Analysis

  • max time kernel
    45s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/09/2022, 18:09

General

  • Target
    file.exe
  • Size 5.4MB
  • Sample220929-wrfdhsbfe4
  • SHA256 7a2d18d2dcaaae50afb1f0aeca3d2aacb172471ec1fa11877c8bb731586ba711
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • RedLine

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

  • RedLine 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.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1576

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1576-54-0x0000000000400000-0x0000000000E45000-memory.dmp

        memory/1576-59-0x0000000075B11000-0x0000000075B13000-memory.dmp

        memory/1576-60-0x0000000000400000-0x0000000000E45000-memory.dmp

        memory/1576-61-0x0000000000400000-0x0000000000E45000-memory.dmp

        memory/1576-62-0x00000000775C0000-0x0000000077740000-memory.dmp

        memory/1576-63-0x00000000051A0000-0x00000000051E4000-memory.dmp

        memory/1576-64-0x00000000051E0000-0x0000000005222000-memory.dmp

        memory/1576-65-0x0000000000400000-0x0000000000E45000-memory.dmp

        memory/1576-66-0x0000000000400000-0x0000000000E45000-memory.dmp

        memory/1576-67-0x00000000775C0000-0x0000000077740000-memory.dmp