General

  • Target

    68dfe379617980e85f32b007d106d694dc3b2cc1d66a5bf78174be42ef35db55

  • Size

    625KB

  • Sample

    230604-sfxxmsce37

  • MD5

    ce5da1ccab179048b5598bc9c166475e

  • SHA1

    89dc0810cfcaca07dab5ce5ce6fb8687b9213b73

  • SHA256

    68dfe379617980e85f32b007d106d694dc3b2cc1d66a5bf78174be42ef35db55

  • SHA512

    6e166489fbb1b43cd360a2e27b712730ceee89dfd3669199a29d5d0a03560d1142b9220710daa311908d1de6f4e431ed93bd3498e4de229ee58731b8c835fd53

  • SSDEEP

    12288:9MrCy90QIgF7mRDbHqBY8jPI/lh7TMvtigrtS3lJCs/Ej0ZNz:TykgobMYePCT7St/gv/fR

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

      68dfe379617980e85f32b007d106d694dc3b2cc1d66a5bf78174be42ef35db55

    • Size

      625KB

    • MD5

      ce5da1ccab179048b5598bc9c166475e

    • SHA1

      89dc0810cfcaca07dab5ce5ce6fb8687b9213b73

    • SHA256

      68dfe379617980e85f32b007d106d694dc3b2cc1d66a5bf78174be42ef35db55

    • SHA512

      6e166489fbb1b43cd360a2e27b712730ceee89dfd3669199a29d5d0a03560d1142b9220710daa311908d1de6f4e431ed93bd3498e4de229ee58731b8c835fd53

    • SSDEEP

      12288:9MrCy90QIgF7mRDbHqBY8jPI/lh7TMvtigrtS3lJCs/Ej0ZNz:TykgobMYePCT7St/gv/fR

    • 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