General

  • Target

    fd23e97ad2b792a26e1e7c5a48a098b2ba00c12e8e6e662722be794feeedd3be.exe

  • Size

    1.1MB

  • Sample

    230514-xbktqsdb78

  • MD5

    75b644e2f47823965505f3791db7046d

  • SHA1

    aa10b6cae76ad49689aee6b331a5b431e2019a58

  • SHA256

    fd23e97ad2b792a26e1e7c5a48a098b2ba00c12e8e6e662722be794feeedd3be

  • SHA512

    a1a60f781f8393b8cdeb0ef3c168d081566dfa5f67affd63835940dc9bcb5c014ccc375e81998fefbe2c0df04a319d490eaaace0e7d661fcc9c9d21c871bbc61

  • SSDEEP

    24576:Ky15QghUQSn0y++gPEp2yyAK+/wXYoutnuFsQmGTjt:R15ZUQSn0Ms9yyH+KKuuQzTj

Malware Config

Extracted

Family

redline

Botnet

larry

C2

185.161.248.75:4132

Attributes
  • auth_value

    9039557bb7a08f5f2f60e2b71e1dee0e

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      fd23e97ad2b792a26e1e7c5a48a098b2ba00c12e8e6e662722be794feeedd3be.exe

    • Size

      1.1MB

    • MD5

      75b644e2f47823965505f3791db7046d

    • SHA1

      aa10b6cae76ad49689aee6b331a5b431e2019a58

    • SHA256

      fd23e97ad2b792a26e1e7c5a48a098b2ba00c12e8e6e662722be794feeedd3be

    • SHA512

      a1a60f781f8393b8cdeb0ef3c168d081566dfa5f67affd63835940dc9bcb5c014ccc375e81998fefbe2c0df04a319d490eaaace0e7d661fcc9c9d21c871bbc61

    • SSDEEP

      24576:Ky15QghUQSn0y++gPEp2yyAK+/wXYoutnuFsQmGTjt:R15ZUQSn0Ms9yyH+KKuuQzTj

    • 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