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General

  • Target

    7bd6c15cd40f0a7a32b1082b04c00393d5660df62a3762f4e9814d1866ac3c78

  • Size

    1.0MB

  • Sample

    230519-tvsrxaef74

  • MD5

    60171fa06fc93113c5092395da04efba

  • SHA1

    e7d6a4958e19a70b7172ecd8d21de83d33bdc00f

  • SHA256

    7bd6c15cd40f0a7a32b1082b04c00393d5660df62a3762f4e9814d1866ac3c78

  • SHA512

    1148cafeea2a134b7442b25ce1d8f23d3c41389025dcc80f6849861a0c1577852416ae66f6662a4420f166994af28fcaa1722bcfa31f2966918419f6bcac1768

  • SSDEEP

    24576:Cyo3xCnbslnFPj172aFr8vS9mc0AgF8HTnCi/:p2xCnQFFPj17FNeS9XgFmTnCi

Malware Config

Extracted

Family

redline

Botnet

muser

C2

77.91.68.253:19065

Attributes
  • auth_value

    ab307a8e027ba1296455e3d548f168a3

Targets

    • Target

      7bd6c15cd40f0a7a32b1082b04c00393d5660df62a3762f4e9814d1866ac3c78

    • Size

      1.0MB

    • MD5

      60171fa06fc93113c5092395da04efba

    • SHA1

      e7d6a4958e19a70b7172ecd8d21de83d33bdc00f

    • SHA256

      7bd6c15cd40f0a7a32b1082b04c00393d5660df62a3762f4e9814d1866ac3c78

    • SHA512

      1148cafeea2a134b7442b25ce1d8f23d3c41389025dcc80f6849861a0c1577852416ae66f6662a4420f166994af28fcaa1722bcfa31f2966918419f6bcac1768

    • SSDEEP

      24576:Cyo3xCnbslnFPj172aFr8vS9mc0AgF8HTnCi/:p2xCnQFFPj17FNeS9XgFmTnCi

    • 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