General

  • Target

    1fdf345885dbb2da8eb94512f3f8e09993e056973be0bca5b7e442a51d23d266

  • Size

    625KB

  • Sample

    230604-sfx8eace38

  • MD5

    19c5b936d68583adb5d1b59e2b1987d7

  • SHA1

    e2b389fbbab7e44d707daf75287f110dfb20e16e

  • SHA256

    1fdf345885dbb2da8eb94512f3f8e09993e056973be0bca5b7e442a51d23d266

  • SHA512

    eeb351194d5c692c43f1a71a2078d388b9a1184314e6c1b937b2e642e96fad6c402cc11bfcb377390057ee66bf0f5b22ed9166dba4d4c011557c1a7efa2959b6

  • SSDEEP

    12288:+Mr3y90M7ecSI4IAyThdMJ2emfUPtM+vHxTvQnbg0cvXKKpc1Kcq:xybeX/I9rqZLDvHF/BAq

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

      1fdf345885dbb2da8eb94512f3f8e09993e056973be0bca5b7e442a51d23d266

    • Size

      625KB

    • MD5

      19c5b936d68583adb5d1b59e2b1987d7

    • SHA1

      e2b389fbbab7e44d707daf75287f110dfb20e16e

    • SHA256

      1fdf345885dbb2da8eb94512f3f8e09993e056973be0bca5b7e442a51d23d266

    • SHA512

      eeb351194d5c692c43f1a71a2078d388b9a1184314e6c1b937b2e642e96fad6c402cc11bfcb377390057ee66bf0f5b22ed9166dba4d4c011557c1a7efa2959b6

    • SSDEEP

      12288:+Mr3y90M7ecSI4IAyThdMJ2emfUPtM+vHxTvQnbg0cvXKKpc1Kcq:xybeX/I9rqZLDvHF/BAq

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • 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

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Tasks