Overview

overview

10

Static

static

51cd8a9f4c...b8.exe

windows7-x64

10

51cd8a9f4c...b8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    51cd8a9f4c1a4ef234ad2b69e36415377a4f73afa08f9b69d85f7bdc30d17bb8.exe

  • Size

    1.2MB

  • Sample

    221203-abyz2abc6t

  • MD5

    24f46e6a07749b312571d0ea20f8b343

  • SHA1

    b234bb98d390b044af8be8a40aef651bd273a304

  • SHA256

    51cd8a9f4c1a4ef234ad2b69e36415377a4f73afa08f9b69d85f7bdc30d17bb8

  • SHA512

    e152b7f5049690cf357fb9aba9210d8f0dcffcc354ad18efe871f0af428cf3cbaee1e1e1c1eedfc60b9a4802bad2d63ed73ca1c7883cb365a4836aa73e0f303e

  • SSDEEP

    24576:kTutACnAy0mX6+JANYMVCYDJlsbuSsXzTRjJQJ8pBcO:wutUJGANYMVCYDJlsrEvhJpI

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

      51cd8a9f4c1a4ef234ad2b69e36415377a4f73afa08f9b69d85f7bdc30d17bb8.exe

    • Size

      1.2MB

    • MD5

      24f46e6a07749b312571d0ea20f8b343

    • SHA1

      b234bb98d390b044af8be8a40aef651bd273a304

    • SHA256

      51cd8a9f4c1a4ef234ad2b69e36415377a4f73afa08f9b69d85f7bdc30d17bb8

    • SHA512

      e152b7f5049690cf357fb9aba9210d8f0dcffcc354ad18efe871f0af428cf3cbaee1e1e1c1eedfc60b9a4802bad2d63ed73ca1c7883cb365a4836aa73e0f303e

    • SSDEEP

      24576:kTutACnAy0mX6+JANYMVCYDJlsbuSsXzTRjJQJ8pBcO:wutUJGANYMVCYDJlsrEvhJpI

    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