General

  • Target

    b805f9d02e558624ddc15a1ef42af9be6d3a1987b26193fb4f4aa676cc51c88f

  • Size

    624KB

  • Sample

    230604-r2ms5adb2t

  • MD5

    bb9c7942cbfdd501e8b5ee6a2a12e439

  • SHA1

    8df149057b5d49e0dd2e974eaa4b8b2d7bf20af4

  • SHA256

    b805f9d02e558624ddc15a1ef42af9be6d3a1987b26193fb4f4aa676cc51c88f

  • SHA512

    c4e46eb1443d44bcd7f8512a6a7854a823293b9f3f1ffed3e725042d9d3d6c1398596d145f35d53ac1f49a634b652d38b19f81dc75642e3b14fc3880e949ea06

  • SSDEEP

    12288:bMr3y9087QXCrQ4SvmzF6POOUosOjeQtP/0Pw4PH92wBXlNQIQfqgAOZgG:QyUCFZ6PSQp6PHdBXlO/zAOZgG

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

      b805f9d02e558624ddc15a1ef42af9be6d3a1987b26193fb4f4aa676cc51c88f

    • Size

      624KB

    • MD5

      bb9c7942cbfdd501e8b5ee6a2a12e439

    • SHA1

      8df149057b5d49e0dd2e974eaa4b8b2d7bf20af4

    • SHA256

      b805f9d02e558624ddc15a1ef42af9be6d3a1987b26193fb4f4aa676cc51c88f

    • SHA512

      c4e46eb1443d44bcd7f8512a6a7854a823293b9f3f1ffed3e725042d9d3d6c1398596d145f35d53ac1f49a634b652d38b19f81dc75642e3b14fc3880e949ea06

    • SSDEEP

      12288:bMr3y9087QXCrQ4SvmzF6POOUosOjeQtP/0Pw4PH92wBXlNQIQfqgAOZgG:QyUCFZ6PSQp6PHdBXlO/zAOZgG

    • 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