General

  • Target

    f733dd64eafa3bde8bb31e1cea4f18683616a8d4d188b92c0d93169a3674d3a3

  • Size

    1.0MB

  • Sample

    230529-y5bctsdd83

  • MD5

    239a5e0f34649d7752781efa1a0322b4

  • SHA1

    1bf85e003d72f86a615946c12b6d1cbde8b77925

  • SHA256

    f733dd64eafa3bde8bb31e1cea4f18683616a8d4d188b92c0d93169a3674d3a3

  • SHA512

    7f71bc2feccc04d1e8635079867c0f76bb678214ee0d057dbf228054974e25ce2ae911e0116323838bde897fa907038ab15a340fd38de57d7d7c7cf42a3e74a2

  • SSDEEP

    24576:zyTeQDal/GTjF3Wki4JN/UlJT6D6XnpmEqV4X:GyQq4xWmJNYJOD6Xpfq4

Malware Config

Extracted

Family

redline

Botnet

lizsa

C2

83.97.73.127:19045

Attributes
  • auth_value

    44b0b71b36e78465dbdebb4ecfb78b77

Extracted

Family

redline

Botnet

metro

C2

83.97.73.127:19045

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Targets

    • Target

      f733dd64eafa3bde8bb31e1cea4f18683616a8d4d188b92c0d93169a3674d3a3

    • Size

      1.0MB

    • MD5

      239a5e0f34649d7752781efa1a0322b4

    • SHA1

      1bf85e003d72f86a615946c12b6d1cbde8b77925

    • SHA256

      f733dd64eafa3bde8bb31e1cea4f18683616a8d4d188b92c0d93169a3674d3a3

    • SHA512

      7f71bc2feccc04d1e8635079867c0f76bb678214ee0d057dbf228054974e25ce2ae911e0116323838bde897fa907038ab15a340fd38de57d7d7c7cf42a3e74a2

    • SSDEEP

      24576:zyTeQDal/GTjF3Wki4JN/UlJT6D6XnpmEqV4X:GyQq4xWmJNYJOD6Xpfq4

    • 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.

    • 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

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks