Overview

overview

10

Static

static

PRE-ALERT ...29.exe

windows7-x64

10

PRE-ALERT ...29.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    PRE-ALERT ==HTHC22031529.exe

  • Size

    17KB

  • Sample

    220806-g8wz9seac9

  • MD5

    fcded46d7cc1ab298a281734e1eab2dc

  • SHA1

    1e0122d610831396d1a470ad762bd804a67ae9d9

  • SHA256

    20ba461023a3e0451f84770af4f5670b036d1634d2d6c3b805d87805279a945b

  • SHA512

    532531a6489dba3a68b93df74ba9cd4a6d19f64295f9638760df178e709e48087c06a7dc85d6707ba656119e9d5940993350ac41ef12f6fbf6d86102169080a3

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.111.234.100:5888

Attributes
  • audio_folder

    MicRecords

  • 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

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-IY2SFS

  • 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

Targets

    • Target

      PRE-ALERT ==HTHC22031529.exe

    • Size

      17KB

    • MD5

      fcded46d7cc1ab298a281734e1eab2dc

    • SHA1

      1e0122d610831396d1a470ad762bd804a67ae9d9

    • SHA256

      20ba461023a3e0451f84770af4f5670b036d1634d2d6c3b805d87805279a945b

    • SHA512

      532531a6489dba3a68b93df74ba9cd4a6d19f64295f9638760df178e709e48087c06a7dc85d6707ba656119e9d5940993350ac41ef12f6fbf6d86102169080a3

    Score
    10/10
    remcosremotehostpersistencerat

    • 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.

    • 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

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks