General

  • Target

    SecuriteInfo.com.W32.AIDetectNet.01.16139.643

  • Size

    949KB

  • Sample

    220830-f6gbcscddr

  • MD5

    769d6a6e9e490d42873ef6deb8a41053

  • SHA1

    85511950356e39426f870e744cfb16dd349ca5cc

  • SHA256

    20d06c9366037f9c7d08d843ddcb74e264accf481dbefd7b1f77669abb4d9be9

  • SHA512

    abbfa855d98651dd6a20ff62fea20aedf41f72c6f97e190d725adf40c49e6dd0a5f023d7b8cb830cfe03dae69502bdc2991e87b57f067be2855848bed3f061b9

  • SSDEEP

    24576:ejZ5S5yNv3b9Z1gZRj8Ky8o6IJuKwl+dpTRkIlRdJ:w5h35EZRj8IuJI4dRRkIlRdJ

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

C2

91.192.100.12:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-JS00ZN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      SecuriteInfo.com.W32.AIDetectNet.01.16139.643

    • Size

      949KB

    • MD5

      769d6a6e9e490d42873ef6deb8a41053

    • SHA1

      85511950356e39426f870e744cfb16dd349ca5cc

    • SHA256

      20d06c9366037f9c7d08d843ddcb74e264accf481dbefd7b1f77669abb4d9be9

    • SHA512

      abbfa855d98651dd6a20ff62fea20aedf41f72c6f97e190d725adf40c49e6dd0a5f023d7b8cb830cfe03dae69502bdc2991e87b57f067be2855848bed3f061b9

    • SSDEEP

      24576:ejZ5S5yNv3b9Z1gZRj8Ky8o6IJuKwl+dpTRkIlRdJ:w5h35EZRj8IuJI4dRRkIlRdJ

    • 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

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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