Overview

overview

10

Static

static

Facturas P...to.exe

windows7_x64

10

Facturas P...to.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    44s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:25

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General

  • Target

    Facturas Pagadas al Vencimiento.exe

  • Size

    440KB

  • MD5

    194b1225cd1efbc86b7f980fd051f4ab

  • SHA1

    e0d239503372670ee76df673bb3755e503287ddf

  • SHA256

    d8972963e61f138278d2f2c45982444f682428c6de5d3cdcf5d0f46797754949

  • SHA512

    1c3dbb023a4a9adf3a8d88677948d98d538cbc1eb14e7a26157102a83b936e18e437972f3410f0be0abe2eb521691da2c103e59660becf1f94341418379260ef

Score
10/10
agentteslacollectionkeyloggerrezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    off1ce.box@yandex.com
  • Password:
    kroskofile

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    rezer0
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe
    "C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\Facturas Pagadas al Vencimiento.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2016

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

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/1984-54-0x0000000000020000-0x0000000000094000-memory.dmp
    Filesize

    464KB

    Download
  • memory/1984-55-0x00000000753C1000-0x00000000753C3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1984-56-0x0000000000320000-0x0000000000330000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1984-57-0x0000000005AD0000-0x0000000005B26000-memory.dmp
    Filesize

    344KB

    Download
  • memory/2016-58-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2016-59-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2016-61-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2016-62-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2016-64-0x000000000044A75E-mapping.dmp
    Download
  • memory/2016-63-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2016-66-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download
  • memory/2016-68-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

    Download