Overview

overview

10

Static

static

Proposal catalog.exe

windows7_x64

10

Proposal catalog.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    141s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:39

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General

  • Target

    Proposal catalog.exe

  • Size

    703KB

  • MD5

    0099266be4fb71dfc25be49fb34df81a

  • SHA1

    3e8580f27bcdae7564f719110d8592a030c7c25e

  • SHA256

    a1ec16ea0d0f8133dfb05368d5137b6e49d90039dddabe9bb46b3bbc5278fc26

  • SHA512

    8f97a6ca5e9158d73b29da4845e64794e553637d383cf700a4b293d0b34b8b88140707707830cafdfaf3359a97fcfaac19caac420aeb34950fee07d3610ce486

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    gallery

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 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\Proposal catalog.exe
    "C:\Users\Admin\AppData\Local\Temp\Proposal catalog.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA620.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\Proposal catalog.exe
      "{path}"
      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:2028

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\tmpA620.tmp
    Filesize

    1KB

    MD5

    ab15c7fe3dc23f51a8ed4545eb54a9cb

    SHA1

    206a5e711a5b8819deae10c568fa760a23d9308c

    SHA256

    2889f7b15e75b474bfa37c720f216861f138e8e39e1d2f807ce751a21086674b

    SHA512

    29b8f09dfa625fad63d6cae0fd9d9f9ea19a4b5a001138c5afb644c0d37f1cc2e7bf51a4242af433568b22b19613b1570a234474663cc659dd4ad54c7407a114

    Download Submit
  • memory/1652-55-0x0000000074140000-0x00000000746EB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/1652-54-0x00000000752B1000-0x00000000752B3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2028-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2028-58-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2028-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2028-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2028-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2028-64-0x000000000044725E-mapping.dmp
    Download
  • memory/2028-66-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2028-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/2028-70-0x0000000074140000-0x00000000746EB000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2044-56-0x0000000000000000-mapping.dmp
    Download