General

  • Target

    e1ec0f932c16fbc40d29d5eaf89e8727f19cc5ef5bc2ca49a585a6388da2baf3

  • Size

    624KB

  • Sample

    230604-r9742adb4t

  • MD5

    66bfceeab674d0b4b23c2b0aa12b94ef

  • SHA1

    7fa4d3aa99b707da9d73b3ec63b1ffa026931b46

  • SHA256

    e1ec0f932c16fbc40d29d5eaf89e8727f19cc5ef5bc2ca49a585a6388da2baf3

  • SHA512

    f99a87c58e075b7ccd391af2d309b6362b5dac862b4c2d3ffa45cbed7c727b1d2cd06f2ecc7339022df5cdc67c22f265c3bafc5f86361eb56fed693d6ddb8a20

  • SSDEEP

    12288:eMr7y90oRJpY4L/slhhAy2GYKkkYWOQIIvFZ8nypNdaN+OSF:VyAE/seGBYWOxI4nyXdy+OSF

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      e1ec0f932c16fbc40d29d5eaf89e8727f19cc5ef5bc2ca49a585a6388da2baf3

    • Size

      624KB

    • MD5

      66bfceeab674d0b4b23c2b0aa12b94ef

    • SHA1

      7fa4d3aa99b707da9d73b3ec63b1ffa026931b46

    • SHA256

      e1ec0f932c16fbc40d29d5eaf89e8727f19cc5ef5bc2ca49a585a6388da2baf3

    • SHA512

      f99a87c58e075b7ccd391af2d309b6362b5dac862b4c2d3ffa45cbed7c727b1d2cd06f2ecc7339022df5cdc67c22f265c3bafc5f86361eb56fed693d6ddb8a20

    • SSDEEP

      12288:eMr7y90oRJpY4L/slhhAy2GYKkkYWOQIIvFZ8nypNdaN+OSF:VyAE/seGBYWOxI4nyXdy+OSF

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks