General

  • Target

    c839c7ccff1533686a0defb4416a674462f3b4986512727c4ff978b8c9b8bd04

  • Size

    779KB

  • Sample

    230528-q9njysff8z

  • MD5

    46ec7ba05872acfc73348155a0b4a23f

  • SHA1

    6d2527804959830b44487244778c7c290a322bf4

  • SHA256

    c839c7ccff1533686a0defb4416a674462f3b4986512727c4ff978b8c9b8bd04

  • SHA512

    533de6ba8b645066783e4ff69ca78ca95a1f8df4b3509fda28e2ffe6e1203993ae76edbe3d83dbb0b134ab0ebb495b1f18c0d52925ba62331923d0c2e8d5526a

  • SSDEEP

    12288:4Mrky90y82wj9X5vOQ4qZWJFJ3afLbxFz0ar3GsjJ1zUp2E1SSdKQeTtUeFYyNu1:syDUnGjIWbJu0U33jfEJdYFTk1

Malware Config

Extracted

Family

redline

Botnet

diza

C2

83.97.73.127:19045

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

Extracted

Family

redline

Botnet

mirko

C2

83.97.73.127:19062

Attributes
  • auth_value

    35111a095377107ec8b7d3e035831af8

Targets

    • Target

      c839c7ccff1533686a0defb4416a674462f3b4986512727c4ff978b8c9b8bd04

    • Size

      779KB

    • MD5

      46ec7ba05872acfc73348155a0b4a23f

    • SHA1

      6d2527804959830b44487244778c7c290a322bf4

    • SHA256

      c839c7ccff1533686a0defb4416a674462f3b4986512727c4ff978b8c9b8bd04

    • SHA512

      533de6ba8b645066783e4ff69ca78ca95a1f8df4b3509fda28e2ffe6e1203993ae76edbe3d83dbb0b134ab0ebb495b1f18c0d52925ba62331923d0c2e8d5526a

    • SSDEEP

      12288:4Mrky90y82wj9X5vOQ4qZWJFJ3afLbxFz0ar3GsjJ1zUp2E1SSdKQeTtUeFYyNu1:syDUnGjIWbJu0U33jfEJdYFTk1

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • Downloads MZ/PE file

    • 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