Overview

overview

10

Static

static

1

6f156a6c66...80.exe

windows7-x64

10

6f156a6c66...80.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6f156a6c661f4b68eb1be00e5a1be53fb80f05af516ef4dcdd7d3e937a1db580.exe

  • Size

    1020KB

  • Sample

    230403-p7hp9aeh26

  • MD5

    3d87e610c1e0855bac84e1a66632afd5

  • SHA1

    998433cdb154c12a50aac7fd3f174bb2da931496

  • SHA256

    6f156a6c661f4b68eb1be00e5a1be53fb80f05af516ef4dcdd7d3e937a1db580

  • SHA512

    e8e091be06cd3c16b84b36b219b5a3980dd529f78c591a35d75c18b2bdd9d811cf978a893cfee47568a74139579266330de04714e2c9f5473824d20a3cc8a21d

  • SSDEEP

    24576:fkkU1nC/RckNg7iDLB/a18rYgaJvw4HTGFmF:fk3C/RckuODL1EgaZwCTV

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

      6f156a6c661f4b68eb1be00e5a1be53fb80f05af516ef4dcdd7d3e937a1db580.exe

    • Size

      1020KB

    • MD5

      3d87e610c1e0855bac84e1a66632afd5

    • SHA1

      998433cdb154c12a50aac7fd3f174bb2da931496

    • SHA256

      6f156a6c661f4b68eb1be00e5a1be53fb80f05af516ef4dcdd7d3e937a1db580

    • SHA512

      e8e091be06cd3c16b84b36b219b5a3980dd529f78c591a35d75c18b2bdd9d811cf978a893cfee47568a74139579266330de04714e2c9f5473824d20a3cc8a21d

    • SSDEEP

      24576:fkkU1nC/RckNg7iDLB/a18rYgaJvw4HTGFmF:fk3C/RckuODL1EgaZwCTV

    Score
    10/10
    remcosxppersistencerat

    • 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.

    • Executes dropped EXE

    • 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