General

  • Target

    JaffaCakes118_553cddc453d29d25725907c77345e745208156f12fe544685cec2b8d0cbb4fe2

  • Size

    69KB

  • Sample

    241230-v4as5a1mem

  • MD5

    febfe3f02ef2f6f032ed770c86a1fc16

  • SHA1

    395d947aee780e1f8e1a5916ca8496ead738db41

  • SHA256

    553cddc453d29d25725907c77345e745208156f12fe544685cec2b8d0cbb4fe2

  • SHA512

    e354f8ca4bc8b5287c0f6013733497ccb83b14549606ca031eb7ebc6937c2468c77cf793cbed30beb00896424745adcaccbd588920ff1c3dbc1452048e553a9c

  • SSDEEP

    1536:fzDai+ghUHUDjyb3ZAp7lENdUogtY965AtPnToY9GFr6psM7pYBWUHyZ8TQYO:/x+ghU0Xi32JlMvgt06aBs4GFr6h7iWL

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
YOUR FILES ARE ENCRYPTED Don't worry,you can return all your files! If you want to restore them, follow this link: email [email protected] YOUR ID If you have not been answered via the link within 12 hours, write to us by e-mail: [email protected] Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Targets

    • Target

      1eca4383fb0c1d2e92b9a0ef1e939643a0fefdb37b4519e731030197c7091ff1

    • Size

      92KB

    • MD5

      627c54e435c997f228937d70fa4efabe

    • SHA1

      de983ae81197370c1c0db019e47367ef0521163d

    • SHA256

      1eca4383fb0c1d2e92b9a0ef1e939643a0fefdb37b4519e731030197c7091ff1

    • SHA512

      c827d16c316ba46e5ed73018a73dc99c2e62a0c809aeb986027444a1d5d53e4c3fcb955152debc30bc69c82621eeb6ec454d6add17e5b2875cf3d25e325f0466

    • SSDEEP

      1536:mBwl+KXpsqN5vlwWYyhY9S4AYCKkjEvPSFd3tsEodcSDR:Qw+asqN5aW/hLKFPUJc

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

    • Dharma family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (316) 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.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Drops startup file

    • 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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks