General

  • Target

    5dda4f13b7c3c5d572b203bdffbc5bb5d2d992da84a7a45bbb72d8476a19388c

  • Size

    625KB

  • Sample

    230604-sb5rpadb4v

  • MD5

    7e447d7dfe5ec1d7e892584a8ad4c16d

  • SHA1

    318575049d1cfb9bc8301d7c8e50fe78c0568dc2

  • SHA256

    5dda4f13b7c3c5d572b203bdffbc5bb5d2d992da84a7a45bbb72d8476a19388c

  • SHA512

    53c3875f07fc5889eaa7112b256c1e184a5c94dedee879d9c8a26815126e36bb25ffc83511d55bec68f33d5f05dd8b2ea50ec6ad801693b52199c73a7180453e

  • SSDEEP

    12288:AMroy908jy3LNFS+YWvxfOfV2/gfEQYWxvZxU1Ni0CuQsdGH8xoH:4ypaBw6mdcQPf49CuQqGH8xm

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

      5dda4f13b7c3c5d572b203bdffbc5bb5d2d992da84a7a45bbb72d8476a19388c

    • Size

      625KB

    • MD5

      7e447d7dfe5ec1d7e892584a8ad4c16d

    • SHA1

      318575049d1cfb9bc8301d7c8e50fe78c0568dc2

    • SHA256

      5dda4f13b7c3c5d572b203bdffbc5bb5d2d992da84a7a45bbb72d8476a19388c

    • SHA512

      53c3875f07fc5889eaa7112b256c1e184a5c94dedee879d9c8a26815126e36bb25ffc83511d55bec68f33d5f05dd8b2ea50ec6ad801693b52199c73a7180453e

    • SSDEEP

      12288:AMroy908jy3LNFS+YWvxfOfV2/gfEQYWxvZxU1Ni0CuQsdGH8xoH:4ypaBw6mdcQPf49CuQqGH8xm

    • 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