General

  • Target

    b4596c0c44e649f8735ca679963b9a362e3a49ed554e82aa8d84c31194480d49

  • Size

    1.1MB

  • Sample

    230528-ydxrragc99

  • MD5

    903d0ab27b6cf9a8359a9497dc8fb50e

  • SHA1

    7b0bd11c99b955702f4b112945da5ffed549addc

  • SHA256

    b4596c0c44e649f8735ca679963b9a362e3a49ed554e82aa8d84c31194480d49

  • SHA512

    4ecf29197f1bcb4aecda5e74c48e12bb47e65fe7bfad3f1441c283f5b3257ac62f93c551a1eb8513929e4efb403debd08957ad0985f1695bb129cfd244afcca0

  • SSDEEP

    24576:UyqwIwJQ6pjzkGQEzgF4ORr1EoZLj63tsvH9AF3l5sdWfdtid/PK9NHk:j/IwKYGZE8Lj63ivdolpfiyH

Malware Config

Extracted

Family

redline

Botnet

liza

C2

83.97.73.127:19045

Attributes
  • auth_value

    198e3e9b188d6cfab0a2b0fb100bb7c5

Extracted

Family

redline

Botnet

metro

C2

83.97.73.127:19045

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

Extracted

Family

redline

Botnet

Redline

C2

85.31.54.183:18435

Attributes
  • auth_value

    50837656cba6e4dd56bfbb4a61dadb63

Targets

    • Target

      b4596c0c44e649f8735ca679963b9a362e3a49ed554e82aa8d84c31194480d49

    • Size

      1.1MB

    • MD5

      903d0ab27b6cf9a8359a9497dc8fb50e

    • SHA1

      7b0bd11c99b955702f4b112945da5ffed549addc

    • SHA256

      b4596c0c44e649f8735ca679963b9a362e3a49ed554e82aa8d84c31194480d49

    • SHA512

      4ecf29197f1bcb4aecda5e74c48e12bb47e65fe7bfad3f1441c283f5b3257ac62f93c551a1eb8513929e4efb403debd08957ad0985f1695bb129cfd244afcca0

    • SSDEEP

      24576:UyqwIwJQ6pjzkGQEzgF4ORr1EoZLj63tsvH9AF3l5sdWfdtid/PK9NHk:j/IwKYGZE8Lj63ivdolpfiyH

    • 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.

    • 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

2
T1112

Disabling Security Tools

1
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