General

  • Target

    9570ff0e554f5e55488aa20e5efeb6c2325bc4e1b188b12431c9429545f5bf71

  • Size

    623KB

  • Sample

    230604-tyttdacf82

  • MD5

    a9f20447baaea4abd97135bc515c46cc

  • SHA1

    57cee3d07f631f59af719891d0d2f97bca7b83df

  • SHA256

    9570ff0e554f5e55488aa20e5efeb6c2325bc4e1b188b12431c9429545f5bf71

  • SHA512

    71316960466360b186112c522c421fabb72201c13c9e3753d73fd2cdc3c3cb693df10a8a57ec304a2b74bf188607cf3311e320e5255fcddcae962f8794783ec8

  • SSDEEP

    12288:wMrHy900QH3iIxjdUzhxcLaDSYJeLIzgy2RX+Xzocz+Tuyq/qnU:ny1MPxpUNxcaJJQMYX+XBBySEU

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

      9570ff0e554f5e55488aa20e5efeb6c2325bc4e1b188b12431c9429545f5bf71

    • Size

      623KB

    • MD5

      a9f20447baaea4abd97135bc515c46cc

    • SHA1

      57cee3d07f631f59af719891d0d2f97bca7b83df

    • SHA256

      9570ff0e554f5e55488aa20e5efeb6c2325bc4e1b188b12431c9429545f5bf71

    • SHA512

      71316960466360b186112c522c421fabb72201c13c9e3753d73fd2cdc3c3cb693df10a8a57ec304a2b74bf188607cf3311e320e5255fcddcae962f8794783ec8

    • SSDEEP

      12288:wMrHy900QH3iIxjdUzhxcLaDSYJeLIzgy2RX+Xzocz+Tuyq/qnU:ny1MPxpUNxcaJJQMYX+XBBySEU

    • 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