Overview

overview

10

Static

static

10

tmp/2c9e92...9d.exe

windows7_x64

10

tmp/2c9e92...9d.exe

windows10_x64

10

Sharing

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General

  • Target

    tmp/2c9e92d9ce653a74a94c2de5a8893b990d04243677cf86b29709ccc8bb13579d.exe

  • Size

    574KB

  • Sample

    211210-kjzawahcal

  • MD5

    e2c9a309478a22bff158f6216e8e978b

  • SHA1

    0acf0370b3b5de0834baa4f5d37b19adcafd93cb

  • SHA256

    2c9e92d9ce653a74a94c2de5a8893b990d04243677cf86b29709ccc8bb13579d

  • SHA512

    6018a492823979122bda7c471c36a412dc6b0d2354ef72831aae2a582047236cf0bed436b241c4377ef68846f5f2860fd0402ae9989153378992b43c770b8d1d

Score
10/10
remcosspooferevasionpersistencerattrojan

Malware Config

Extracted

Family

remcos

Version

3.3.2 Pro

Botnet

Spoofer

C2

79.66.202.242:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    Runtime Broker.exe

  • copy_folder

    temp

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    logs

  • keylog_path

    %Temp%

  • mouse_option

    false

  • mutex

    Runtime Broker-KBEFXR

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Runtime Broker

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    notepad;solitaire;

Targets

    • Target

      tmp/2c9e92d9ce653a74a94c2de5a8893b990d04243677cf86b29709ccc8bb13579d.exe

    • Size

      574KB

    • MD5

      e2c9a309478a22bff158f6216e8e978b

    • SHA1

      0acf0370b3b5de0834baa4f5d37b19adcafd93cb

    • SHA256

      2c9e92d9ce653a74a94c2de5a8893b990d04243677cf86b29709ccc8bb13579d

    • SHA512

      6018a492823979122bda7c471c36a412dc6b0d2354ef72831aae2a582047236cf0bed436b241c4377ef68846f5f2860fd0402ae9989153378992b43c770b8d1d

    Score
    10/10
    remcosspooferevasionpersistencerattrojan

    • Remcos

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

      ratremcos

    • UAC bypass

      evasiontrojan

    • Adds policy Run key to start application

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

4
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks