Analysis

  • max time kernel
    121s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    19-10-2021 15:27

General

  • Target

    8d1492f906fe9d7849783d52cbb5953c.exe

  • Size

    2.4MB

  • MD5

    8d1492f906fe9d7849783d52cbb5953c

  • SHA1

    693e73f373872e3ec32957b63b4fc477fb1ad084

  • SHA256

    4876d4f345981a20b761d4113e519d5a57e21d28c3d92462a3187665cc043d49

  • SHA512

    18c8fdadc98029d72ac8350c5e48b0f0f7ba9fdee62774e3b6f981cc5f8b8b3e9992e091043adaeb0c653464b491988bb587f16554e7d96de0132795da20bcc3

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d1492f906fe9d7849783d52cbb5953c.exe
    "C:\Users\Admin\AppData\Local\Temp\8d1492f906fe9d7849783d52cbb5953c.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2536-117-0x0000000000200000-0x0000000000201000-memory.dmp
    Filesize

    4KB

  • memory/2536-119-0x0000000077580000-0x000000007770E000-memory.dmp
    Filesize

    1.6MB

  • memory/2536-120-0x0000000005B80000-0x0000000005B81000-memory.dmp
    Filesize

    4KB

  • memory/2536-121-0x00000000055E0000-0x00000000055E1000-memory.dmp
    Filesize

    4KB

  • memory/2536-122-0x0000000005710000-0x0000000005711000-memory.dmp
    Filesize

    4KB

  • memory/2536-123-0x0000000003390000-0x0000000003391000-memory.dmp
    Filesize

    4KB

  • memory/2536-124-0x0000000005640000-0x0000000005641000-memory.dmp
    Filesize

    4KB

  • memory/2536-125-0x0000000005680000-0x0000000005681000-memory.dmp
    Filesize

    4KB

  • memory/2536-126-0x0000000006940000-0x0000000006941000-memory.dmp
    Filesize

    4KB

  • memory/2536-127-0x0000000006B10000-0x0000000006B11000-memory.dmp
    Filesize

    4KB

  • memory/2536-128-0x0000000006D00000-0x0000000006D01000-memory.dmp
    Filesize

    4KB

  • memory/2536-129-0x0000000006E20000-0x0000000006E21000-memory.dmp
    Filesize

    4KB

  • memory/2536-130-0x00000000073C0000-0x00000000073C1000-memory.dmp
    Filesize

    4KB

  • memory/2536-131-0x0000000006EC0000-0x0000000006EC1000-memory.dmp
    Filesize

    4KB

  • memory/2536-132-0x0000000006FB0000-0x0000000006FB1000-memory.dmp
    Filesize

    4KB

  • memory/2536-133-0x00000000088A0000-0x00000000088A1000-memory.dmp
    Filesize

    4KB