General

  • Target

    a4a73dc38d6a938b29b9985690eebd8032c1860dff89aea073eb12fa68a1988c

  • Size

    625KB

  • Sample

    230604-shvkasce46

  • MD5

    324f6f77db5780a8dfb537fe191e33d7

  • SHA1

    d3e696d53d831db0acd466c8f7192891195b0fab

  • SHA256

    a4a73dc38d6a938b29b9985690eebd8032c1860dff89aea073eb12fa68a1988c

  • SHA512

    f1836800af1d05f1c2fdd75484709f188559d38bbb6f25c6f8a1f29eaba280f04b2f5fde5eb805680c15c52725df4609ac09970b9588dff3b2221af9cfbf71bb

  • SSDEEP

    12288:bMrdy90zGJQYXvLzA2Yz07WxNY4I6MsSWX6xpuDVxiLf0a5/COLyI:ey91TG07WxNYGMyqixALsQCOH

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

      a4a73dc38d6a938b29b9985690eebd8032c1860dff89aea073eb12fa68a1988c

    • Size

      625KB

    • MD5

      324f6f77db5780a8dfb537fe191e33d7

    • SHA1

      d3e696d53d831db0acd466c8f7192891195b0fab

    • SHA256

      a4a73dc38d6a938b29b9985690eebd8032c1860dff89aea073eb12fa68a1988c

    • SHA512

      f1836800af1d05f1c2fdd75484709f188559d38bbb6f25c6f8a1f29eaba280f04b2f5fde5eb805680c15c52725df4609ac09970b9588dff3b2221af9cfbf71bb

    • SSDEEP

      12288:bMrdy90zGJQYXvLzA2Yz07WxNY4I6MsSWX6xpuDVxiLf0a5/COLyI:ey91TG07WxNYGMyqixALsQCOH

    • 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