General

  • Target

    89da65fecc77b273cbde6ac0ebaf38065c987daf6273570f360595c1019ba4e6

  • Size

    624KB

  • Sample

    230604-r8bz7sce27

  • MD5

    ed3d63e5ec26c6d5221eaaab6116e458

  • SHA1

    94e32ca6fb976337455ae39c994a9e086b62b086

  • SHA256

    89da65fecc77b273cbde6ac0ebaf38065c987daf6273570f360595c1019ba4e6

  • SHA512

    1cb6b1086ae5391b3207494c4d0ccf691c2bb14bb2e468d1eb46f2770babdece057af3650f760f92b24d40aeee298b1044bd0f02926e1647b5c3a982b62da4c3

  • SSDEEP

    12288:HMrcy90F6mRvSJkeGIRKgiLNJSuWhOYcV5ca:7yS6m5yke8guNJSuWhhcV5ca

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

      89da65fecc77b273cbde6ac0ebaf38065c987daf6273570f360595c1019ba4e6

    • Size

      624KB

    • MD5

      ed3d63e5ec26c6d5221eaaab6116e458

    • SHA1

      94e32ca6fb976337455ae39c994a9e086b62b086

    • SHA256

      89da65fecc77b273cbde6ac0ebaf38065c987daf6273570f360595c1019ba4e6

    • SHA512

      1cb6b1086ae5391b3207494c4d0ccf691c2bb14bb2e468d1eb46f2770babdece057af3650f760f92b24d40aeee298b1044bd0f02926e1647b5c3a982b62da4c3

    • SSDEEP

      12288:HMrcy90F6mRvSJkeGIRKgiLNJSuWhOYcV5ca:7yS6m5yke8guNJSuWhhcV5ca

    • 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