Overview

overview

10

Static

static

1

Un6piN4mUc...Us.rtf

windows7-x64

10

Un6piN4mUc...Us.rtf

windows10-2004-x64

1

Sharing

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General

  • Target

    Un6piN4mUcJYHnayv5kMlSzcIxuUF6i90BzPYEDC1Us.bin

  • Size

    42KB

  • Sample

    240523-t929wshf69

  • MD5

    292fc41f2ca899c90c5cf89ae7bb6852

  • SHA1

    e1aeff44649c71479d1b27c5de35ea80d96ccf14

  • SHA256

    527ea988de2651c2581e76b2bf990c952cdc231b9417a8bdd01ccf6040c2d54b

  • SHA512

    f5171b8be65cb57cff974e236dc7918106f516a1d784fe55f6a4e72aafc4f751ecfb0aabacbf49dd970edca7f1d359458ed91c00ecbaa284d414ded9dffc9c3e

  • SSDEEP

    768:DorA8doMx/pMZhXqiJpvwJdP0cBUe5vh2ZoYcTyeKfo:Mrfudj30dspe5vh2ZoYc2eKfo

Score
10/10
remcosremotehostexecutionpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

sembe.duckdns.org:14645

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

    nots.dat

  • keylog_flag

    false

  • keylog_folder

    note

  • keylog_path

    %Temp%

  • mouse_option

    false

  • mutex

    Rmc-999Z97

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      Un6piN4mUcJYHnayv5kMlSzcIxuUF6i90BzPYEDC1Us.bin

    • Size

      42KB

    • MD5

      292fc41f2ca899c90c5cf89ae7bb6852

    • SHA1

      e1aeff44649c71479d1b27c5de35ea80d96ccf14

    • SHA256

      527ea988de2651c2581e76b2bf990c952cdc231b9417a8bdd01ccf6040c2d54b

    • SHA512

      f5171b8be65cb57cff974e236dc7918106f516a1d784fe55f6a4e72aafc4f751ecfb0aabacbf49dd970edca7f1d359458ed91c00ecbaa284d414ded9dffc9c3e

    • SSDEEP

      768:DorA8doMx/pMZhXqiJpvwJdP0cBUe5vh2ZoYcTyeKfo:Mrfudj30dspe5vh2ZoYc2eKfo

    Score
    10/10
    remcosremotehostexecutionpersistencerat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Exploitation for Client Execution

1
T1203

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks