General

  • Target

    b7840e90359fe614250bf6c1d082be61af0ee21b25d4b4e2b3c4ffacad17d346

  • Size

    771KB

  • Sample

    230608-rlz4hsgf9w

  • MD5

    436f13e90496bb00b6f0b60612ba4d1e

  • SHA1

    1202c79de486797d46a709dca11064c904491436

  • SHA256

    b7840e90359fe614250bf6c1d082be61af0ee21b25d4b4e2b3c4ffacad17d346

  • SHA512

    cc858eddc8891ebc766daf59a4c6d9a8a2b17a0d0be17cff537809badd1c4b8b263661ee7468c8cf0513303964cb98f914494b21a94b402f1bbc8e7af094e848

  • SSDEEP

    12288:oMrOy907ON4DqbpOlVYBVKMSsF3agAlhcEhBTSRhNKoEyYfz4uRRtS+AfWaaMr:GyhNOqbpOOXasg5h1kTMr4kgu6r

Malware Config

Extracted

Family

redline

Botnet

diza

C2

83.97.73.129:19068

Attributes
  • auth_value

    0d09b419c8bc967f91c68be4a17e92ee

Extracted

Family

redline

Botnet

sheron

C2

83.97.73.129:19068

Attributes
  • auth_value

    2d067e7e2372227d3a03b335260112e9

Targets

    • Target

      b7840e90359fe614250bf6c1d082be61af0ee21b25d4b4e2b3c4ffacad17d346

    • Size

      771KB

    • MD5

      436f13e90496bb00b6f0b60612ba4d1e

    • SHA1

      1202c79de486797d46a709dca11064c904491436

    • SHA256

      b7840e90359fe614250bf6c1d082be61af0ee21b25d4b4e2b3c4ffacad17d346

    • SHA512

      cc858eddc8891ebc766daf59a4c6d9a8a2b17a0d0be17cff537809badd1c4b8b263661ee7468c8cf0513303964cb98f914494b21a94b402f1bbc8e7af094e848

    • SSDEEP

      12288:oMrOy907ON4DqbpOlVYBVKMSsF3agAlhcEhBTSRhNKoEyYfz4uRRtS+AfWaaMr:GyhNOqbpOOXasg5h1kTMr4kgu6r

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

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

    • RedLine payload

    • 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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks