General

  • Target

    112a3b38ab92ba9ccc44bd7215974ab4efa7aaf8432dd2416fd36f8c5bf56a05

  • Size

    1.0MB

  • Sample

    230522-w9zvwacg6t

  • MD5

    14c364fb7c1a58f417dcaab6fce2455b

  • SHA1

    a99e28c6bf3584ee34d28d0950f6f308796b076d

  • SHA256

    112a3b38ab92ba9ccc44bd7215974ab4efa7aaf8432dd2416fd36f8c5bf56a05

  • SHA512

    d5747cbc0e6759d10dbecef57c6d43f923b46c3b0df71b09200129dcf979f13105ac1d05bec119184689ac55ae7a88d0e97d3c773537d06f6e39140fac835f8f

  • SSDEEP

    24576:JyPZxe0JLfD+qvg+axtrpUD+ELoHSLisGD518FEXJEI:8PZE0h7w+abC6EPisGt18FgG

Malware Config

Extracted

Family

redline

Botnet

dix

C2

77.91.124.251:19065

Attributes
  • auth_value

    9b544b3d9c88af32e2f5bf8705f9a2fb

Targets

    • Target

      112a3b38ab92ba9ccc44bd7215974ab4efa7aaf8432dd2416fd36f8c5bf56a05

    • Size

      1.0MB

    • MD5

      14c364fb7c1a58f417dcaab6fce2455b

    • SHA1

      a99e28c6bf3584ee34d28d0950f6f308796b076d

    • SHA256

      112a3b38ab92ba9ccc44bd7215974ab4efa7aaf8432dd2416fd36f8c5bf56a05

    • SHA512

      d5747cbc0e6759d10dbecef57c6d43f923b46c3b0df71b09200129dcf979f13105ac1d05bec119184689ac55ae7a88d0e97d3c773537d06f6e39140fac835f8f

    • SSDEEP

      24576:JyPZxe0JLfD+qvg+axtrpUD+ELoHSLisGD518FEXJEI:8PZE0h7w+abC6EPisGt18FgG

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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