General

  • Target

    5390e4ddeaf8c5da45c71e12b4ceb7ab321868f6340c97ee53631b24d7e32d19

  • Size

    625KB

  • Sample

    230604-s41y7sdc3s

  • MD5

    3d0fa8ab2d0bc93795665fa98be95230

  • SHA1

    5260d6a00e69a988d165e47239dcff9ffafc816e

  • SHA256

    5390e4ddeaf8c5da45c71e12b4ceb7ab321868f6340c97ee53631b24d7e32d19

  • SHA512

    548913f4a4a524bae6162e68a7538015f73f4f348c053105270a352a4c141a5800eb92c37e2ddb5eb6b29b9a74d0507327a75f86a0d9c3d9078449ee237ef51d

  • SSDEEP

    12288:vMrjy90nX4/xKPLRGGL1dgnEFAK7d/nCjj3AsGQjw:8ytcRx1uAAKVC3BF8

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

      5390e4ddeaf8c5da45c71e12b4ceb7ab321868f6340c97ee53631b24d7e32d19

    • Size

      625KB

    • MD5

      3d0fa8ab2d0bc93795665fa98be95230

    • SHA1

      5260d6a00e69a988d165e47239dcff9ffafc816e

    • SHA256

      5390e4ddeaf8c5da45c71e12b4ceb7ab321868f6340c97ee53631b24d7e32d19

    • SHA512

      548913f4a4a524bae6162e68a7538015f73f4f348c053105270a352a4c141a5800eb92c37e2ddb5eb6b29b9a74d0507327a75f86a0d9c3d9078449ee237ef51d

    • SSDEEP

      12288:vMrjy90nX4/xKPLRGGL1dgnEFAK7d/nCjj3AsGQjw:8ytcRx1uAAKVC3BF8

    • 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