e845b83e0c561e42b73e0a8a54d0e3c9ad25b5

  • SHA256

    3228552bf12eac0d0d241b72489b37b6f25e4f3fca6e7867a3dbc2b912f404fe

  • SHA512

    46cefb5c1c7e0f8611afd21fea910430e299d4eb3761c507ca24ac35c6466f3cb9ea2f2c6d3dd6c49d8cb2bea248bbdbe9195a6171a5c7fb0308af8d498fad5c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    premium57.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Goodboy123??

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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DusOaszsqZvAQE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B01.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1856
    • C:\Users\Admin\AppData\Local\Temp\Order Specifications.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1892

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6B01.tmp
    MD5

    a18817b210edcfdfedda9307ef787f9b

    SHA1

    63affa8e4f38d329d8b14045487b8f764426a86e

    SHA256

    87bc038a92db14670cdba947cd934fa4ef8934a06c5edeee535c42fa3ff13e64

    SHA512

    160e2709124034f2436eb33620a7ed80ea469ae7889db7b28baae62aa1ccb5385f89a39dd46b69594dd5f232eb593d59efaf1f31560f078b350162e04f6d47fc

  • memory/1032-1-0x0000000000000000-0x0000000000000000-disk.dmp
  • memory/1856-2-0x0000000000000000-mapping.dmp
  • memory/1892-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1892-5-0x0000000000446E5E-mapping.dmp
  • memory/1892-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1892-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB