netwalker | f4ccf3d32f438869e6a518ec970e0724b52abd3a39a4c2891fa3c2d3a4835a6e

General

Target

f4ccf3d32f438869e6a518ec970e0724b52abd3a39a4c2891fa3c2d3a4835a6e.bin.dll
Size

93KB
MD5

809a76a64875aeede09f7db28a2333a9
SHA1

97a52181f6907f8aaacae0bec013fa50b8706cec
SHA256

f4ccf3d32f438869e6a518ec970e0724b52abd3a39a4c2891fa3c2d3a4835a6e
SHA512

d3f9a3b9881c00a9d22d877a60faf511feb7a59eec87735836d58d5ec0a17a7eee7d9115cbfb7f3595ea5a500e3bcb7dba7d425260e913f5c67e5542b40286cb

Score

10^/10

netwalker ransomware spyware

Malware Config

Extracted

Path

C:\Program Files (x86)\Adobe\Acrobat Reader DC\FF765B-Readme.txt

Family

netwalker

Ransom Note

Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}

URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\ProgramData\Microsoft\Network\Downloader\FF765B-Readme.txt

Family

netwalker

Ransom Note

Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}

URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\Music\FF765B-Readme.txt

Family

netwalker

Ransom Note

Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}

URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Program Files\FF765B-Readme.txt

Family

netwalker

Ransom Note

Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .ff765b -- If for some reason you read this text before the encryption ended, this can be understood by the fact that the computer slows down, and your heart rate has increased due to the ability to turn it off, then we recommend that you move away from the computer and accept that you have been compromised. Rebooting/shutdown will cause you to lose files without the possibility of recovery. -- Our encryption algorithms are very strong and your files are very well protected, the only way to get your files back is to cooperate with us and get the decrypter program. Do not try to recover your files without a decrypter program, you may damage them and then they will be impossible to recover. For us this is just business and to prove to you our seriousness, we will decrypt you one file for free. Just open our website, upload the encrypted file and get the decrypted file for free. -- Steps to get access on our website: 1.Download and install tor-browser: https://torproject.org/ 2.Open our website: pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion If the website is not available, open another one: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_ff765b: BfXBP0IG4UcZpzIV2Tm6Cyy4SAB8ME+j5okxmLhmazPFMKjrau PiTcZUGVTIlm1eNHZ/ffup9UYyPdR/TGS5sOZlot7otYsYUMkL VnrbYsbI7/d7iPe/IvJvl4H9X3YQBiQTRZjqWbL4ow6I32ATcA ZZA0a2htMR24Uim8PHFQmmLP3fNhfGy0J2Smtlsy5o0pnv4g04 +ttod+eDpSh3YTEqSfFNc0sfijyKCUgMewVeAsR+rB3F/1nKQV LTzCDpcPFRf6uCBHZyv9LJ67PUk6yA5QXaEm7mSA==}

URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Signatures

Netwalker Ransomware
Ransomware family with multiple versions. Also known as MailTo.
ransomware netwalker

Modifies extensions of user files 10 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

rundll32.exe

description	ioc	process
File renamed	C:\Users\Admin\Pictures\FindResize.tiff => C:\Users\Admin\Pictures\FindResize.tiff.ff765b	rundll32.exe
File renamed	C:\Users\Admin\Pictures\DisconnectInvoke.tif => C:\Users\Admin\Pictures\DisconnectInvoke.tif.ff765b	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\PushDisable.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\UnregisterDisable.png => C:\Users\Admin\Pictures\UnregisterDisable.png.ff765b	rundll32.exe
File renamed	C:\Users\Admin\Pictures\PublishRestart.raw => C:\Users\Admin\Pictures\PublishRestart.raw.ff765b	rundll32.exe
File renamed	C:\Users\Admin\Pictures\PushDisable.tiff => C:\Users\Admin\Pictures\PushDisable.tiff.ff765b	rundll32.exe
File renamed	C:\Users\Admin\Pictures\ConfirmRevoke.raw => C:\Users\Admin\Pictures\ConfirmRevoke.raw.ff765b	rundll32.exe
File opened for modification	C:\Users\Admin\Pictures\FindResize.tiff	rundll32.exe
File renamed	C:\Users\Admin\Pictures\SubmitOpen.tif => C:\Users\Admin\Pictures\SubmitOpen.tif.ff765b	rundll32.exe
File renamed	C:\Users\Admin\Pictures\CompressDisable.raw => C:\Users\Admin\Pictures\CompressDisable.raw.ff765b	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Program Files directory 14463 IoCs

