Overview

overview

10

Static

static

10

335b1296fa...64.exe

windows7-x64

10

335b1296fa...64.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    335b1296fa572b01158f7e8ef89c7064

  • Size

    479KB

  • Sample

    220728-rmyxvagea2

  • MD5

    335b1296fa572b01158f7e8ef89c7064

  • SHA1

    4d41f80a6f2082acee991b6fdd830a3ae770ee6f

  • SHA256

    4f660ee7d657778dc8c78514b1fa51f42decdfc61e1d609e6a7286ba2c20c70a

  • SHA512

    a56e720d4ebcd2eab1949a796e6d46a355b6e507cda04f94d118543c95291b13802e24b118f7fe8dff26bc300fb5f7546ee73f9b7f1996453375b585a07b823e

Score
10/10
remcoswindowsaspackv2persistencerat

Malware Config

Extracted

Family

remcos

Botnet

windows

C2

newstub01.duckdns.org:1888

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    systemdll.exe

  • copy_folder

    system

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    system

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    mutex-LK2O9P

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    windows

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Targets

    • Target

      335b1296fa572b01158f7e8ef89c7064

    • Size

      479KB

    • MD5

      335b1296fa572b01158f7e8ef89c7064

    • SHA1

      4d41f80a6f2082acee991b6fdd830a3ae770ee6f

    • SHA256

      4f660ee7d657778dc8c78514b1fa51f42decdfc61e1d609e6a7286ba2c20c70a

    • SHA512

      a56e720d4ebcd2eab1949a796e6d46a355b6e507cda04f94d118543c95291b13802e24b118f7fe8dff26bc300fb5f7546ee73f9b7f1996453375b585a07b823e

    Score
    10/10
    remcoswindowsaspackv2persistencerat

    • Remcos

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

      ratremcos

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • 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
    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