Resubmissions

21-07-2024 15:03

240721-se4c2awdnp 10

21-07-2024 15:00

240721-sdg4eatfqg 10

General

  • Target

    23f8aa94ffb3c08a62735fe7fee5799880a8f322ce1d55ec49a13a3f85312db2.zip

  • Size

    191KB

  • Sample

    240721-se4c2awdnp

  • MD5

    95cd7ac6c12144dd7e3abb879344465e

  • SHA1

    bd414274654229b6e94339673187630b9e8ff987

  • SHA256

    d992871dd45a6302916f809eb54639a656c9e619451c10a03704735c424be0d9

  • SHA512

    80be6b61ab6a390e6248a965875aee682af06fbc05383fbd17d81872dd6f335fa6f9acff2b5fc996bb27c3b5e985660c941954e21249ffe68d2daa8c71641e64

  • SSDEEP

    3072:4B4UA79CJyI52vw2AmSXBbCp+s89xPoI0f3uB+MFnSQINX1wCgCbwoEYqEmUukgu:+A8UIAR8/+eBRFSjQsEYdmUukgA+/Y6m

Malware Config

Extracted

Path

C:\RyukReadMe.txt

Family

ryuk

Ransom Note
Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted or deleted or backup disks were formatted. Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation No decryption software is available in the public. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT RENAME OR MOVE the encrypted and readme files. DO NOT DELETE readme files. This may lead to the impossibility of recovery of the certain files. To get info (decrypt your files) contact us at [email protected] or [email protected] BTC wallet: 14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk Ryuk No system is safe
Wallets

14hVKm7Ft2rxDBFTNkkRC3kGstMGp2A4hk

Targets

    • Target

      23f8aa94ffb3c08a62735fe7fee5799880a8f322ce1d55ec49a13a3f85312db2

    • Size

      384KB

    • MD5

      5ac0f050f93f86e69026faea1fbb4450

    • SHA1

      9709774fde9ec740ad6fed8ed79903296ca9d571

    • SHA256

      23f8aa94ffb3c08a62735fe7fee5799880a8f322ce1d55ec49a13a3f85312db2

    • SHA512

      b554487c4e26a85ec5179cdcc1d25b5bc494e8821a8899fbbf868c3cf41f70cc72db107613b3f6655d3ab70f4db94cce2589066bb354b1ed955098d3911b844d

    • SSDEEP

      6144:f5yaXtrA/WSo1rl3ALrlHQpn0BwK3SBDmhYfFQC:fTX6WSofcZ+KCIGD

    • Ryuk

      Ransomware distributed via existing botnets, often Trickbot or Emotet.

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks