General

  • Target

    fb74d6f918c6fa811b685c62d46c82f9e65ef5c3644b25b5a4e1216de7db0950

  • Size

    1.1MB

  • Sample

    230514-t7d5aaeg5x

  • MD5

    e7d2d12785d8e6615185e7781553de44

  • SHA1

    c59229ece05fbf9a5d78097abb370729ac8203d1

  • SHA256

    fb74d6f918c6fa811b685c62d46c82f9e65ef5c3644b25b5a4e1216de7db0950

  • SHA512

    1782bdf5f18fe09199676777645a5fc42b3f6d7ba561d6aac1e7f97dff41c20186cf5af7c601793d8521c4c8f396bb17f9855440ae7c0106cc3ab8fadf454ba7

  • SSDEEP

    24576:fydjVfPxQtaD6cLvLG1/aLHTa9aPhhwM/XjZ4:qlVfPWGFLvLS/kpzB/X1

Malware Config

Extracted

Family

redline

Botnet

larry

C2

185.161.248.75:4132

Attributes
  • auth_value

    9039557bb7a08f5f2f60e2b71e1dee0e

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Extracted

Family

redline

C2

37.220.87.13:48790

Attributes
  • auth_value

    99262e812dcb95475f78d93e77141920

Targets

    • Target

      fb74d6f918c6fa811b685c62d46c82f9e65ef5c3644b25b5a4e1216de7db0950

    • Size

      1.1MB

    • MD5

      e7d2d12785d8e6615185e7781553de44

    • SHA1

      c59229ece05fbf9a5d78097abb370729ac8203d1

    • SHA256

      fb74d6f918c6fa811b685c62d46c82f9e65ef5c3644b25b5a4e1216de7db0950

    • SHA512

      1782bdf5f18fe09199676777645a5fc42b3f6d7ba561d6aac1e7f97dff41c20186cf5af7c601793d8521c4c8f396bb17f9855440ae7c0106cc3ab8fadf454ba7

    • SSDEEP

      24576:fydjVfPxQtaD6cLvLG1/aLHTa9aPhhwM/XjZ4:qlVfPWGFLvLS/kpzB/X1

    • 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.

    • 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