General

  • Target

    x2912575.exe

  • Size

    767KB

  • Sample

    230919-hmpvhahd75

  • MD5

    ab7e3a265dea34fa770b3392004e1b86

  • SHA1

    70da38b6f11dd3986dc3577d4cc598a2829ca1d9

  • SHA256

    38c0972c66d8966dcf5304e27521219fe8e4c5d20571866c15215ccfb80c65e1

  • SHA512

    a2b1eaba2a4993abb238f0183c9bd6d4677494cf57a2f068f6912fb4227d0e77eeb9fd0fd68b52182268f7de8d78a54988d2950c341847a482f9b64479be33a9

  • SSDEEP

    12288:VMrsy90W9Zxd7U0xJ17h2S4u0ecANQrXHRoRT0SAQVRbd8IXtFya9dOyvUIVqVJN:9yhbY0Xjx0cuHuRYSAQPNdViJgrQ

Malware Config

Extracted

Family

redline

Botnet

black

C2

77.91.124.82:19071

Attributes
  • auth_value

    c5887216cebc5a219113738140bc3047

Targets

    • Target

      x2912575.exe

    • Size

      767KB

    • MD5

      ab7e3a265dea34fa770b3392004e1b86

    • SHA1

      70da38b6f11dd3986dc3577d4cc598a2829ca1d9

    • SHA256

      38c0972c66d8966dcf5304e27521219fe8e4c5d20571866c15215ccfb80c65e1

    • SHA512

      a2b1eaba2a4993abb238f0183c9bd6d4677494cf57a2f068f6912fb4227d0e77eeb9fd0fd68b52182268f7de8d78a54988d2950c341847a482f9b64479be33a9

    • SSDEEP

      12288:VMrsy90W9Zxd7U0xJ17h2S4u0ecANQrXHRoRT0SAQVRbd8IXtFya9dOyvUIVqVJN:9yhbY0Xjx0cuHuRYSAQPNdViJgrQ

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Tasks