General

  • Target

    90d4fe8a63ff4e88574c84e09e0c1c6f8a1cb1d28b572bed8b4ef52bdae30c83

  • Size

    771KB

  • Sample

    230608-rpvyzaga53

  • MD5

    45db3ccb51cf70afc5c6dda002538255

  • SHA1

    1c0519ff9e1cf149b066eba0c282e1dcf1cb2891

  • SHA256

    90d4fe8a63ff4e88574c84e09e0c1c6f8a1cb1d28b572bed8b4ef52bdae30c83

  • SHA512

    2aff454a3a1af6c7fb2d7f6329d963a3821ebea45a26877751388c4dd0ea8aa3df3bba483721f622fdf0ed607ca90e6be5738d9d1f9017878cea83e7abe632bc

  • SSDEEP

    12288:zMrvy90oCPvk96e04+GM0DVhrREOqN30i6tWrbW+nvWy02JeIj9is:YyTB8GZRnqNet5v8ms

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.129:19068

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Extracted

Family

redline

Botnet

sheron

C2

83.97.73.129:19068

Attributes
  • auth_value

    2d067e7e2372227d3a03b335260112e9

Targets

    • Target

      90d4fe8a63ff4e88574c84e09e0c1c6f8a1cb1d28b572bed8b4ef52bdae30c83

    • Size

      771KB

    • MD5

      45db3ccb51cf70afc5c6dda002538255

    • SHA1

      1c0519ff9e1cf149b066eba0c282e1dcf1cb2891

    • SHA256

      90d4fe8a63ff4e88574c84e09e0c1c6f8a1cb1d28b572bed8b4ef52bdae30c83

    • SHA512

      2aff454a3a1af6c7fb2d7f6329d963a3821ebea45a26877751388c4dd0ea8aa3df3bba483721f622fdf0ed607ca90e6be5738d9d1f9017878cea83e7abe632bc

    • SSDEEP

      12288:zMrvy90oCPvk96e04+GM0DVhrREOqN30i6tWrbW+nvWy02JeIj9is:YyTB8GZRnqNet5v8ms

    • 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

    • 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

3
T1112

Disabling Security Tools

2
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