Overview

overview

10

Static

static

8

8522948acf...3d.xls

windows7_x64

10

8522948acf...3d.xls

windows10_x64

10

Sharing

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General

  • Target

    8522948acf27ff307539d249b86b5527bc3f155481eb1a5deef70d18c0c9963d.xls

  • Size

    73KB

  • Sample

    211020-qkekrahah9

  • MD5

    5e1fa7d0797246c8da1df903f2b65e46

  • SHA1

    d0400e280b185ade7848a6150139709cf44ef5d4

  • SHA256

    8522948acf27ff307539d249b86b5527bc3f155481eb1a5deef70d18c0c9963d

  • SHA512

    a2dc8b39c55baf441a1ac706b24685bd76e39355dc45e5c59b89f3c0f06197ba8954024d3de1f1322bfdcded81b2851e02f7b7f8762d57eca36e4f7839add359

Score
10/10
remcosremotehostmacromacro_on_actionpersistenceratxlm

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

http://greenpayindia.com/grren/ConsoleApp17.exe

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

RemoteHost

C2

lplazadtemins.duckdns.org:443

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-NLSDTO

  • 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

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      8522948acf27ff307539d249b86b5527bc3f155481eb1a5deef70d18c0c9963d.xls

    • Size

      73KB

    • MD5

      5e1fa7d0797246c8da1df903f2b65e46

    • SHA1

      d0400e280b185ade7848a6150139709cf44ef5d4

    • SHA256

      8522948acf27ff307539d249b86b5527bc3f155481eb1a5deef70d18c0c9963d

    • SHA512

      a2dc8b39c55baf441a1ac706b24685bd76e39355dc45e5c59b89f3c0f06197ba8954024d3de1f1322bfdcded81b2851e02f7b7f8762d57eca36e4f7839add359

    Score
    10/10
    remcosremotehostpersistencerat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Remcos

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

      ratremcos

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

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

Tasks