General

  • Target

    VirusShare_39028e8653ba4e422599441e49da3d29

  • Size

    444KB

  • Sample

    240610-neemfshc83

  • MD5

    39028e8653ba4e422599441e49da3d29

  • SHA1

    62071f1ee92eb4e11e39a29b937bd86b9591c1d3

  • SHA256

    03f81462c6d158453036fedf3e5d3dcd0eef4a5aafd79b5b9379b3df89e4d6fc

  • SHA512

    42b31196d6e243c8e71949d820a70324872c87a488826b029d5ed8f57cc45a72dd2e93581cf26a1af6eff4155f3c696f8298265f3c3d185d7570cce0a6e19cb0

  • SSDEEP

    12288:g4irDtSclFJNVKqjhKD2AWU7irDtSclFJN:GrDt7t7lKD2AWUGrDt7

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\how_recover+hkm.txt

Ransom Note
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BTC NOW, and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://k5fxm4dl35qk323d.justmakeapayment.com/CE50D119CBF6074 2. http://vr6g2curb2kcidou.expay34.com/CE50D119CBF6074 3. http://tsbfdsv.extr6mchf.com/CE50D119CBF6074 4. https://o7zeip6us33igmgw.onion.to/CE50D119CBF6074 5. https://o7zeip6us33igmgw.tor2web.org/CE50D119CBF6074 6. https://o7zeip6us33igmgw.onion.cab/CE50D119CBF6074 If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: o7zeip6us33igmgw.onion/CE50D119CBF6074 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://k5fxm4dl35qk323d.justmakeapayment.com/CE50D119CBF6074 http://vr6g2curb2kcidou.expay34.com/CE50D119CBF6074 http://tsbfdsv.extr6mchf.com/CE50D119CBF6074 https://o7zeip6us33igmgw.onion.to/CE50D119CBF6074 Your personal page (using TOR-Browser): o7zeip6us33igmgw.onion/CE50D119CBF6074 Your personal identification number (if you open the site (or TOR-Browser's) directly): CE50D119CBF6074 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
URLs

http://k5fxm4dl35qk323d.justmakeapayment.com/CE50D119CBF6074

http://vr6g2curb2kcidou.expay34.com/CE50D119CBF6074

http://tsbfdsv.extr6mchf.com/CE50D119CBF6074

https://o7zeip6us33igmgw.onion.to/CE50D119CBF6074

https://o7zeip6us33igmgw.tor2web.org/CE50D119CBF6074

https://o7zeip6us33igmgw.onion.cab/CE50D119CBF6074

http://o7zeip6us33igmgw.onion/CE50D119CBF6074

Extracted

Path

C:\Program Files\7-Zip\Lang\how_recover+rmj.txt

Ransom Note
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 KEY, both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. Decrypting of your files is only possible with the help of the private key and decrypt program, which is on our secret server. What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BTC NOW, and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1. http://k5fxm4dl35qk323d.justmakeapayment.com/6A47E86EB93B0F 2. http://vr6g2curb2kcidou.expay34.com/6A47E86EB93B0F 3. http://tsbfdsv.extr6mchf.com/6A47E86EB93B0F 4. https://o7zeip6us33igmgw.onion.to/6A47E86EB93B0F 5. https://o7zeip6us33igmgw.tor2web.org/6A47E86EB93B0F 6. https://o7zeip6us33igmgw.onion.cab/6A47E86EB93B0F If for some reasons the addresses are not available, follow these steps: 1. Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2. After a successful installation, run the browser and wait for initialization. 3. Type in the address bar: o7zeip6us33igmgw.onion/6A47E86EB93B0F 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://k5fxm4dl35qk323d.justmakeapayment.com/6A47E86EB93B0F http://vr6g2curb2kcidou.expay34.com/6A47E86EB93B0F http://tsbfdsv.extr6mchf.com/6A47E86EB93B0F https://o7zeip6us33igmgw.onion.to/6A47E86EB93B0F Your personal page (using TOR-Browser): o7zeip6us33igmgw.onion/6A47E86EB93B0F Your personal identification number (if you open the site (or TOR-Browser's) directly): 6A47E86EB93B0F !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
URLs

http://k5fxm4dl35qk323d.justmakeapayment.com/6A47E86EB93B0F

http://vr6g2curb2kcidou.expay34.com/6A47E86EB93B0F

http://tsbfdsv.extr6mchf.com/6A47E86EB93B0F

https://o7zeip6us33igmgw.onion.to/6A47E86EB93B0F

https://o7zeip6us33igmgw.tor2web.org/6A47E86EB93B0F

https://o7zeip6us33igmgw.onion.cab/6A47E86EB93B0F

http://o7zeip6us33igmgw.onion/6A47E86EB93B0F

Targets

    • Target

      VirusShare_39028e8653ba4e422599441e49da3d29

    • Size

      444KB

    • MD5

      39028e8653ba4e422599441e49da3d29

    • SHA1

      62071f1ee92eb4e11e39a29b937bd86b9591c1d3

    • SHA256

      03f81462c6d158453036fedf3e5d3dcd0eef4a5aafd79b5b9379b3df89e4d6fc

    • SHA512

      42b31196d6e243c8e71949d820a70324872c87a488826b029d5ed8f57cc45a72dd2e93581cf26a1af6eff4155f3c696f8298265f3c3d185d7570cce0a6e19cb0

    • SSDEEP

      12288:g4irDtSclFJNVKqjhKD2AWU7irDtSclFJN:GrDt7t7lKD2AWUGrDt7

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (436) files with added filename extension

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

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks