General

  • Target

    64bda935efc59c0a4112585cb7687635b3964fbd6d0211bf4dc16c8481d53919

  • Size

    625KB

  • Sample

    230604-s8rlbsdc4s

  • MD5

    195e65e4d36181196657814dbace3593

  • SHA1

    5c222cdf1671133cee3238ad7fd71a2d2d46da7f

  • SHA256

    64bda935efc59c0a4112585cb7687635b3964fbd6d0211bf4dc16c8481d53919

  • SHA512

    eccdd6f3b2fbddaae0f8e23a30f4737439dc5633e854da5a85a4e4dfe49480953f498d3517c2a25469ef3f0b0e05539849d1e4232f491a7b6aada7d629d8bbdb

  • SSDEEP

    12288:FMrPy90CtjUwXUMhD/XLfLSYN95V4IRfq4Qh77+hNIpBN:Oy7DXUMV/XvJr5V4IRfY7+hebN

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

      64bda935efc59c0a4112585cb7687635b3964fbd6d0211bf4dc16c8481d53919

    • Size

      625KB

    • MD5

      195e65e4d36181196657814dbace3593

    • SHA1

      5c222cdf1671133cee3238ad7fd71a2d2d46da7f

    • SHA256

      64bda935efc59c0a4112585cb7687635b3964fbd6d0211bf4dc16c8481d53919

    • SHA512

      eccdd6f3b2fbddaae0f8e23a30f4737439dc5633e854da5a85a4e4dfe49480953f498d3517c2a25469ef3f0b0e05539849d1e4232f491a7b6aada7d629d8bbdb

    • SSDEEP

      12288:FMrPy90CtjUwXUMhD/XLfLSYN95V4IRfq4Qh77+hNIpBN:Oy7DXUMV/XvJr5V4IRfY7+hebN

    • 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