General

  • Target
    520c30a8b36a7b122b2b9b631d7e5f0d.exe
  • Size 733KB
  • Sample221203-a4msgaae85
  • SHA256 9d5ebf928258a2e9da500459de8bd2f650ef10bef03929bc0863f6b9d24481d9
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • LogsDiller Cloud (Telegram: @logsdillabot)

C2
  • 135.125.27.235:22883

Attributes
  • auth_value

    c2955ed3813a798683a185a82e949f88

Extracted

Family
  • redline

Botnet
  • richdazscan

C2
  • 45.32.218.212:39564

Attributes
  • auth_value

    5f464e44f053535b59bc76d584a8c1d1

Targets

    • Target
      520c30a8b36a7b122b2b9b631d7e5f0d.exe
    • Size 733KB
    • SHA256 9d5ebf928258a2e9da500459de8bd2f650ef10bef03929bc0863f6b9d24481d9
    • MD5 SHA1 SHA512 SSDEEP
    • Modifies security service

    • RedLine

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

    • RedLine payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Stops running service(s)

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks