Overview

overview

10

Static

static

90b7fc34be...6a.exe

windows7-x64

10

90b7fc34be...6a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    90b7fc34be5837101ff125bdbe99806a

  • Size

    860KB

  • Sample

    220728-t78nwshdb8

  • MD5

    90b7fc34be5837101ff125bdbe99806a

  • SHA1

    43a733cb58aaefffefec0720f1b93dae766a09e1

  • SHA256

    703b4d505cd05c228e0cf681a542262dc98211cf2e4eb26102283b5b7efa29ee

  • SHA512

    dd590eaad5b95ac4b703d5c36a367fc0517d33408b8f35218a341710411931bac51b97d3f12cbf26e1ba5deacaf8b3ae7390f108524f9a43b5bad3c8e2689658

Score
10/10
remcosxppersistencerat

Malware Config

Extracted

Family

remcos

Botnet

XP

C2

xpremcuz300622.ddns.net:3542

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    oos.exe

  • 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

  • mouse_option

    false

  • mutex

    Remcos-MMP2I7

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    kkl

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      90b7fc34be5837101ff125bdbe99806a

    • Size

      860KB

    • MD5

      90b7fc34be5837101ff125bdbe99806a

    • SHA1

      43a733cb58aaefffefec0720f1b93dae766a09e1

    • SHA256

      703b4d505cd05c228e0cf681a542262dc98211cf2e4eb26102283b5b7efa29ee

    • SHA512

      dd590eaad5b95ac4b703d5c36a367fc0517d33408b8f35218a341710411931bac51b97d3f12cbf26e1ba5deacaf8b3ae7390f108524f9a43b5bad3c8e2689658

    Score
    10/10
    remcosxppersistencerat

    • Remcos

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

      ratremcos

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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