Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 20:27

General

  • Target
    355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe
  • Size 1.9MB
  • Sample241002-y8d8wsvdrp
  • SHA256 355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

C2
  • 54.38.123.247:8696

Signatures

  • RedLine

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

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe
    "C:\Users\Admin\AppData\Local\Temp\355c9f31d4f4cf6242a8bedf18d47dbcf2cf863abbe83acd6c8beb9e89e3aad2.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2384

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/2384-0-0x0000000000980000-0x0000000000E54000-memory.dmp

        memory/2384-2-0x0000000000980000-0x0000000000E54000-memory.dmp

        memory/2384-3-0x0000000000980000-0x0000000000E54000-memory.dmp

        memory/2384-4-0x0000000005C30000-0x0000000006248000-memory.dmp

        memory/2384-5-0x0000000005690000-0x00000000056A2000-memory.dmp

        memory/2384-6-0x00000000056F0000-0x000000000572C000-memory.dmp

        memory/2384-7-0x0000000005730000-0x000000000577C000-memory.dmp

        memory/2384-8-0x0000000005990000-0x0000000005A9A000-memory.dmp

        memory/2384-10-0x0000000000980000-0x0000000000E54000-memory.dmp