Processes:

rundll32.exe

description	ioc	process
File opened for modification	C:\Program Files\7-Zip\Lang\ast.txt	rundll32.exe
File created	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\p2\org.eclipse.equinox.p2.engine\.settings\FF765B-Readme.txt	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\my-recent-files\js\nls\pl-pl\ui-strings.js	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\AppPackageAppList.targetsize-16.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsMaps_5.1611.10393.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\SecondaryTiles\Car\LTR\contrast-white\MedTile.scale-125.png	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\pages-app\js\nls\pt-br\ui-strings.js	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\DailyChallenges\LargeFreecellTile.jpg	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\variant.js	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\platform\modules\org-netbeans-modules-favorites.jar	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\snapshot_blob.bin	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\6454_48x48x32.png	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\dropins\README.TXT	rundll32.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\app-center\js\nls\fr-ma\FF765B-Readme.txt	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\OneNoteSplashLogo.scale-125.png	rundll32.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ul-oob.xrm-ms	rundll32.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ta.txt	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\on-boarding\images\themeless\de_get.svg	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-125_8wekyb3d8bbwe\Lumia.ViewerPlugin\Assets\IconEditMoment.contrast-white_scale-125.png	rundll32.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms	rundll32.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\sign-services-auth\js\nls\it-it\FF765B-Readme.txt	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\missioncontrol\plugins\com.jrockit.mc.rjmx.ja_5.5.0.165303.jar	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Messaging_3.26.24002.0_neutral_split.scale-150_8wekyb3d8bbwe\Assets\starttile.smile.scale-150.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\contrast-white\HxMailAppList.targetsize-16_altform-unplated.png	rundll32.exe
File created	C:\Program Files\VideoLAN\VLC\locale\brx\LC_MESSAGES\FF765B-Readme.txt	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\en-us\officons.ttf	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_11.8.204.0_x64__kzf8qxf38zg5c\AppxMetadata\CodeIntegrity.cat	rundll32.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\locale\as_IN\LC_MESSAGES\vlc.mo	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.3DBuilder_13.0.10349.0_x64__8wekyb3d8bbwe\Assets\Contrast\Contrast-black\BuilderLogo.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsAlarms_10.1702.333.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\WorldClockSmallTile.contrast-black_scale-125.png	rundll32.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\search-summary\js\nls\da-dk\FF765B-Readme.txt	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\Compare_R_RHP.aapp	rundll32.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-ul-oob.xrm-ms	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Resource\Font\ZX______.PFB	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsBadge.contrast-white_scale-200.png	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-application_ja.jar	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\js\nls\ja-jp\ui-strings.js	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_25.25.13009.0_neutral_split.scale-200_8wekyb3d8bbwe\Assets\GamesXboxHubSmallTile.scale-200_contrast-white.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\PhotosAppList.scale-100.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.SkypeApp_11.8.204.0_neutral_split.scale-125_kzf8qxf38zg5c\SkypeApp\Assets\SkypeTile.scale-125.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.10252.0_x64__8wekyb3d8bbwe\Assets\contrast-black\AppPackageLargeTile.scale-200_contrast-black.png	rundll32.exe
File opened for modification	C:\Program Files\Java\jdk1.8.0_66\lib\visualvm\profiler\lib\locale\jfluid-server_zh_CN.jar	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1702.312.0_x64__8wekyb3d8bbwe\Assets\CalculatorAppList.targetsize-16.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\PopUp\Pop_up_Warning.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.Windows.Photos_16.511.8780.0_neutral_split.scale-100_8wekyb3d8bbwe\Assets\PhotosAppList.contrast-white_scale-100.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1702.333.0_x64__8wekyb3d8bbwe\Assets\AlarmsAppList.targetsize-32.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\Assets\Images\Stickers\Sticker_Heart.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxA-Outlook.scale-400.png	rundll32.exe
File opened for modification	C:\Program Files\7-Zip\Lang\ro.txt	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\createpdfupsell-app\js\nls\hu-hu\ui-strings.js	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\animations\OneNoteFRE_ClipAndAdd_LTR_Phone.mp4	rundll32.exe
File opened for modification	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\Workflow.VisualBasic.Targets	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.XboxApp_25.25.13009.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\GamesXboxHubWideTile.scale-125_contrast-high.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VCLibs.140.00_14.0.24123.0_x64__8wekyb3d8bbwe\AppxManifest.xml	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\images\s_checkbox_selected_18.svg	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\DeletedAllUserPackages\Microsoft.WindowsFeedbackHub_1.1612.10312.0_neutral_split.scale-125_8wekyb3d8bbwe\Assets\InsiderHubMedTile.scale-125_contrast-white.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\MicrosoftAccount.scale-100.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_17.7668.58071.0_x64__8wekyb3d8bbwe\images\contrast-white\OneNoteMediumTile.scale-200.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1612.10312.0_x64__8wekyb3d8bbwe\Assets\InsiderHubAppList.targetsize-80.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_3.14.1181.0_x64__8wekyb3d8bbwe\Assets\Premium_badge_compact.png	rundll32.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_company.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\HxA-Advanced-Dark.scale-400.png	rundll32.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\WebResources\Resource0\static\js\plugins\digsig\images\digsig_icons_2x.png	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_1.0.45.0_x64__8wekyb3d8bbwe\AppxBlockMap.xml	rundll32.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_17.7906.42257.0_x64__8wekyb3d8bbwe\images\649_32x32x32.png	rundll32.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

rundll32.exe

pid	process
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe
580	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 580 rundll32.exe
Token: SeImpersonatePrivilege 580 rundll32.exe

description	pid	process
Token: SeDebugPrivilege	580	rundll32.exe
Token: SeImpersonatePrivilege	580	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4ccf3d32f438869e6a518ec970e0724b52abd3a39a4c2891fa3c2d3a4835a6e.bin.dll,#1
1⤵
- Modifies extensions of user files
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:580

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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