General

  • Target

    779d4e4371cb916b2dbd12a91a9ef62d985ec217cce36f4a7feae2aa6a75ccee

  • Size

    1020KB

  • Sample

    230519-gsbz6afd29

  • MD5

    0ce4ff8e19555045fc78cd3ed2517f8b

  • SHA1

    b36f91192ea7538695aa98f86d9b7f694078dcfa

  • SHA256

    779d4e4371cb916b2dbd12a91a9ef62d985ec217cce36f4a7feae2aa6a75ccee

  • SHA512

    6ff96a6b6307216c41fc6be509c7b2bd347999b58630cc7757f92a7de6f082ed42147635321905a69bc0a83d786867866c509a8b2acd0285d8888984e00d84fd

  • SSDEEP

    24576:FyAJl/OhWRkmuBb6fADuabwPWnJA9nQoa2sLqd:gAJUQMBpuab6PntYq

Malware Config

Extracted

Family

redline

Botnet

dolz

C2

77.91.68.253:41783

Attributes
  • auth_value

    91a052e7685b96dcfc2defe95d9affb8

Targets

    • Target

      779d4e4371cb916b2dbd12a91a9ef62d985ec217cce36f4a7feae2aa6a75ccee

    • Size

      1020KB

    • MD5

      0ce4ff8e19555045fc78cd3ed2517f8b

    • SHA1

      b36f91192ea7538695aa98f86d9b7f694078dcfa

    • SHA256

      779d4e4371cb916b2dbd12a91a9ef62d985ec217cce36f4a7feae2aa6a75ccee

    • SHA512

      6ff96a6b6307216c41fc6be509c7b2bd347999b58630cc7757f92a7de6f082ed42147635321905a69bc0a83d786867866c509a8b2acd0285d8888984e00d84fd

    • SSDEEP

      24576:FyAJl/OhWRkmuBb6fADuabwPWnJA9nQoa2sLqd:gAJUQMBpuab6PntYq

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • 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