Overview

overview

10

Static

static

3

f9f7b73497...18.exe

windows7-x64

10

f9f7b73497...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f9f7b73497e53dab0f0da51e6ea7ad47_JaffaCakes118

  • Size

    759KB

  • Sample

    240419-kz93baec4w

  • MD5

    f9f7b73497e53dab0f0da51e6ea7ad47

  • SHA1

    35f739ad7246794d85487c425a299a765b18bff6

  • SHA256

    b62b1e316fbcabfe8d88212f7b49ed54c3351187c5ec73f7ff90c7698ea28876

  • SHA512

    498f223f50df39cce36be964656980a2c03c88b67e94bddf19ed0ba29b652eb7126f223c56204d9857a0f51252832b5242c291d5322783281f6bfd5d7069088c

  • SSDEEP

    12288:kz1plvpa7NwiVrX9ULtFPEEWck6rCkM7srAJlhWrC5Oe8IhtMxBKURtV2br4ESZB:kz1Xpa7NwiVrXOtFPFWckUHAJl4rMkIY

Score
10/10
remcosremotehostevasionrat

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

RemoteHost

C2

172.94.88.26:3033

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-LNYWHZ

  • 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

      f9f7b73497e53dab0f0da51e6ea7ad47_JaffaCakes118

    • Size

      759KB

    • MD5

      f9f7b73497e53dab0f0da51e6ea7ad47

    • SHA1

      35f739ad7246794d85487c425a299a765b18bff6

    • SHA256

      b62b1e316fbcabfe8d88212f7b49ed54c3351187c5ec73f7ff90c7698ea28876

    • SHA512

      498f223f50df39cce36be964656980a2c03c88b67e94bddf19ed0ba29b652eb7126f223c56204d9857a0f51252832b5242c291d5322783281f6bfd5d7069088c

    • SSDEEP

      12288:kz1plvpa7NwiVrX9ULtFPEEWck6rCkM7srAJlhWrC5Oe8IhtMxBKURtV2br4ESZB:kz1Xpa7NwiVrXOtFPFWckUHAJl4rMkIY

    Score
    10/10
    remcosremotehostevasionrat

    • Remcos

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

      ratremcos

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks