General

  • Target

    b1e44b1f3158b92f6804a7b235c89a4ceac163c29817eaaf6b005699e309d5d1

  • Size

    1.1MB

  • Sample

    230514-vsw7zseh4s

  • MD5

    0d6025fc7077a21e36f4c476abd4ef10

  • SHA1

    d584321accde08b67ba389fee25303cab154a5ee

  • SHA256

    b1e44b1f3158b92f6804a7b235c89a4ceac163c29817eaaf6b005699e309d5d1

  • SHA512

    dc200b712a8157a8eaceba8af257a538981e27c8d319062f25801f96a7ac011ada28734f2618cc72552ddfa9b30170a264f51f699fec386c83e68251bb178781

  • SSDEEP

    24576:UyhLNgm6MqfKPnUXkxpbtL62fkDkjo+7A6QlFyH/deP0I:j1N96XKPnUXkxH9MD0o3odeP

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

      b1e44b1f3158b92f6804a7b235c89a4ceac163c29817eaaf6b005699e309d5d1

    • Size

      1.1MB

    • MD5

      0d6025fc7077a21e36f4c476abd4ef10

    • SHA1

      d584321accde08b67ba389fee25303cab154a5ee

    • SHA256

      b1e44b1f3158b92f6804a7b235c89a4ceac163c29817eaaf6b005699e309d5d1

    • SHA512

      dc200b712a8157a8eaceba8af257a538981e27c8d319062f25801f96a7ac011ada28734f2618cc72552ddfa9b30170a264f51f699fec386c83e68251bb178781

    • SSDEEP

      24576:UyhLNgm6MqfKPnUXkxpbtL62fkDkjo+7A6QlFyH/deP0I:j1N96XKPnUXkxH9MD0o3odeP

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • WSHRAT payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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

Command and Control

Web Service

1
T1102

Tasks