Overview

overview

10

Static

static

Default

windows10_x64

10

Analysis

  • max time kernel
    250s
  • max time network
    252s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25-01-2021 06:23

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General

  • Target

    Materials- EW-20655-18-J-D.exe

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.126cn.us
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QQomDnd5

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 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 WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Materials- EW-20655-18-J-D.exe
    "C:\Users\Admin\AppData\Local\Temp\Materials- EW-20655-18-J-D.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IllBUjsJnwdSFC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp517C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2620
    • C:\Users\Admin\AppData\Local\Temp\Materials- EW-20655-18-J-D.exe
      "C:\Users\Admin\AppData\Local\Temp\Materials- EW-20655-18-J-D.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:856

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\Microsoft\CLR_v2.0_32\UsageLogs\Materials- EW-20655-18-J-D.exe.log
    MD5

    2004111a6d19b415cfdebc8238bd4f57

    SHA1

    413d4838d93a9136bbeea358a8ab519f47d003a6

    SHA256

    5ffdbafa2c3fd1dbe9aff106cc0178a16ee1d0af5ebab89f4753384eafd2ab69

    SHA512

    97bed46f3adace8cafe59c6616befe9c28444ac5276965478a382f2a38f3da8a849406a38dc683003f03a663c7b9dd03e4e52b9605455a9accae7177f49e1d5e

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp517C.tmp
    MD5

    ee1cd0184355ccf486e09e0544f512f1

    SHA1

    7708f89bba49fdf2829832adb53524c6e49cf242

    SHA256

    62f28a17d82f581df1c69959947e5a4cba783fe00a4bf0e35f297357f1be1844

    SHA512

    1e601d1d0a641b2b549767035cdb81d2f7fa053262aaecc68acf5e5eb4fc0d5ceac5afa648e792a280ad46f931be2cb0c5fa3b90eb49f1728a0a0bc12c697f1e

    Download Submit
  • memory/652-2-0x0000000002A50000-0x0000000002A51000-memory.dmp
    Filesize

    4KB

    Download
  • memory/652-4-0x0000000002A51000-0x0000000002A52000-memory.dmp
    Filesize

    4KB

    Download
  • memory/856-6-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/856-7-0x00000000004374AE-mapping.dmp
    Download
  • memory/856-9-0x0000000002C50000-0x0000000002C51000-memory.dmp
    Filesize

    4KB

    Download
  • memory/856-10-0x0000000002C51000-0x0000000002C52000-memory.dmp
    Filesize

    4KB

    Download
  • memory/856-11-0x0000000002C52000-0x0000000002C53000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2620-3-0x0000000000000000-mapping.dmp
    Download