Overview

overview

10

Static

static

31661e8e9a...0d.exe

windows7_x64

10

31661e8e9a...0d.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    31661e8e9ab89af4cac4a30a0fe3f8b896e5a4140eb0fb4003cf22521a25010d

  • Size

    448KB

  • Sample

    220524-zwejkabhfn

  • MD5

    4b1ae298f40f00471728ac6ce32d601d

  • SHA1

    fc0dc529ace67350a5f94f231ee988d6af9f0539

  • SHA256

    31661e8e9ab89af4cac4a30a0fe3f8b896e5a4140eb0fb4003cf22521a25010d

  • SHA512

    42fad8dd08370b697dfde1eb6534876d2b18fd5ff5ce28f33d14a465a456430f99bb989682539ee62584e839e73a0a3a3be81ee479b5d3a82054d08f526960f6

Score
10/10
remcosbusinessrat

Malware Config

Extracted

Family

remcos

Version

2.5.1 Pro

Botnet

BUSINESS

C2

anotherlevel.ddns.net:7213

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-L9741X

  • 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

    wikipedia;solitaire;

Targets

    • Target

      31661e8e9ab89af4cac4a30a0fe3f8b896e5a4140eb0fb4003cf22521a25010d

    • Size

      448KB

    • MD5

      4b1ae298f40f00471728ac6ce32d601d

    • SHA1

      fc0dc529ace67350a5f94f231ee988d6af9f0539

    • SHA256

      31661e8e9ab89af4cac4a30a0fe3f8b896e5a4140eb0fb4003cf22521a25010d

    • SHA512

      42fad8dd08370b697dfde1eb6534876d2b18fd5ff5ce28f33d14a465a456430f99bb989682539ee62584e839e73a0a3a3be81ee479b5d3a82054d08f526960f6

    Score
    10/10
    remcosbusinessrat

    • Remcos

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

      ratremcos

    • Checks computer location settings

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

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks