General

  • Target

    688eebac37bb9694c4d029a9ecabc4ce3de4ff80dd232735a5e025654fe990ce

  • Size

    624KB

  • Sample

    230604-r71l6sdb3y

  • MD5

    2d7e22b96e015ad22bfcb2b3073540fe

  • SHA1

    c3f55ded5d22e62f78ea03ec0236cf15e13382eb

  • SHA256

    688eebac37bb9694c4d029a9ecabc4ce3de4ff80dd232735a5e025654fe990ce

  • SHA512

    ed796572c845df91bb41678d6595dbb9a8702266e8bdef1877cd2cab48dc3e54a7e390210e19a56f289450c31779e9c7c405287bf690270304b371aaca0b7b05

  • SSDEEP

    12288:RMrBy90nl0kvG1dFiSFGGDuuGp8eX1rR8qOVZYnyCsxscoqq9:UyUvvcPjF5DuupyR89e19V9

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

      688eebac37bb9694c4d029a9ecabc4ce3de4ff80dd232735a5e025654fe990ce

    • Size

      624KB

    • MD5

      2d7e22b96e015ad22bfcb2b3073540fe

    • SHA1

      c3f55ded5d22e62f78ea03ec0236cf15e13382eb

    • SHA256

      688eebac37bb9694c4d029a9ecabc4ce3de4ff80dd232735a5e025654fe990ce

    • SHA512

      ed796572c845df91bb41678d6595dbb9a8702266e8bdef1877cd2cab48dc3e54a7e390210e19a56f289450c31779e9c7c405287bf690270304b371aaca0b7b05

    • SSDEEP

      12288:RMrBy90nl0kvG1dFiSFGGDuuGp8eX1rR8qOVZYnyCsxscoqq9:UyUvvcPjF5DuupyR89e19V9

    • 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