General

  • Target

    1c62e52a223a41536bc33777776205a14e68a21ebf958b0119230b1b19079b61

  • Size

    625KB

  • Sample

    230604-r97hhadb4s

  • MD5

    85ba49a709750b7686095bb398c2741e

  • SHA1

    1712ded44790292347118ba6de300316e477cda6

  • SHA256

    1c62e52a223a41536bc33777776205a14e68a21ebf958b0119230b1b19079b61

  • SHA512

    ffabd44486caf66664d012e88ca1feba73402437649fd4857c3518de842b8b5c791c2355633ec38fce850d06dcd5c25ad8cd1af928bc8baf480c419ece0bdd47

  • SSDEEP

    12288:kMr7y90p349nLSYVg4IziK95fAUlIkVt33wGErp6bOtxEk9DIuVXnUiil:Py0AnLRVqN/aGErp6bODIuVXUTl

Malware Config

Extracted

Family

redline

Botnet

dusa

C2

83.97.73.126:19046

Attributes
  • auth_value

    ee896466545fedf9de5406175fb82de5

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      1c62e52a223a41536bc33777776205a14e68a21ebf958b0119230b1b19079b61

    • Size

      625KB

    • MD5

      85ba49a709750b7686095bb398c2741e

    • SHA1

      1712ded44790292347118ba6de300316e477cda6

    • SHA256

      1c62e52a223a41536bc33777776205a14e68a21ebf958b0119230b1b19079b61

    • SHA512

      ffabd44486caf66664d012e88ca1feba73402437649fd4857c3518de842b8b5c791c2355633ec38fce850d06dcd5c25ad8cd1af928bc8baf480c419ece0bdd47

    • SSDEEP

      12288:kMr7y90p349nLSYVg4IziK95fAUlIkVt33wGErp6bOtxEk9DIuVXnUiil:Py0AnLRVqN/aGErp6bODIuVXUTl

    • 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.

    • 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