Overview

overview

10

Static

static

fd0e549414...b1.exe

windows7-x64

10

fd0e549414...b1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fd0e549414dc04399f330542472c54b1.exe

  • Size

    1.1MB

  • Sample

    221022-g2l7gsbba3

  • MD5

    fd0e549414dc04399f330542472c54b1

  • SHA1

    4480c47022f9318f8745a7c9ed276df235303c3a

  • SHA256

    fccf5521a09be0f003c6415ee7c87cd98cd109511ef7f79990e4386fcca0ae25

  • SHA512

    e42ba3f00ffc01327ae17b0661fefd84ea54a1b160997f24b90b62ce9341e4adbddc5d879bf56e13ff35083c60a209ffe7e539d5fc0215dcf197f66cb8a0e69d

  • SSDEEP

    24576:IX+kYOD14qz/3ohrxSco/oQVQ64Wbuf3oIauxPpLnSlF:KYOD14SQQ0fPo7u7nkF

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

      fd0e549414dc04399f330542472c54b1.exe

    • Size

      1.1MB

    • MD5

      fd0e549414dc04399f330542472c54b1

    • SHA1

      4480c47022f9318f8745a7c9ed276df235303c3a

    • SHA256

      fccf5521a09be0f003c6415ee7c87cd98cd109511ef7f79990e4386fcca0ae25

    • SHA512

      e42ba3f00ffc01327ae17b0661fefd84ea54a1b160997f24b90b62ce9341e4adbddc5d879bf56e13ff35083c60a209ffe7e539d5fc0215dcf197f66cb8a0e69d

    • SSDEEP

      24576:IX+kYOD14qz/3ohrxSco/oQVQ64Wbuf3oIauxPpLnSlF:KYOD14SQQ0fPo7u7nkF

    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