General

  • Target

    2025-01-29_2be2af23b313b80536e9ca3c12704d6c_mailto

  • Size

    66KB

  • Sample

    250129-ap2m3svqaw

  • MD5

    2be2af23b313b80536e9ca3c12704d6c

  • SHA1

    5ce36159fb34f79df9bd8ba43afb8c21a059052c

  • SHA256

    16e6fc7f6bf936eda5723551ea9d0aee9d83e265c1e70cc2d66198be8e1400d8

  • SHA512

    384b55e59933ca35a4f6db970e6ac1169e016b40739c7b15f4a592e11fff8c7d4afa730cd2b0b78ad1ea18e29c881028228683b55742be76bbae65102be08853

  • SSDEEP

    1536:Tn2v0CaaFjJn/zk4XHnnzxLhOZ3w4qwiDKKVqmfeL:TIK+N/44XHnzthOZ37qwiDo

Malware Config

Extracted

Path

C:\Program Files (x86)\Microsoft Office\Office14\3082\367114-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .367114 -- 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: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_367114: 90B6RLEoeTLxABSUll76dLO+XtGQax4w+v81njI11AknWpHLnx 48lcVH7/Zceee0Wqv4wSBb7hcFqFTBQajhdvay9Pa1iX4V0o4I +MX5l0s0URJyxpilQ3GXE6TJKn35DBy04BUI7lDONBeZSBAxKA eEqOX9sBwOfsCv7A/StM+Cx8FlZaZvftJ3j/8LraTxXUVkf/mc Tly0dJvZ8sH5bGxmOItegwoH4PSYeC3R/h//PvfhSVPVCmjcCx AVwz498RJsu5DS/ikOPBorUkSOYdwJT+JyeeJT+Q==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Extracted

Path

C:\ProgramData\Microsoft\MF\E524DE-Readme.txt

Family

netwalker

Ransom Note
Hi! Your files are encrypted. All encrypted files for this computer has extension: .e524de -- 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: rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion 3.Put your personal code in the input form: {code_e524de: dc3uoVUcTpCmkPQJDwf23eL2VgB1KZTvX5ZklS55FykZ4NtkPf vsstlzQ27ySEwnYCxXNB64HSJMaibM7G33C6UU+teVmvJF0o4I +G4XUlirXKCXUyUbrec+NP872cwttuPfF6sWMWOBi4K9yNEHQS WPYvNlyL0y2eB3fFkig4qZM2iS8x+LGrv3VUXywQjlxEJOZwBB DvJnN77tIj8nm52bJZIbdrebqK2pNnKrsMkve8r/Kth2P19Lrt FpwXPWepqmeV7PTSJifxsSXCKuE+hqYBYJjHIEsw==}
URLs

http://rnfdsgm6wb6j6su5txkekw4u4y47kp2eatvu7d6xhyn5cs4lt4pdrqqd.onion

Targets

    • Target

      2025-01-29_2be2af23b313b80536e9ca3c12704d6c_mailto

    • Size

      66KB

    • MD5

      2be2af23b313b80536e9ca3c12704d6c

    • SHA1

      5ce36159fb34f79df9bd8ba43afb8c21a059052c

    • SHA256

      16e6fc7f6bf936eda5723551ea9d0aee9d83e265c1e70cc2d66198be8e1400d8

    • SHA512

      384b55e59933ca35a4f6db970e6ac1169e016b40739c7b15f4a592e11fff8c7d4afa730cd2b0b78ad1ea18e29c881028228683b55742be76bbae65102be08853

    • SSDEEP

      1536:Tn2v0CaaFjJn/zk4XHnnzxLhOZ3w4qwiDKKVqmfeL:TIK+N/44XHnzthOZ37qwiDo

    • Netwalker Ransomware

      Ransomware family with multiple versions. Also known as MailTo.

    • Netwalker family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (7436) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Deletes itself

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

MITRE ATT&CK Enterprise v15

Tasks