General

  • Target

    bfcd8d3922eb942e22792340e4fef821069a2d42cbde76e6194b7e52c3ef9584.zip

  • Size

    64KB

  • Sample

    240418-wkavfsah28

  • MD5

    13fd8bdb2c31f38a9a86646c7550c40b

  • SHA1

    42d8d1747d1fa9fe554f92d9b5f542955277d444

  • SHA256

    4f522de9f13aeab56fbd6abdf4aa0e38b4427388de0ae4a1655e3fbb98661dee

  • SHA512

    922d83cc288921c62c475a097775062521469079574245ce9df247be25df3b9db9ff65ccdebd8512cb93b03804335033d1b396abc045298fd9e74380b548afd9

  • SSDEEP

    1536:Jmnwd+7s+QxNY+dt5b+tkSf3Mv9+JzNC0iLGp16D/yqa6FFB52S3:Jmnwd4s+QxNY+JytkcMv9mB4pB5/3

Malware Config

Extracted

Path

C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail xmen_xmen@aol.com You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. Free decryption as guarantee Before paying you can send to us up to 3 files for free decryption. Please note that files must NOT contain valuable information and their total size must be less than 10Mb. How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ 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.
Emails

xmen_xmen@aol.com

Targets

    • Target

      scandy.bin

    • Size

      88KB

    • MD5

      56299609780e2286ccc2cf5857d531e8

    • SHA1

      ef7baf17905784df491641906645f00f73eff1d1

    • SHA256

      ab5be9e6911b43f0974e01dabec772b968274d9b5ea39ba2ad7cd294056e5d09

    • SHA512

      a44053d0c810448adddcd17e51682e43d51710de948644c82a141a1a8104cacedd44a274f13ea79de89f5cdfbb0e436791565baad1552d9853a5a94b446398cb

    • SSDEEP

      1536:7vie0XQsxILOW3Sm9S4AndhgXCpC1VYEzcM5BD11e0z:OeBsxInSNnhgX4CzwM

    • Dharma

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

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (518) 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.

    • 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 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

Indicator Removal

2
T1070

File Deletion

2
T1070.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

2
T1490

Tasks