Overview

overview

10

Static

static

3

03703c3ac4...f2.exe

windows7-x64

10

03703c3ac4...f2.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    91s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 09:29

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General

  • Target

    03703c3ac4b9317b6e724f735c00844846c4d677451db2067aa90f8dddce4af2.exe

  • Size

    1.1MB

  • MD5

    c027789373489a23c448b0e9551c4f68

  • SHA1

    9503948d90f7c02232c1ab8e0c677e65bc3c2972

  • SHA256

    03703c3ac4b9317b6e724f735c00844846c4d677451db2067aa90f8dddce4af2

  • SHA512

    c12dfb37c7f2240f6685d129af33c994fab6babca5e20e68f95a3325fee3738b7afdd8af20e4dcc0e020aa36d42d821a9901c7ac2a6bc3eec2ee2fc92b47a913

  • SSDEEP

    24576:AG64Xy3SKnAfaMpTFn48B76Q/0u0YGgbefLmC:oCDSYZB76PYGgaSC

Score
10/10
lockbitdefense_evasiondiscoveryevasionexecutionimpactpersistenceransomware

Malware Config

Extracted

Path

C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\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: D89C6F255199BB9ECB1B0298C9596EC9
URLs

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.at

http://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion

https://decoding.at

Extracted

Path

C:\Users\Admin\Desktop\LockBit_Ransomware.hta

Ransom Note
Any attempts to restore your files with the thrid-party software will be fatal for your files! To recovery your data and not to allow data leakage, it is possible only through purchase of a private key from us There is only one way to get your files back: Through a standard browser Brave (supports Tor links) FireFox Chrome Edge Opera Open link - https://decoding.at/ Through a Tor Browser - recommended Download Tor Browser - https://www.torproject.org/ and install it. Open one of links in Tor browser and follow instructions on these pages: http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or mirrorhttp://lockbitsup4yezcd5enk5unncx3zcy7kw6wllyqmiyhvanjj352jayid.onion/These links work only in the Tor browser! Follow the instructions on this page https://decoding.at may be blocked. We recommend using a Tor browser (or Brave) to access the TOR site Do not rename encrypted files. Do not try to decrypt using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our). Tor Browser may be blocked in your country or corporate network. Use https://bridges.torproject.org or use Tor Browser over VPN. Tor Browser user manual https://tb-manual.torproject.org/about All your stolen important data will be loaded into our blog if you do not pay ransom. Our blog http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion or https://bigblog.at where you can see data of the companies which refused to pay ransom.
URLs

https://decoding.at/

http://lockbitsap2oaqhcun3syvbqt6n5nzt7fqosc6jdlmsfleu3ka4k2did.onion/or

https://decoding.at

http://lockbitapt6vx57t3eeqjofwgcglmutr3a35nygvokja5uuccip4ykyd.onion

https://bigblog.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 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • 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).

  • Program crash 1 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

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

    ransomware
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 47 IoCs
  • Suspicious use of WriteProcessMemory 13 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\03703c3ac4b9317b6e724f735c00844846c4d677451db2067aa90f8dddce4af2.exe
    "C:\Users\Admin\AppData\Local\Temp\03703c3ac4b9317b6e724f735c00844846c4d677451db2067aa90f8dddce4af2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • 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:1096
    • 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:1676
      • C:\Windows\system32\vssadmin.exe
        vssadmin delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:3652
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic shadowcopy delete
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1332
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4924
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled no
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4832
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\LockBit_Ransomware.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
        PID:1040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 1784
          3⤵
          • Program crash
          PID:3964
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1040 -ip 1040
      1⤵
        PID:1904

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Restore-My-Files.txt
        Filesize

        512B

        MD5

        4a7d6f8cac0b8ca83b1194c8e1ba4ffb

        SHA1

        f952581b59477a2d555d19daa938f22c2eebdbe5

        SHA256

        30205ff0cd1fd3f473cde06064efb936d1ea42625060fabe41151631bb49f3dd

        SHA512

        6978dad7748935f1c1ef8af19bfdbd586091c5a2b3de60dc89772abc58ecefa5ff5c2834be1167a546bcfa4ca61f69534b55c760a84f9324935dfae2c7c6f03b

        Download Submit

      • C:\Users\Admin\Desktop\LockBit_Ransomware.hta
        Filesize

        46KB

        MD5

        c15c6adc8c923ad87981f289025c37b2

        SHA1

        bfe6533f4afe3255046f7178f289a4c75ad89e76

        SHA256

        90f3a33919fdd766e90fd96f8f20a92c2d1376b7cfdc8b738c2f8e7e6c7498b1

        SHA512

        31dd03b208e00ac012fbe4189d5af1306cc8e3640d40efefab4aa1cabab3c4735eef0cb65e7750c3c77021934e145398e5e26389975cf36b193c8f622a5fde83

        Download Submit

      • memory/1096-4-0x0000000000401000-0x00000000004E1000-memory.dmp

        Filesize

        896KB

        Download

      • memory/1096-1-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-3-0x0000000002020000-0x0000000002021000-memory.dmp

        Filesize

        4KB

        Download

      • memory/1096-2-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-5-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-7029-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-7031-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-7032-0x0000000000401000-0x00000000004E1000-memory.dmp

        Filesize

        896KB

        Download

      • memory/1096-7033-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-7034-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-7035-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-7040-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download

      • memory/1096-0-0x0000000000400000-0x0000000000516000-memory.dmp

        Filesize

        1.1MB

        Download