General

  • Target

    58dd74be00f9f4aee71592466446b7664ea57418eda8eb643e1400bf2518a45f

  • Size

    137KB

  • Sample

    221001-jjy5fafff6

  • MD5

    adf162028e5b01840010d1a79ae6bdf1

  • SHA1

    9ce0e40ae78fa71ab43f4e8acf2d855b0ea7ebcd

  • SHA256

    58dd74be00f9f4aee71592466446b7664ea57418eda8eb643e1400bf2518a45f

  • SHA512

    30e27bd75a588b03f086a93d5f4d759a386b043c30caeddbb226921bb8ce3392334c9d4e901f6662e6307702ffe7ca5d79724645e80819f64b3a0a9641946fa0

  • SSDEEP

    3072:VYO/ZMTFlxUI5rUdiKSk42oxKaVgDF0pRXqh1SS4i:VYMZMBlxUI6f42oxKV2Bqh

Malware Config

Extracted

Family

redline

Botnet

LUPEFOX

C2

o0l0j0jo.webredirect.org:28532

Attributes
  • auth_value

    90194e50cef153fc9816a29fd46b6637

Extracted

Family

remcos

Botnet

Firefox

C2

elew3le3lanle.freeddns.org:20309

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Firefox

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    false

  • install_flag

    true

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-Z26APQ

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Firefox

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Targets

    • Target

      58dd74be00f9f4aee71592466446b7664ea57418eda8eb643e1400bf2518a45f

    • Size

      137KB

    • MD5

      adf162028e5b01840010d1a79ae6bdf1

    • SHA1

      9ce0e40ae78fa71ab43f4e8acf2d855b0ea7ebcd

    • SHA256

      58dd74be00f9f4aee71592466446b7664ea57418eda8eb643e1400bf2518a45f

    • SHA512

      30e27bd75a588b03f086a93d5f4d759a386b043c30caeddbb226921bb8ce3392334c9d4e901f6662e6307702ffe7ca5d79724645e80819f64b3a0a9641946fa0

    • SSDEEP

      3072:VYO/ZMTFlxUI5rUdiKSk42oxKaVgDF0pRXqh1SS4i:VYMZMBlxUI6f42oxKV2Bqh

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook accounts

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks