Overview

overview

10

Static

static

CI, PL & Draft BL.scr

windows7_x64

10

CI, PL & Draft BL.scr

windows10_x64

3

Analysis

  • max time kernel
    89s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    30-06-2020 12:02

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General

  • Target

    CI, PL & Draft BL.scr

  • Size

    548KB

  • MD5

    e1b0c67785b827e7d33c6150dbd2f199

  • SHA1

    1d8fdd7eb1c87fb8b04bd1e3384f5d27e46ba307

  • SHA256

    dd094a53acb45fb8c7ad5b00763b86703e63a2c1382a0711405a3b8aab68753d

  • SHA512

    581b94f4c67b9569e449eba88212ab17ff4293f96acf523bbcc50b4fbe3d2b5005276781d493999192a0018c5a449cf2c91fe5e41924a9db89cb6900a5b26428

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    st.edwardsg@yandex.com
  • Password:
    !A%R,@%rUjmP

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\CI, PL & Draft BL.scr
    "C:\Users\Admin\AppData\Local\Temp\CI, PL & Draft BL.scr" /S
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1392
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LLKnxJmlwFKrrK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEB48.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1044
    • C:\Users\Admin\AppData\Local\Temp\CI, PL & Draft BL.scr
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1688

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEB48.tmp
    MD5

    1e091f4c9c3ac547eea2a1d9d3d0bea3

    SHA1

    1e4d08a519a64b31f737030b5b2b589da807143d

    SHA256

    9d1b5ba1ff10fed13f826a9b441937cda73cd670f4c27510ca09027762a54bb6

    SHA512

    bc28ea1ed7af8ccf59f93054442e0fe8e405bc80c1d46fdfafd170b90c59bc0b17953a867676d850ec0d8c13d454d5565483c2a7033506ddbbc4737b1d4fb0a4

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  • memory/1044-2-0x0000000000000000-mapping.dmp
    Download
  • memory/1392-1-0x0000000000000000-0x0000000000000000-disk.dmp
    Download
  • memory/1688-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1688-5-0x0000000000446DAE-mapping.dmp
    Download
  • memory/1688-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1688-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download