Overview

overview

10

Static

static

Order No. ...df.exe

windows7_x64

10

Order No. ...df.exe

windows10-2004_x64

7

Analysis

  • max time kernel
    86s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:11

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General

  • Target

    Order No. BCM190282_pdf.exe

  • Size

    826KB

  • MD5

    69e545d71bc4c5ce0e183ff07de3a461

  • SHA1

    a9ad99446510ffeb6df4674e347759e75636620a

  • SHA256

    8e4f6a245cfec457659dbed6b01543fa43cbdb623afa53185e27fa82ddb5a79d

  • SHA512

    76e36c9586afa56f0ce68bca5a2413edbd7c97142362f9803c6b8fa336e81fff87c817c1f53c562c531b140c70f4d79758a91eea1ad7f845e01414186e485431

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.citotest.co
  • Port:
    587
  • Username:
    sandy@citotest.co
  • Password:
    PLAYBOY@123

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.

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

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

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

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Roaming\iUghIUAa.vbs
      2⤵
        PID:1620
      • C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Order No. BCM190282_pdf.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:876

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Email Collection

    1
    T1114

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/876-59-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/876-60-0x000000000044732E-mapping.dmp
      Download
    • memory/876-62-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/876-64-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1620-57-0x0000000000000000-mapping.dmp
      Download
    • memory/1992-55-0x0000000000830000-0x0000000000904000-memory.dmp
      Filesize

      848KB

      Download
    • memory/1992-56-0x0000000075DB1000-0x0000000075DB3000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1992-58-0x0000000000550000-0x000000000055A000-memory.dmp
      Filesize

      40KB

      Download