General

  • Target

    e131109319e95f8eddbcaa79aa53a15c27fad55b15da835a2adb1a308f6cd7fa

  • Size

    1021KB

  • Sample

    230519-vcaztaeg62

  • MD5

    4b25f6c336e1353dce07ea8465f6a402

  • SHA1

    230ea22e604fc69d7f9f20292f9e777f86bb14af

  • SHA256

    e131109319e95f8eddbcaa79aa53a15c27fad55b15da835a2adb1a308f6cd7fa

  • SHA512

    7281d482cb22625a69778cec163108bd9e9e09f6a1b378307ed888894bde7588f16e4d67657964842c01ff94d55626ce9458b3909f956b69c278f8c01b2c7f9d

  • SSDEEP

    24576:TyXyvsbCfngyKgxxBPelDQtIS2l3F+J4yjbg:mXh1yKgxfE6Qc3b

Malware Config

Extracted

Family

redline

Botnet

muser

C2

77.91.68.253:19065

Attributes
  • auth_value

    ab307a8e027ba1296455e3d548f168a3

Targets

    • Target

      e131109319e95f8eddbcaa79aa53a15c27fad55b15da835a2adb1a308f6cd7fa

    • Size

      1021KB

    • MD5

      4b25f6c336e1353dce07ea8465f6a402

    • SHA1

      230ea22e604fc69d7f9f20292f9e777f86bb14af

    • SHA256

      e131109319e95f8eddbcaa79aa53a15c27fad55b15da835a2adb1a308f6cd7fa

    • SHA512

      7281d482cb22625a69778cec163108bd9e9e09f6a1b378307ed888894bde7588f16e4d67657964842c01ff94d55626ce9458b3909f956b69c278f8c01b2c7f9d

    • SSDEEP

      24576:TyXyvsbCfngyKgxxBPelDQtIS2l3F+J4yjbg:mXh1yKgxfE6Qc3b

    • 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