Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 11:50

General

  • Target

    202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe

  • Size

    862KB

  • MD5

    4d66e5d97d69602b5f7f456a4c11cf2b

  • SHA1

    70ae4cb2a3af39a97dc75e0d4937c88faf6dc914

  • SHA256

    50ac767d5b007b120db7a476126a88f37edc3f54bae24ed546a80477836252ed

  • SHA512

    e035da06a3c154a6ff0cadddfb559b5d6679e858ae6ffcfc48f8f4f0a8469221222fcf0ca160e24cfdf8f658f48d6484b5baff034a7ab73d5b87fbf964f03fd9

  • SSDEEP

    24576:DxAf2NuubB6RWspgjuwu7pl4Ha+UmxJH+QzFR:dAfSrWW4g+7Ht+UmxJeg3

Malware Config

Extracted

Path

C:\Program Files\dotnet\Restore-My-Files.txt

Ransom Note
LockBit 2.0 Ransomware Your data are stolen and encrypted The data will be published on TOR website http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion and https://bigblog.at if you do not pay the ransom You can contact us and decrypt one file for free on these TOR sites http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion OR https://decoding.at Decryption ID: 7D68A5BFD028A31F8A8EB265BC3978ED
URLs

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

https://decoding.at

Signatures

  • Lockbit

    Ransomware family with multiple variants released since late 2019.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 17 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe
    "C:\Users\Admin\AppData\Local\Temp\202409274d66e5d97d69602b5f7f456a4c11cf2blockbit.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\dotnet\Restore-My-Files.txt

    Filesize

    512B

    MD5

    8e2ed10fb238582ac5ca6bbed860c71f

    SHA1

    f2d5c1eb26b915add7d27480680e4955518faf5e

    SHA256

    53b34b7524c8b79af060e18b376651f9ebc2a20e9484d25b8c1a33abcfef53db

    SHA512

    81f261e6d637d2739fd19f833bb834c62dee9e5c6a228552154908b1f9cca2112ad65cffdf768ced502e5773ccbbbe1e9159d82c8c55e03658e2c4c4d1d96109