Analysis

  • max time kernel
    1790s
  • max time network
    1804s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    02-12-2024 18:55

General

  • Target

    s.exe

  • Size

    3.0MB

  • MD5

    1c7a29f48b56d6e89620c0c55d515095

  • SHA1

    6362eed3be15d632ce62400a159f483e1ffd7610

  • SHA256

    ffd45c2b562d30113cb9a4823025a9a162503017e9d81fd96ddb5b98e5bb89bd

  • SHA512

    16c1e03386e289a4a5aa24190d2c6ad05f87a657d92a210e0d6aecb5afaf5bfac1654437c780d2a4d8d9a9212c67a387d66a9f12a71756331fe0246035496b48

  • SSDEEP

    98304:v6rcWNztTkmXubthKXwkgzdXqS/jwHxMz9IPctmZS:SrLNvubthKXxCaLM+Pctq

Malware Config

Signatures

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Sectoprat family
  • 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.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\s.exe
    "C:\Users\Admin\AppData\Local\Temp\s.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4060-0-0x0000000000400000-0x0000000000B8A000-memory.dmp

    Filesize

    7.5MB

  • memory/4060-1-0x0000000076BF0000-0x0000000076BF1000-memory.dmp

    Filesize

    4KB

  • memory/4060-3-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-2-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-4-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-5-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-6-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-8-0x0000000000400000-0x0000000000B8A000-memory.dmp

    Filesize

    7.5MB

  • memory/4060-9-0x00000000052E0000-0x0000000005886000-memory.dmp

    Filesize

    5.6MB

  • memory/4060-10-0x00000000051A0000-0x0000000005232000-memory.dmp

    Filesize

    584KB

  • memory/4060-11-0x0000000005890000-0x0000000005A52000-memory.dmp

    Filesize

    1.8MB

  • memory/4060-12-0x0000000005A60000-0x0000000005AD6000-memory.dmp

    Filesize

    472KB

  • memory/4060-13-0x0000000005280000-0x00000000052D0000-memory.dmp

    Filesize

    320KB

  • memory/4060-14-0x0000000005B10000-0x0000000005B76000-memory.dmp

    Filesize

    408KB

  • memory/4060-15-0x0000000000400000-0x0000000000B8A000-memory.dmp

    Filesize

    7.5MB

  • memory/4060-16-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-17-0x0000000076BF0000-0x0000000076BF1000-memory.dmp

    Filesize

    4KB

  • memory/4060-18-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-19-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-20-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB

  • memory/4060-22-0x0000000076BD0000-0x0000000076CC0000-memory.dmp

    Filesize

    960KB