Overview

overview

10

Static

static

3

b8bc7a97ea...18.exe

windows7-x64

10

b8bc7a97ea...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b8bc7a97eaa75f13cdfb5406d0e6e004_JaffaCakes118

  • Size

    540KB

  • Sample

    241202-r6p42syjev

  • MD5

    b8bc7a97eaa75f13cdfb5406d0e6e004

  • SHA1

    aee977957dba42efb4808719ab3001101d95b1fb

  • SHA256

    61f086d38f23fedd3ed01281c6dc43901d0dda54c38e2160aec66840993e12c4

  • SHA512

    a180f027e77d0967db2176992d892acd10a6810dcb962e0f601ea7abf4012e300678ab86dae53cc1e43535a0d99760b32eb79b08b757693489163d918ea22607

  • SSDEEP

    12288:1EMn/s4p3C1fC6w8fBxtNUcp4sKqSj1iccor5S0/USkIV+a:1z/sW3C1fCD4DfUF

Score
10/10
remcoshostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

194.5.98.81:7123

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    mstsc.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_lfqwkauxufogluh

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      b8bc7a97eaa75f13cdfb5406d0e6e004_JaffaCakes118

    • Size

      540KB

    • MD5

      b8bc7a97eaa75f13cdfb5406d0e6e004

    • SHA1

      aee977957dba42efb4808719ab3001101d95b1fb

    • SHA256

      61f086d38f23fedd3ed01281c6dc43901d0dda54c38e2160aec66840993e12c4

    • SHA512

      a180f027e77d0967db2176992d892acd10a6810dcb962e0f601ea7abf4012e300678ab86dae53cc1e43535a0d99760b32eb79b08b757693489163d918ea22607

    • SSDEEP

      12288:1EMn/s4p3C1fC6w8fBxtNUcp4sKqSj1iccor5S0/USkIV+a:1z/sW3C1fCD4DfUF

    Score
    10/10
    remcoshostdiscoverypersistencerat

    • Remcos

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

      ratremcos

    • Remcos family

      remcos

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

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

Command and Control

Exfiltration

Impact

Tasks