General

  • Target

    b3c5914d6189871e00bff66b5a940043592b7b7edda2243e6089328741787ff9

  • Size

    1.1MB

  • Sample

    230514-1wnb5sga3t

  • MD5

    04feb02de1000af75c760f672949f803

  • SHA1

    7ed07c6426a7744f86564d97a1ea072260ad06e5

  • SHA256

    b3c5914d6189871e00bff66b5a940043592b7b7edda2243e6089328741787ff9

  • SHA512

    1b765ee107aaccd5142fb9e3683d9ffd4435896df2510f56b5e25a3c2852c950e7ca0e38eaa599f748e7d19ffdb75a8841ee682cd6971e6629a2dd590766e08a

  • SSDEEP

    24576:VytmT5sKSYFgkbDgD2Jpe/aeoOA3ZIEbyG6Z6PXiZCYBp3:wUTQYFggkEp3ekpI9l6PirB

Malware Config

Extracted

Family

redline

Botnet

linda

C2

185.161.248.75:4132

Attributes
  • auth_value

    21cdc21d041667b9c1679f88a1146770

Extracted

Family

redline

Botnet

horor

C2

185.161.248.75:4132

Attributes
  • auth_value

    b8d506fe48db15c38fb031d07f42d529

Targets

    • Target

      b3c5914d6189871e00bff66b5a940043592b7b7edda2243e6089328741787ff9

    • Size

      1.1MB

    • MD5

      04feb02de1000af75c760f672949f803

    • SHA1

      7ed07c6426a7744f86564d97a1ea072260ad06e5

    • SHA256

      b3c5914d6189871e00bff66b5a940043592b7b7edda2243e6089328741787ff9

    • SHA512

      1b765ee107aaccd5142fb9e3683d9ffd4435896df2510f56b5e25a3c2852c950e7ca0e38eaa599f748e7d19ffdb75a8841ee682cd6971e6629a2dd590766e08a

    • SSDEEP

      24576:VytmT5sKSYFgkbDgD2Jpe/aeoOA3ZIEbyG6Z6PXiZCYBp3:wUTQYFggkEp3ekpI9l6PirB

    • 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