Overview

overview

10

Static

static

overdue in...DF.exe

windows7_x64

10

overdue in...DF.exe

windows10_x64

10

Analysis

  • max time kernel
    126s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-10-2021 05:02

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General

  • Target

    overdue invoice PDF.exe

  • Size

    820KB

  • MD5

    e1ecea0bc4b06e4ed65e1e61004ec221

  • SHA1

    b48b8b03198c6b5c04da12afa1fa755f70a7b574

  • SHA256

    95adb79ec9bd9c77bba228ecee761419cd852a3aa302a7cd7bec0834952666a3

  • SHA512

    6b7e7b499c7860abb5af191a9f4ee69c6a8a72a11d508453ad70520128a5a0ebf81eb82667969e061bb4caf81c0f8077149b28d47387a1cb1d5554257db927d8

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.vibranthonda.co
  • Port:
    587
  • Username:
    parts@vibranthonda.co
  • Password:
    RADHE@123

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 1 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 1 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.

  • 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 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\overdue invoice PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\overdue invoice PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FNIcpowoxPr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6410.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1380
    • C:\Users\Admin\AppData\Local\Temp\overdue invoice PDF.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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

  • C:\Users\Admin\AppData\Local\Temp\tmp6410.tmp
    MD5

    d6d84a70a5d56d4972eb5767723d2a50

    SHA1

    8b95c2db23c11435e518576198a336973df4fb84

    SHA256

    5c6004f74a4336cd1c76b2ea40616700d560b23b2d5c06c60692e5ff248345d9

    SHA512

    fba924d1f9998404cb69ecd108d1a5be0fdcde05a5aca9010bc059954303bb3af697c0870b3a8628475655345c64745b295ed0da9724eaeb933a5d63e6f53888

    Download Submit
  • memory/972-68-0x00000000004376DE-mapping.dmp
    Download
  • memory/972-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/972-72-0x0000000000471000-0x0000000000472000-memory.dmp
    Filesize

    4KB

    Download
  • memory/972-71-0x0000000000470000-0x0000000000471000-memory.dmp
    Filesize

    4KB

    Download
  • memory/972-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/972-69-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/972-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/972-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/972-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/1068-60-0x0000000004F60000-0x0000000004F98000-memory.dmp
    Filesize

    224KB

    Download
  • memory/1068-56-0x00000000759B1000-0x00000000759B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1068-54-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1068-57-0x0000000000350000-0x000000000035E000-memory.dmp
    Filesize

    56KB

    Download
  • memory/1068-59-0x0000000004EA0000-0x0000000004F21000-memory.dmp
    Filesize

    516KB

    Download
  • memory/1068-58-0x0000000004E60000-0x0000000004E61000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1380-61-0x0000000000000000-mapping.dmp
    Download