General

  • Target

    75f5f8d3f81ccf6a8c7203ad923df65c7650d004a0a45e235db8c1cb100e1e5d

  • Size

    777KB

  • Sample

    230604-crrl1abc71

  • MD5

    97aa2c746044d77e574f8c76578aaa20

  • SHA1

    f27a614acad1fcea68a681a9c96acc2e85c51c1f

  • SHA256

    75f5f8d3f81ccf6a8c7203ad923df65c7650d004a0a45e235db8c1cb100e1e5d

  • SHA512

    be7cdce4141d382937b488fceaecb444f9888299acbb984f23db4fa918fa8cb2a179a23cdc9c02818ce55b18e6bdf5e6ff6a7530fdce5ee17bac1d4ac50c1f59

  • SSDEEP

    12288:sMrKy90yA51l4/SQIfhuywTLtBSY2p67z0QL3QKXLzTLQD0D3s6vAnswti+A5:myyf5f6DJz7bb/TLTspnpA5

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

      75f5f8d3f81ccf6a8c7203ad923df65c7650d004a0a45e235db8c1cb100e1e5d

    • Size

      777KB

    • MD5

      97aa2c746044d77e574f8c76578aaa20

    • SHA1

      f27a614acad1fcea68a681a9c96acc2e85c51c1f

    • SHA256

      75f5f8d3f81ccf6a8c7203ad923df65c7650d004a0a45e235db8c1cb100e1e5d

    • SHA512

      be7cdce4141d382937b488fceaecb444f9888299acbb984f23db4fa918fa8cb2a179a23cdc9c02818ce55b18e6bdf5e6ff6a7530fdce5ee17bac1d4ac50c1f59

    • SSDEEP

      12288:sMrKy90yA51l4/SQIfhuywTLtBSY2p67z0QL3QKXLzTLQD0D3s6vAnswti+A5:myyf5f6DJz7bb/TLTspnpA5

    • 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 Enterprise v6

Tasks