General

  • Target

    da81cec4bd62cfa042499291c3d161d8a511edc74811eee89d49b7870fcd57cd

  • Size

    1.1MB

  • Sample

    230514-t92y5ace29

  • MD5

    615ecbbaea3211c9b0495f1d0239344d

  • SHA1

    9346ef30e8774242a87112cd0d910381d57401ff

  • SHA256

    da81cec4bd62cfa042499291c3d161d8a511edc74811eee89d49b7870fcd57cd

  • SHA512

    55c6da74dfdab3090a139b9fdd0085bcab2189d2f79dbe232e9e8ea6a231f6516f35bcd0c3b55a65d7e3d514ff774c3a6895423085fb7308d72a5376b5be2dc5

  • SSDEEP

    24576:oyscDw1V8NpuYCWCXHKlHrmWodEEICnIc0REkV:vsckTku7lXHhBuP

Malware Config

Extracted

Family

redline

Botnet

messi

C2

185.161.248.75:4132

Attributes
  • auth_value

    b602b28664bb738e322d37baab91db28

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Targets

    • Target

      da81cec4bd62cfa042499291c3d161d8a511edc74811eee89d49b7870fcd57cd

    • Size

      1.1MB

    • MD5

      615ecbbaea3211c9b0495f1d0239344d

    • SHA1

      9346ef30e8774242a87112cd0d910381d57401ff

    • SHA256

      da81cec4bd62cfa042499291c3d161d8a511edc74811eee89d49b7870fcd57cd

    • SHA512

      55c6da74dfdab3090a139b9fdd0085bcab2189d2f79dbe232e9e8ea6a231f6516f35bcd0c3b55a65d7e3d514ff774c3a6895423085fb7308d72a5376b5be2dc5

    • SSDEEP

      24576:oyscDw1V8NpuYCWCXHKlHrmWodEEICnIc0REkV:vsckTku7lXHhBuP

    • 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

    • 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