General

  • Target

    48FA665D88FF417E26595BD3C2D01E9762DF16E25787839206024BBD562828F9.zip

  • Size

    39KB

  • Sample

    210227-tgw3cgwzpa

  • MD5

    263770f84adba2ed396928da1f9e663b

  • SHA1

    e0f566b2496fae83685598d16018a0524cb39b25

  • SHA256

    c73ff9a85af2fa72151ada4accca3b6e81ebd328831c6c3ccc24aea53b177262

  • SHA512

    ac945684c4a279c037b4fe1f009842ebbd3856b61b97bfdf4ecaf1c7101a3fb7b06f10304cbc859fcb925246ceadfb5b24b19c8e67393c707dc9fd958d530f38

Malware Config

Extracted

Path

C:\Users\Admin\Desktop\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: dert@airmail.cc Write this ID in the title of your message B30554CA-3062 In case of no answer in 24 hours write us to this e-mail: guxehys@mailfence.com or sparem@kolabnow.com Our online operator is available in the messenger Telegram: @krasume 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 tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) 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

dert@airmail.cc

guxehys@mailfence.com

sparem@kolabnow.com

Extracted

Path

C:\users\public\desktop\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: dert@airmail.cc Write this ID in the title of your message 20BD9B39-3062 In case of no answer in 24 hours write us to this e-mail: guxehys@mailfence.com or sparem@kolabnow.com Our online operator is available in the messenger Telegram: @krasume 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 tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) 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

dert@airmail.cc

guxehys@mailfence.com

sparem@kolabnow.com

Targets

    • Target

      48FA665D88FF417E26595BD3C2D01E9762DF16E25787839206024BBD562828F9

    • Size

      55KB

    • MD5

      fe09fc020102ace1104f83600a7faf9d

    • SHA1

      6b27a53c1da8300db990213a686c4820993df7a3

    • SHA256

      48fa665d88ff417e26595bd3c2d01e9762df16e25787839206024bbd562828f9

    • SHA512

      15c4c6d2a3e4fd14897e0a3fe9a95910cdd944a34126b1ab4f377ed2e1de0ee0e4f26e5efe0bcbb3e24c6136181feac7d870758249c3b23340c20729d6825d63

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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)

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

3
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

4
T1490

Tasks