General

  • Target

    bb311383a0262412695d656019fd1be92243a377c7a3211924af0921c5bc80d2

  • Size

    1.1MB

  • Sample

    230514-ktm1labd25

  • MD5

    c3e7ef198f1496cdb48fe6ce023c805e

  • SHA1

    1f50cdabe3987e08d4fa4b1ca6f7a274b0973587

  • SHA256

    bb311383a0262412695d656019fd1be92243a377c7a3211924af0921c5bc80d2

  • SHA512

    e2d1adb982a5a726e273e1c5970bae577ba8505a181c6b814f7930bc1d5de5289a896c55ea0b8e80c1c5e95fe02c61ed70a57bfbc31bcabccde465da598db4ae

  • SSDEEP

    24576:My7lg4yl5wR9L363fOBS1gKn3i9NshNGfyjnpP3XW5Y9x4mPav:7+Z5g9D0G01gmuNtfi1HW5bmP

Malware Config

Extracted

Family

redline

Botnet

luka

C2

185.161.248.75:4132

Attributes
  • auth_value

    44560bcd37d6bf076da309730fdb519a

Extracted

Family

redline

Botnet

terra

C2

185.161.248.75:4132

Attributes
  • auth_value

    60df3f535f8aa4e264f78041983592d2

Targets

    • Target

      bb311383a0262412695d656019fd1be92243a377c7a3211924af0921c5bc80d2

    • Size

      1.1MB

    • MD5

      c3e7ef198f1496cdb48fe6ce023c805e

    • SHA1

      1f50cdabe3987e08d4fa4b1ca6f7a274b0973587

    • SHA256

      bb311383a0262412695d656019fd1be92243a377c7a3211924af0921c5bc80d2

    • SHA512

      e2d1adb982a5a726e273e1c5970bae577ba8505a181c6b814f7930bc1d5de5289a896c55ea0b8e80c1c5e95fe02c61ed70a57bfbc31bcabccde465da598db4ae

    • SSDEEP

      24576:My7lg4yl5wR9L363fOBS1gKn3i9NshNGfyjnpP3XW5Y9x4mPav:7+Z5g9D0G01gmuNtfi1HW5bmP

    • 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.

    • Windows security modification

    • 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

3
T1112

Disabling Security Tools

2
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks