General

  • Target

    16fda8735d2f8829755d321ecf4fb0ac66e09e1476795e3ad535447607fe67ad

  • Size

    625KB

  • Sample

    230604-sd17aadb5s

  • MD5

    7c374eea25f822f162b0a68faec6a9aa

  • SHA1

    be54ec6bde059785437ab94744e82d4e5382cb86

  • SHA256

    16fda8735d2f8829755d321ecf4fb0ac66e09e1476795e3ad535447607fe67ad

  • SHA512

    33c871a95d584ecb4d24c2a6c6da34d0a162e0ee3e5b7549a7eb913974ebdb221342f303015ee6054156ed55a1a43034482d05a1af50ec894f9fe06dbc18f69a

  • SSDEEP

    12288:8Mrhy90yr+uETmENDw3I24J8jEIyBHyQ/y/9Pr1zsGuejI:1ywpTPD+4JbypreejI

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      16fda8735d2f8829755d321ecf4fb0ac66e09e1476795e3ad535447607fe67ad

    • Size

      625KB

    • MD5

      7c374eea25f822f162b0a68faec6a9aa

    • SHA1

      be54ec6bde059785437ab94744e82d4e5382cb86

    • SHA256

      16fda8735d2f8829755d321ecf4fb0ac66e09e1476795e3ad535447607fe67ad

    • SHA512

      33c871a95d584ecb4d24c2a6c6da34d0a162e0ee3e5b7549a7eb913974ebdb221342f303015ee6054156ed55a1a43034482d05a1af50ec894f9fe06dbc18f69a

    • SSDEEP

      12288:8Mrhy90yr+uETmENDw3I24J8jEIyBHyQ/y/9Pr1zsGuejI:1ywpTPD+4JbypreejI

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks