Analysis

  • max time kernel
    138s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    26-07-2021 20:09

General

  • Target

    Setup.exe

  • Size

    3.2MB

  • MD5

    6a42e481e8c2f649a854b08cdaf73be4

  • SHA1

    66d7883449483a44232053f77ed1701c3c3ac9e3

  • SHA256

    3f4a6504fe8dc05ff75fe4a3bdf27eb509b2431ebaf4e189c23b9297ea300f19

  • SHA512

    9d4b1d3ffafebf0faebe550f2d3064a1f515b908e049a5aca07b151d8bfe165d545f244bfd3960283a9310c18e50968834dc3fc471258ef8ddf7541e597d87be

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3944-115-0x0000000077730000-0x00000000778BE000-memory.dmp

    Filesize

    1.6MB

  • memory/3944-116-0x00000000012C0000-0x00000000012C1000-memory.dmp

    Filesize

    4KB

  • memory/3944-118-0x0000000005C00000-0x0000000005C01000-memory.dmp

    Filesize

    4KB

  • memory/3944-119-0x00000000055F0000-0x00000000055F1000-memory.dmp

    Filesize

    4KB

  • memory/3944-120-0x0000000005650000-0x0000000005651000-memory.dmp

    Filesize

    4KB

  • memory/3944-121-0x0000000005690000-0x0000000005691000-memory.dmp

    Filesize

    4KB

  • memory/3944-122-0x00000000055F0000-0x0000000005BF6000-memory.dmp

    Filesize

    6.0MB

  • memory/3944-123-0x0000000005940000-0x0000000005941000-memory.dmp

    Filesize

    4KB

  • memory/3944-124-0x0000000006BE0000-0x0000000006BE1000-memory.dmp

    Filesize

    4KB

  • memory/3944-125-0x00000000072E0000-0x00000000072E1000-memory.dmp

    Filesize

    4KB

  • memory/3944-126-0x0000000006B50000-0x0000000006B51000-memory.dmp

    Filesize

    4KB

  • memory/3944-127-0x0000000007D10000-0x0000000007D11000-memory.dmp

    Filesize

    4KB

  • memory/3944-128-0x0000000006F70000-0x0000000006F71000-memory.dmp

    Filesize

    4KB

  • memory/3944-129-0x0000000007090000-0x0000000007091000-memory.dmp

    Filesize

    4KB

  • memory/3944-130-0x0000000007070000-0x0000000007071000-memory.dmp

    Filesize

    4KB