Overview

overview

10

Static

static

1

UZOyJ.vbs

windows7-x64

10

UZOyJ.vbs

windows10-1703-x64

10

UZOyJ.vbs

windows10-2004-x64

10

UZOyJ.vbs

windows11-21h2-x64

10

Sharing

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General

  • Target

    UZOyJ

  • Size

    12KB

  • Sample

    240420-lrqt5sed4s

  • MD5

    bbda92e82f45a249a542b40c6ecfa507

  • SHA1

    aa678d29ba51f72a02c73f898ebbe0eb6ce60a74

  • SHA256

    3b0a938deff8206e336ac2fd86c31c3f9ad22e493ba037c2bc14c7b424e3f4eb

  • SHA512

    dcf8b1556440ca86e5ff963812ef071464a6f00249ba039ce20b68cbe5a571c010d2537b86e23563b4dc47465230b3c1279bd5c411b1a864de38b1332f2b9079

  • SSDEEP

    384:Y/VwiDCXdu3NF3S0P0V2VVSUEEJNcr5+EJNcr5z525f+ofhuSw309RWEd+m0Wio9:Y/Si+Xd0NNbP0V2VMUEEJNcV+EJNcVzg

Score
10/10
remcosremotehostpersistencerat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

sembe.duckdns.org:14645

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

    true

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    notess

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-P0AEMX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      UZOyJ

    • Size

      12KB

    • MD5

      bbda92e82f45a249a542b40c6ecfa507

    • SHA1

      aa678d29ba51f72a02c73f898ebbe0eb6ce60a74

    • SHA256

      3b0a938deff8206e336ac2fd86c31c3f9ad22e493ba037c2bc14c7b424e3f4eb

    • SHA512

      dcf8b1556440ca86e5ff963812ef071464a6f00249ba039ce20b68cbe5a571c010d2537b86e23563b4dc47465230b3c1279bd5c411b1a864de38b1332f2b9079

    • SSDEEP

      384:Y/VwiDCXdu3NF3S0P0V2VVSUEEJNcr5+EJNcr5z525f+ofhuSw309RWEd+m0Wio9:Y/Si+Xd0NNbP0V2VMUEEJNcV+EJNcVzg

    Score
    10/10
    remcosremotehostpersistencerat

    • Remcos

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

      ratremcos

    • Blocklisted process makes network request

    • 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

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Resource Development

Reconnaissance

Tasks