Analysis

  • max time kernel
    122s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    19-10-2021 15:28

General

  • Target

    d6675d8cb24124a9cdd8da0381984a2d.exe

  • Size

    2.4MB

  • MD5

    d6675d8cb24124a9cdd8da0381984a2d

  • SHA1

    4c700c675731a83c2659fbbddf72dd8ce74bc3fc

  • SHA256

    c3145d7fa486d01e7fdd90ea3d9ce64f558e606efea05f121885338aad02c51d

  • SHA512

    a098084744b6774920086f10ced5530d88be54ff5408e853ef6983639b9f84b94b7b20eadcca4866ac5387e966ca74a59ba723251dd669ee73bec55fe29e6934

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • 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 1 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6675d8cb24124a9cdd8da0381984a2d.exe
    "C:\Users\Admin\AppData\Local\Temp\d6675d8cb24124a9cdd8da0381984a2d.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3592

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3592-117-0x0000000000920000-0x0000000000921000-memory.dmp
    Filesize

    4KB

  • memory/3592-119-0x0000000077CC0000-0x0000000077E4E000-memory.dmp
    Filesize

    1.6MB

  • memory/3592-120-0x0000000005E50000-0x0000000005E51000-memory.dmp
    Filesize

    4KB

  • memory/3592-121-0x0000000006470000-0x0000000006471000-memory.dmp
    Filesize

    4KB

  • memory/3592-122-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
    Filesize

    4KB

  • memory/3592-123-0x0000000005E60000-0x0000000005E61000-memory.dmp
    Filesize

    4KB

  • memory/3592-124-0x0000000005D50000-0x0000000005D51000-memory.dmp
    Filesize

    4KB

  • memory/3592-125-0x0000000006140000-0x0000000006141000-memory.dmp
    Filesize

    4KB

  • memory/3592-126-0x0000000005DD0000-0x0000000005DD1000-memory.dmp
    Filesize

    4KB

  • memory/3592-127-0x0000000007360000-0x0000000007361000-memory.dmp
    Filesize

    4KB

  • memory/3592-128-0x0000000007B50000-0x0000000007B51000-memory.dmp
    Filesize

    4KB

  • memory/3592-129-0x0000000008580000-0x0000000008581000-memory.dmp
    Filesize

    4KB

  • memory/3592-130-0x0000000007760000-0x0000000007761000-memory.dmp
    Filesize

    4KB

  • memory/3592-131-0x00000000079A0000-0x00000000079A1000-memory.dmp
    Filesize

    4KB

  • memory/3592-132-0x0000000007A60000-0x0000000007A61000-memory.dmp
    Filesize

    4KB