Resubmissions

18-03-2024 04:17

240318-ewpdjsga35 8

18-03-2024 03:59

240318-ej4mpsfg67 10

General

  • Target

    download

  • Size

    2KB

  • Sample

    240318-ej4mpsfg67

  • MD5

    4e79e21cb97b8518a239e31cf0d11fa3

  • SHA1

    2dff54cdc32d26278d9fe2919ed8bf3566092749

  • SHA256

    b3ab92edbf5f695b8de6a6dc7215b81355071d5919e81e482701e102ca904374

  • SHA512

    94d6729a958c7967ca059a9d6b31d1522e372fc623b4aab4114429b733c0686af306a7166bf02681f8be9ec4b01ccf5d5d17d18e5ca0f087d4fc62889bb4830d

Malware Config

Extracted

Family

redline

Botnet

1

C2

185.125.50.49:7439

Targets

    • Target

      download

    • Size

      2KB

    • MD5

      4e79e21cb97b8518a239e31cf0d11fa3

    • SHA1

      2dff54cdc32d26278d9fe2919ed8bf3566092749

    • SHA256

      b3ab92edbf5f695b8de6a6dc7215b81355071d5919e81e482701e102ca904374

    • SHA512

      94d6729a958c7967ca059a9d6b31d1522e372fc623b4aab4114429b733c0686af306a7166bf02681f8be9ec4b01ccf5d5d17d18e5ca0f087d4fc62889bb4830d

    • RedLine

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

    • RedLine payload

    • UAC bypass

    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

6
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

9
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

1
T1005

Tasks