Overview

overview

10

Static

static

3

3b38911c23...8b.exe

windows7-x64

10

3b38911c23...8b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b38911c23c2a02b9b841c5433c7ec8b.exe

  • Size

    1.0MB

  • Sample

    250212-tfp3gaykfl

  • MD5

    3b38911c23c2a02b9b841c5433c7ec8b

  • SHA1

    50178bd43f376142642b89627744db05e48d7d64

  • SHA256

    b89219f349b4d70a5a2388c390fcff2aff6267dfec60887dafbcaf948ff96a56

  • SHA512

    dae4c0911dda84f6fdde60caa2d48e18ffd4efd030ba5c41c8fed850911c29aba02d9d5d33119af2c0442a34f55e3d832e60749079ded063dde1ce2b44b6e5c1

  • SSDEEP

    24576:raC1DfgFhABaTWJMEcP7+jWOBOBGwEpNn2rs7wsRGhED:OCFtMXPSjWO+S2rwwsXD

Score
10/10
latentbotremcosfeb 07discoveryexecutionratspywarestealertrojan

Malware Config

Extracted

Family

remcos

Botnet

FEB 07

C2

fidelity123.zapto.org:9373

103.186.117.61:9373
Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-5GYIF0

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

latentbot

C2

fidelity123.zapto.org

Targets

    • Target

      3b38911c23c2a02b9b841c5433c7ec8b.exe

    • Size

      1.0MB

    • MD5

      3b38911c23c2a02b9b841c5433c7ec8b

    • SHA1

      50178bd43f376142642b89627744db05e48d7d64

    • SHA256

      b89219f349b4d70a5a2388c390fcff2aff6267dfec60887dafbcaf948ff96a56

    • SHA512

      dae4c0911dda84f6fdde60caa2d48e18ffd4efd030ba5c41c8fed850911c29aba02d9d5d33119af2c0442a34f55e3d832e60749079ded063dde1ce2b44b6e5c1

    • SSDEEP

      24576:raC1DfgFhABaTWJMEcP7+jWOBOBGwEpNn2rs7wsRGhED:OCFtMXPSjWO+S2rwwsXD

    Score
    10/10
    latentbotremcosfeb 07discoveryexecutionratspywarestealertrojan

    • LatentBot

      Modular trojan written in Delphi which has been in-the-wild since 2013.

      trojanlatentbot

    • Latentbot family

      latentbot

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

      ratremcos

    • Remcos family

      remcos

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks