Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    24-10-2021 18:41

General

  • Target

    Setup_v2.exe

  • Size

    2.3MB

  • MD5

    e79b93e4d18b64d420369753c629dc49

  • SHA1

    c9d73d76fb87bdf193eaf324338f6d77791c65b4

  • SHA256

    05514362132a92d5bbecd39609b67af1e3f1d4a79c2c13f2f15e6f3c314f812e

  • SHA512

    a492b7fd40885d56dbdf2fff814fbb884f09153049a47cb9c6fec414eaf50fd01885802854b92e0e36714b61563aaa657800dbb1919b942b131c78615caa373b

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\Setup_v2.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup_v2.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1876

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1876-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

    Filesize

    8KB

  • memory/1876-58-0x0000000000A50000-0x0000000000A51000-memory.dmp

    Filesize

    4KB

  • memory/1876-60-0x0000000005240000-0x0000000005241000-memory.dmp

    Filesize

    4KB