Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-03-2024 04:11

General

  • Target

    54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f.exe

  • Size

    959KB

  • MD5

    0ee7386109b1f3596ae62735cf53f6b3

  • SHA1

    0a67f0154a003fd06597a28dd2fd3e2f63b333b7

  • SHA256

    54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f

  • SHA512

    dbc5f19de20129121c3c8ba6d3230198272a150023a7ec896bec14c2d33c6ed49cb6fc5dbb19250674e763a9e3f2f9dad4badffd9fe712a97b1c36c0d1291a73

  • SSDEEP

    24576:uLjr3s2nScu1i1tz3f++5kRzFxk7rMxNeR1R9qpdtF:Ujrc2So1Ff+B3k796L

Malware Config

Extracted

Path

C:\Program Files\Java\jdk1.7.0_80\db\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: BCC23CDC3178BD7F0935AC2D8850B417
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.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Deletes itself 1 IoCs
  • 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.

  • Drops file in System32 directory 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 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.

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 3 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f.exe
    "C:\Users\Admin\AppData\Local\Temp\54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Program Files directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2536
    • 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:1784
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:2144
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2620
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1288
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1340
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f.exe" & Del /f /q "C:\Users\Admin\AppData\Local\Temp\54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:3656
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.7 -n 3
        3⤵
        • Runs ping.exe
        PID:2472
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setZeroData offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\54b45f35926b12f7853e4854ae1d0a233ba1817451450d9b9fdf4e9b1412024f.exe"
        3⤵
          PID:3624
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1008

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Java\jdk1.7.0_80\db\Restore-My-Files.txt

      Filesize

      512B

      MD5

      fee3826b41e2c13e3d9b85eeacfa97f0

      SHA1

      8a8a44207a305df97214e1cd3c1315ae03a54f30

      SHA256

      1aec003eabbcfde978b6d6a8a0a47cd4d0d7f70bd8bb93b46a19bda9b9489699

      SHA512

      7981bc3e54f5a59b7db23d467685b91c77804c6872139e6e5ffa0120c95e9fc7599711449c8acdf2afff132cd9dd1b81fb9acabd3561f374ab277ff3e91bb904