General

  • Target

    240417-2k5byshe9z_pw_infected.zip

  • Size

    301KB

  • Sample

    240622-yhszcswelm

  • MD5

    4fd4c157830539ca06e7bc4b51f535bf

  • SHA1

    37ac83d2269c26ce2142d156543e12190e911432

  • SHA256

    a030bbfbafcd881d49500f18a98f9942e8e1e05376cc2dcf64e9e41ee2ab7b11

  • SHA512

    2648b2e9b9c96095993377952ebce69583325799dc843304fd21d86827e8398543d307a918883218e3dba43de4b7bbfe2dbaede6ba975c1d4d3e04cd55bcf7da

  • SSDEEP

    6144:9CO6ZoaYGVK0DeauMe1oQnCOZaaVNyYLTbn3fjsquZb7wBs+ECGHWIaxv:9CZMr7lpCFa3fLH3rZ0Ks+ECwWIgv

Malware Config

Extracted

Family

djvu

C2

http://root.ug/Asjdhfiughdhhjbdfh45687husdfhipenelop8/Asdhuage7386/get.php

Attributes
  • extension

    .sarut

  • offline_id

    pQseAIqgTVhPujMMiqH1ILPNUg3soGVim0NAnkt1

  • payload_url

    http://pool.ug/tesptc/penelop/updatewin1.exe

    http://pool.ug/tesptc/penelop/updatewin2.exe

    http://pool.ug/tesptc/penelop/updatewin.exe

    http://pool.ug/tesptc/penelop/3.exe

    http://pool.ug/tesptc/penelop/4.exe

    http://pool.ug/tesptc/penelop/5.exe

  • ransomnote

    ATTENTION! Don't worry my friend, you can return all your files! All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-1aTCryfzhK Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Our Telegram account: @datarestore Your personal ID: 078AKsudu438fyasfs

rsa_pubkey.plain

Targets

    • Target

      78E.tmp.bin

    • Size

      466KB

    • MD5

      246d6fa957bd9bd9bd444ba8a6c38457

    • SHA1

      fb90a2e9e3f3d4bf350a5c8d475c843f072bc1f5

    • SHA256

      9c17cc38feddc8aec42f4d7e84ff85260e0e5d955c38e42573a21c18836c7a59

    • SHA512

      95e3135f417fdfd91c8e57545c246c5a0f5efc40fe1e3ef745b8283c35b156d7814934be5983dd5532b7fb789a4032a3e1d619281d0e4e1b465b86f2a036e3bb

    • SSDEEP

      6144:agBl9KO2wSlnYlm8px3b3RY+F2q9QgW6jw5oJ48ph1nt2EuqAs00:aEKOZSlnbE3b3RiqW6jw5o6831/A

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Renames multiple (203) 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.

    • Executes dropped EXE

    • Modifies file permissions

    • 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.

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks