General

  • Target

    0ee05e5c62ae8786f7d318ea48edf16fcc47d6031e13a9dae563ec8efbcb3e56

  • Size

    1.0MB

  • Sample

    221129-15fcwsfg3z

  • MD5

    0be2f1c22f5916d0cdb44ebccc39e18c

  • SHA1

    731b7d2929de2b7d9a1a03f4372f4c5553c8e5ec

  • SHA256

    0ee05e5c62ae8786f7d318ea48edf16fcc47d6031e13a9dae563ec8efbcb3e56

  • SHA512

    2e7f6348723e7d440df93e80bafa31ca4eb4cabf33d584466becce680ad3b596d538dc497fdb09060848b8514b2d9ec5d2b6a4d0d059344619885c334c916dd5

  • SSDEEP

    12288:EOvtwqTEXNkYIYt8+jmfimuZNXO9YM4Dg9Ni8zr0HCUGFiFRSFGM8Ji9up4XyopP:XwqQKYIYW6+18tOqMQcNKF3H2eqiGs

Malware Config

Extracted

Family

remcos

Botnet

Eric-Host

C2

craigjonson91211.freedynamicdns.net:2011

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    wee.exe

  • delete_file

    false

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc-3CS7D1

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    qos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      0ee05e5c62ae8786f7d318ea48edf16fcc47d6031e13a9dae563ec8efbcb3e56

    • Size

      1.0MB

    • MD5

      0be2f1c22f5916d0cdb44ebccc39e18c

    • SHA1

      731b7d2929de2b7d9a1a03f4372f4c5553c8e5ec

    • SHA256

      0ee05e5c62ae8786f7d318ea48edf16fcc47d6031e13a9dae563ec8efbcb3e56

    • SHA512

      2e7f6348723e7d440df93e80bafa31ca4eb4cabf33d584466becce680ad3b596d538dc497fdb09060848b8514b2d9ec5d2b6a4d0d059344619885c334c916dd5

    • SSDEEP

      12288:EOvtwqTEXNkYIYt8+jmfimuZNXO9YM4Dg9Ni8zr0HCUGFiFRSFGM8Ji9up4XyopP:XwqQKYIYW6+18tOqMQcNKF3H2eqiGs

    • Remcos

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

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks