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General

  • Target

    ac1ecb71f66ef003a97a18f83fedc5cd.bin

  • Size

    986KB

  • Sample

    230521-b5cvbsac7z

  • MD5

    f31bba5d0755ed372f1bb5b7be5ca4a6

  • SHA1

    e3a6c575b27acd74b6e6222279304412cb5c28f4

  • SHA256

    71180c7fa9d49b96433f91dc42e2ceac2fda600c1976bd518c86389da93e9d29

  • SHA512

    e0fb8580f48fd5758c79271cf2e11309bdb1eef998482ded03f1d936074207e55b1338d12cf6508640d239a462083344fcc47b48a86c774f62062d781f9eeecf

  • SSDEEP

    24576:1P9Lt91eo06uuDd42YuwzVTSGXf0i5VVHDJJ+MtIVxS0RI3eh6/:1P9Lde+uux42Y3TP5VV/+MKVE0IeQ/

Malware Config

Extracted

Family

redline

Botnet

muser

C2

77.91.68.253:19065

Attributes
  • auth_value

    ab307a8e027ba1296455e3d548f168a3

Targets

    • Target

      0aec6fcbacc14e81abd25738d889245a1c91e48e5a074ae9d6233d175a68669d.exe

    • Size

      1.0MB

    • MD5

      ac1ecb71f66ef003a97a18f83fedc5cd

    • SHA1

      a69c739675ee0352bc58224063124da17cfdd10e

    • SHA256

      0aec6fcbacc14e81abd25738d889245a1c91e48e5a074ae9d6233d175a68669d

    • SHA512

      d0f3f3e9bf984349f19de0c941591274478ae0d6d903aeb9ceb2ffd2f0483215635001c534272292796ec4f9f5a746995a343c57ba5bf2f616dfbcd8c9f90b10

    • SSDEEP

      24576:gyeoJL9ZiWM2w6UWFGPH5YRnIocd+pRw:neoJHiWM2wpvPqRIocQ

    • 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