netwalker | 8894b6508e7b3d8759a53d0ac7a6ceb39fd63ba65b1e89be62b2acdce7781fdc

General

Target

winbio.exe
Size

69KB
Sample

240225-pxcfgsbf82
MD5

2edbacd070d1949bb5d97d3a6e4e23f6
SHA1

761168968a1d951848a36ad428ee4d05153f1e01
SHA256

8894b6508e7b3d8759a53d0ac7a6ceb39fd63ba65b1e89be62b2acdce7781fdc
SHA512

a4b282b8c91124a6dc465573842a03b5fcf346af6e561eef66ea405fcb784251044e2f8a2c0a61cbb0e29f7efc02a71d131930b70e2c021978d00c0b3c38f344
SSDEEP

1536:juCWRxL7hbUiQfovecnXUU+hhOZuIWiFp+ZfaBZebC33O+MEYTb:KCWf7VJQfmeMXvkhOZu1iFBBZebC3+

Score

10^/10

Malware Config

Extracted

Path

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Optional\4D0BA2-Readme.txt

Family

netwalker

Ransom Note

Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .4d0ba2 -- 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_4d0ba2: lt2SUsvQdoFE2tRFCBF4DpuFC0K8budXqFxgIdNnzUp1wjC1vD euhvbzuChIxRW0K1L+VCyPCAS5k0KusB9gr7mjPoy1whlZq/a6 0qqP4Ih/UIX0C/wrlfpFtzN3dw4lCAj1mzBjlgLe6B+WfhCOJh xvuwaIbSi3+DECHBdnlw3kYF/30jG9BMFb7cQacMPCszeQWvKl 944LEKUfEPPkaeD/evhXAR/RzzTTZShPYF0sYo1uc3Z4PVX0A3 jXSFPW4wnkGOSy+b/fMYSgYheb/Q+LnzUhZSUiCA==}

URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\Users\Admin\AppData\Local\Adobe\Color\Profiles\A79260-Readme.txt

Family

netwalker

Ransom Note

Hi! Your files are encrypted by Netwalker. All encrypted files for this computer has extension: .a79260 -- 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_a79260: e06eu9Szu5ukxqCwevVyrYFPjjxRUuu9XAVPALfB47me2ntG9h ux0o+/AeKVmuCU7GcvcVhF3DXQ2u14yhWoYPHdCVftUr5Zq/a6 0vihK6z+p54eEJ8ZhnELx2x77Q2Xqt01xhkpnKzPreX4Gahm9S jxdlkIyzZ3nY3QmmoxP7BUmJXs5rMUilciu3gRA/DWBbbzl7Dw 1P4vvzEh8M/kMDB1lCFpduAWgIqNmWKhLjQPxYJSjYqgkUkUVD D33OToIKy2lSiQW9drtJDDYDhfMy8r+NcI3VYWlw==}

URLs

http://pb36hu4spl6cyjdfhing7h3pw6dhpk32ifemawkujj4gp33ejzdq3did.onion

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

- Target
  
  winbio.exe
- Size
  
  69KB
- MD5
  
  2edbacd070d1949bb5d97d3a6e4e23f6
- SHA1
  
  761168968a1d951848a36ad428ee4d05153f1e01
- SHA256
  
  8894b6508e7b3d8759a53d0ac7a6ceb39fd63ba65b1e89be62b2acdce7781fdc
- SHA512
  
  a4b282b8c91124a6dc465573842a03b5fcf346af6e561eef66ea405fcb784251044e2f8a2c0a61cbb0e29f7efc02a71d131930b70e2c021978d00c0b3c38f344
- SSDEEP
  
  1536:juCWRxL7hbUiQfovecnXUU+hhOZuIWiFp+ZfaBZebC33O+MEYTb:KCWf7VJQfmeMXvkhOZu1iFBBZebC3+
Score

10^/10

netwalker ransomware spyware stealer
- Netwalker Ransomware
  Ransomware family with multiple versions. Also known as MailTo.
  ransomware netwalker
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware
- Renames multiple (7394) files with added filename extension
  This suggests ransomware activity of encrypting all the files on the system.
  ransomware
- Deletes itself
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
behavioral1 behavioral2