General

  • Target

    07882099.exe

  • Size

    780KB

  • Sample

    230604-nk69naca82

  • MD5

    03b7546a7b9e9e87641141563329d93c

  • SHA1

    08efab3b93ba546348f2114137916f5b30f97a06

  • SHA256

    6b406f4b572ac5348d0e3059280ae1ab50e92dbc42355b7681c73ecdbc89da7d

  • SHA512

    e12ce25e8d8fe54837d8b0b99553a8219e5d2d7634c88b4270622ddd29f36e5bedb3ce1176fac14f7a5cf8761a6965f5d05cc958e2dc3446d75ca229c33bd2d6

  • SSDEEP

    12288:HMrVy904fkg31/LecvRDpFLcem4WFDXnx+I1V4QkUhkDZAtYf2LAp:iynZL5vFpFL9nWFD3xN1V4bUhkmti

Malware Config

Extracted

Family

redline

Botnet

musa

C2

83.97.73.126:19046

Attributes
  • auth_value

    745cd242a52ab79c9c9026155d62f359

Extracted

Family

redline

Botnet

brain

C2

83.97.73.126:19046

Attributes
  • auth_value

    5fb8269baadec0c49899b9a7a0c8851f

Targets

    • Target

      07882099.exe

    • Size

      780KB

    • MD5

      03b7546a7b9e9e87641141563329d93c

    • SHA1

      08efab3b93ba546348f2114137916f5b30f97a06

    • SHA256

      6b406f4b572ac5348d0e3059280ae1ab50e92dbc42355b7681c73ecdbc89da7d

    • SHA512

      e12ce25e8d8fe54837d8b0b99553a8219e5d2d7634c88b4270622ddd29f36e5bedb3ce1176fac14f7a5cf8761a6965f5d05cc958e2dc3446d75ca229c33bd2d6

    • SSDEEP

      12288:HMrVy904fkg31/LecvRDpFLcem4WFDXnx+I1V4QkUhkDZAtYf2LAp:iynZL5vFpFL9nWFD3xN1V4bUhkmti

    • 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