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General

  • Target

    4a66d82b844a1f709517827576b3bf80202d06a992d2dba11884118a77d0849c

  • Size

    1.1MB

  • Sample

    230519-zthhfagb87

  • MD5

    515020a5913793132826e3008485d485

  • SHA1

    2f70e6fd5d216c92e68c303fd7b12f4c7e11882f

  • SHA256

    4a66d82b844a1f709517827576b3bf80202d06a992d2dba11884118a77d0849c

  • SHA512

    ca3d036cc51f7b1962d7e59f2d609edaa17dfb3db4aebb512d8649416a5e791fa0f513bd69c104b20889e53a04124ce01b685c323d8e3ce2ef132018b21217ea

  • SSDEEP

    24576:CyQlKkOopZo+N31cemn6/evJF/Z1LGWLl0HMDR3k8TXE:pYy6Ce312nqMTR5Gel0UR3k8T

Malware Config

Extracted

Family

redline

Botnet

duper

C2

77.91.68.253:19065

Attributes
  • auth_value

    57e17ebbdb18f4882b95fe05402ef1c8

Extracted

Family

redline

Botnet

tetra

C2

77.91.68.253:19065

Attributes
  • auth_value

    a670da04505c7079aada39170f302d16

Targets

    • Target

      4a66d82b844a1f709517827576b3bf80202d06a992d2dba11884118a77d0849c

    • Size

      1.1MB

    • MD5

      515020a5913793132826e3008485d485

    • SHA1

      2f70e6fd5d216c92e68c303fd7b12f4c7e11882f

    • SHA256

      4a66d82b844a1f709517827576b3bf80202d06a992d2dba11884118a77d0849c

    • SHA512

      ca3d036cc51f7b1962d7e59f2d609edaa17dfb3db4aebb512d8649416a5e791fa0f513bd69c104b20889e53a04124ce01b685c323d8e3ce2ef132018b21217ea

    • SSDEEP

      24576:CyQlKkOopZo+N31cemn6/evJF/Z1LGWLl0HMDR3k8TXE:pYy6Ce312nqMTR5Gel0UR3k8T

    • 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.

    • Windows security modification

    • 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 Enterprise v6

Tasks