Overview

overview

10

Static

static

3

53ec94e332...66.exe

windows7-x64

10

53ec94e332...66.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    138s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 04:25

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General

  • Target

    53ec94e3325c7ea427857b0a1e911c66.exe

  • Size

    862KB

  • MD5

    53ec94e3325c7ea427857b0a1e911c66

  • SHA1

    1d88d25ce890b3118bf719fe4d83583868247b86

  • SHA256

    dd8fe3966ab4d2d6215c63b3ac7abf4673d9c19f2d9f35a6bf247922c642ec2d

  • SHA512

    75d719b8de7e52da51ad841cb85be05e8d77457f68852f321512d5340cd3c1f3784b2f4d1d4e25f1c6d15fd264f1aee01bd0a3c16e22ef1e81df0e9be75235d5

  • SSDEEP

    24576:DxAf2NuubB6RWspgjuwu7pl4Ha+UmxJH+QTF:dAfSrWW4g+7Ht+UmxJec

Score
10/10
lockbitdiscoveryevasionpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\DVD Maker\de-DE\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: 6691A3C6BA585EA0736819343257E453
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.

    ransomwarelockbit
  • Creates a large amount of network flows 1 TTPs

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

    discovery
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 22 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\53ec94e3325c7ea427857b0a1e911c66.exe
    "C:\Users\Admin\AppData\Local\Temp\53ec94e3325c7ea427857b0a1e911c66.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2416
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2728
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2184
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3004
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2412
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\DVD Maker\de-DE\Restore-My-Files.txt
    Filesize

    512B

    MD5

    fd59836e036fef549dbdbd68ce35f4d8

    SHA1

    8a232b7524040adb3c4658b07113edef0626e367

    SHA256

    03ffd5697441a6c3e3a6ed596a8fba239a2e63a477077b83656af6defa4d39ad

    SHA512

    71cd6c05da58976dd5f42e3ed51f32723618289d3491f4f65017d51482eb2775cb8ee2382134728528ca589f8ac059ce14346f994c85386bca2219bd24407430

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