General

  • Target

    11c9535faa34dc696196ce72f5e2cbc9bfceb848167947c813bfd6e9e78eac58

  • Size

    625KB

  • Sample

    230604-skranace55

  • MD5

    38f1c5fcb0563a9233dd86b23058b7c3

  • SHA1

    0b5973f47f6a75d6060ff24ec154d6084914193b

  • SHA256

    11c9535faa34dc696196ce72f5e2cbc9bfceb848167947c813bfd6e9e78eac58

  • SHA512

    85d43c1385a5c9b050a3f3f96aeadd33c742401306517b25325fb231ea7b1690f49746783a1f9f478c9bac98acd8a4c31f44ab132f3df4d344ea156b52c56da4

  • SSDEEP

    12288:eMr3y90wcpPKVv0qNl9X2WkoF2eRan/X58Dvk:Jy8pPKl0qv9i58Dvk

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

      11c9535faa34dc696196ce72f5e2cbc9bfceb848167947c813bfd6e9e78eac58

    • Size

      625KB

    • MD5

      38f1c5fcb0563a9233dd86b23058b7c3

    • SHA1

      0b5973f47f6a75d6060ff24ec154d6084914193b

    • SHA256

      11c9535faa34dc696196ce72f5e2cbc9bfceb848167947c813bfd6e9e78eac58

    • SHA512

      85d43c1385a5c9b050a3f3f96aeadd33c742401306517b25325fb231ea7b1690f49746783a1f9f478c9bac98acd8a4c31f44ab132f3df4d344ea156b52c56da4

    • SSDEEP

      12288:eMr3y90wcpPKVv0qNl9X2WkoF2eRan/X58Dvk:Jy8pPKl0qv9i58Dvk

    • 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