General

  • Target

    f8e255eef59ce44e71a377c7b433550d59c8078884673cad97b937e1cb370e57

  • Size

    1.1MB

  • Sample

    230529-bkxn1ahe5x

  • MD5

    5896a3d32d0c098783a3328f73180e1c

  • SHA1

    a2dc65bd6929a9ab3198844076db329b2cdb586a

  • SHA256

    f8e255eef59ce44e71a377c7b433550d59c8078884673cad97b937e1cb370e57

  • SHA512

    bd6966afd79b52a3c2b7238eebf0a8277fd2efede24a0b5f46006ff678a01872c186b4d8567ec459e85ea57e7055bab4e0ef606981e792c458f560930553be19

  • SSDEEP

    24576:xybHl/yIGC0v227WyZX5eUnwDUSXnbOrodTDat:kbF/y00v2JyOUnwJbOY

Malware Config

Extracted

Family

redline

Botnet

lizsa

C2

83.97.73.127:19045

Attributes
  • auth_value

    44b0b71b36e78465dbdebb4ecfb78b77

Extracted

Family

redline

Botnet

metro

C2

83.97.73.127:19045

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Extracted

Family

redline

Botnet

Redline

C2

85.31.54.183:18435

Attributes
  • auth_value

    50837656cba6e4dd56bfbb4a61dadb63

Targets

    • Target

      f8e255eef59ce44e71a377c7b433550d59c8078884673cad97b937e1cb370e57

    • Size

      1.1MB

    • MD5

      5896a3d32d0c098783a3328f73180e1c

    • SHA1

      a2dc65bd6929a9ab3198844076db329b2cdb586a

    • SHA256

      f8e255eef59ce44e71a377c7b433550d59c8078884673cad97b937e1cb370e57

    • SHA512

      bd6966afd79b52a3c2b7238eebf0a8277fd2efede24a0b5f46006ff678a01872c186b4d8567ec459e85ea57e7055bab4e0ef606981e792c458f560930553be19

    • SSDEEP

      24576:xybHl/yIGC0v227WyZX5eUnwDUSXnbOrodTDat:kbF/y00v2JyOUnwJbOY

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Downloads MZ/PE file

    • 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