General

  • Target

    bc23bd91b50ec28da0af5e3edf54d93c4ed20012dfe4ed279a5f1b8c25782f5e

  • Size

    779KB

  • Sample

    230603-ky2pjsgf5w

  • MD5

    cdff3d9888ce12367f3be1246d6a415b

  • SHA1

    b2fcfacd22a68bb6754ebefd7c0a04d6196f9767

  • SHA256

    bc23bd91b50ec28da0af5e3edf54d93c4ed20012dfe4ed279a5f1b8c25782f5e

  • SHA512

    71a4ae38e052711102beefe92a9f5f0e4f5b8451dacad4ae70718df1600caa8eeef763171f3386ac264ed19610bb19a4c7d32e4b3a89df01e317d8978c885210

  • SSDEEP

    24576:uyqQfsPEHTNyZbAwJRBth1BkfSf4S9vVxMA7:9VXTNyp4y4S9vs

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19046

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Extracted

Family

redline

Botnet

metro

C2

83.97.73.126:19046

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Targets

    • Target

      bc23bd91b50ec28da0af5e3edf54d93c4ed20012dfe4ed279a5f1b8c25782f5e

    • Size

      779KB

    • MD5

      cdff3d9888ce12367f3be1246d6a415b

    • SHA1

      b2fcfacd22a68bb6754ebefd7c0a04d6196f9767

    • SHA256

      bc23bd91b50ec28da0af5e3edf54d93c4ed20012dfe4ed279a5f1b8c25782f5e

    • SHA512

      71a4ae38e052711102beefe92a9f5f0e4f5b8451dacad4ae70718df1600caa8eeef763171f3386ac264ed19610bb19a4c7d32e4b3a89df01e317d8978c885210

    • SSDEEP

      24576:uyqQfsPEHTNyZbAwJRBth1BkfSf4S9vVxMA7:9VXTNyp4y4S9vs

    • 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