General

  • Target

    d964a34c3d9e21b6f9aaa43459863b0d2feb573fa0dae5a6cd6b1ce3a4c31eb3

  • Size

    119KB

  • Sample

    221125-vxnfmscd43

  • MD5

    21703db23fb0a203eb76140f986645f4

  • SHA1

    3c374b80b8263b7b339b8abd6f4e476e7675091c

  • SHA256

    cad9a76421a4817de3461299b122dff7aedbf112627fb724a0ba88b7585a80ea

  • SHA512

    b04c1b7f3b153586bc9a9aeb40da89e7fb765a65c0caedd6d9a9f628ab0a02277024bc0ff456ba1359d59d28d40b6dc9c14b305d5b50a140b909473aeaba45a1

  • SSDEEP

    3072:YQomR5grbqfmcV548PnxGyY5YGOGB+Q9ecn0:7R5+bqeQLPn5uoceh

Malware Config

Extracted

Family

djvu

C2

http://fresherlights.com/lancer/get.php

Attributes
  • extension

    .kcbu

  • offline_id

    hlqzhQ6w5SquNDF4Ul2XBDJQkSIKbAT6rmRBTit1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://fresherlights.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, 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-lj5qINGbTc 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] Your personal ID: 0608Jhyjd

rsa_pubkey.plain

Extracted

Family

amadey

Version

3.50

C2

193.56.146.194/h49vlBP/index.php

Targets

    • Target

      d964a34c3d9e21b6f9aaa43459863b0d2feb573fa0dae5a6cd6b1ce3a4c31eb3

    • Size

      173KB

    • MD5

      45c787fae28e23b61a47e0eb0a6a441f

    • SHA1

      a2e376a9b1a31898214b1750a994c57e2a391fcc

    • SHA256

      d964a34c3d9e21b6f9aaa43459863b0d2feb573fa0dae5a6cd6b1ce3a4c31eb3

    • SHA512

      4b5ac3734d67ad3e5b7156aeebd2f611c49c5d3f8d6ff9d3752161209c368b2b55bc96851d7116b8f3892dd5f005e45a76ef89b8d706ac5229936f6ce391ca14

    • SSDEEP

      3072:ajRfxxeuQdKdvZO5rNRGtGzy4X8I4U9yY5YGOGELlV:at/Qd6oNRbWYAuc

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Modifies file permissions

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Email Collection

1
T1114

Tasks