Overview

overview

10

Static

static

Scanned doc.exe

windows7_x64

10

Scanned doc.exe

windows10_x64

3

Analysis

  • max time kernel
    105s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    31-07-2020 11:34

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General

  • Target

    Scanned doc.exe

  • Size

    479KB

  • MD5

    d3a47dde867f6f4b101b3d723b3c12a5

  • SHA1

    8f39c08d0b14a6be21dcbbbda541012a8c0c9082

  • SHA256

    891aad4c074da1158dbb19b406248a8c70b22f589f57225a8e12261c4298c925

  • SHA512

    d1ce8768bec5d98ee7bd9c20fa85f2a5ae1639748eaa9fe9f21b9f0382e92826a8273aa3e463b3e6e45c4eddfa63baad4adca7af6f5dbc8d390abdc62611a121

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    goksal.sir@prosoftelektrik.com
  • Password:
    Wm^kN*!7

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 4 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\Scanned doc.exe
    "C:\Users\Admin\AppData\Local\Temp\Scanned doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4CA8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1832
    • C:\Users\Admin\AppData\Local\Temp\Scanned doc.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1768

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\tmp4CA8.tmp
    MD5

    619935892dc702a7d2a1ef69008cc070

    SHA1

    2698088ce411926ae6f09aaa933c6ff185b7e4ca

    SHA256

    ba7948a38e0de3c4c14fd1e5c8b573a52fb4eb216dc29206619b2d5dd37cd6a1

    SHA512

    bf3c44a52090d70a2edac163003c8419f35a9835494aae2bb489bc177cf2bd6bde1624baa3cf795f0b7904a38ce5036b845482fa87e68c9f0f8974cbd59ef2e4

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  • memory/1060-1-0x0000000000000000-0x0000000000000000-disk.dmp
    Download
  • memory/1768-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1768-5-0x00000000004469FE-mapping.dmp
    Download
  • memory/1768-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1768-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1832-2-0x0000000000000000-mapping.dmp
    Download