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10-12-2022 10:44

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09-12-2022 20:12

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04-12-2022 13:12

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29-11-2022 09:15

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29-11-2022 09:08

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General

  • Target

    ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e

  • Size

    146KB

  • Sample

    221129-syd79afa3z

  • MD5

    2c6e6e290972fcd5e556efccfd51f174

  • SHA1

    ec3de0785e4ccd0282e92e35c915ddb72832fd83

  • SHA256

    ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e

  • SHA512

    a7077bf87ad233413322dd55d4c1ed684d5ebd70e9451307d9f70ba1888688fa5b375a6006803da9e9cc800be7bc928230ad26a889e88c907854a8bc73ad539f

  • SSDEEP

    1536:KQsw8LQ+Z9DjjSD60zzeE2G95Vz6B6yRTj9AU44YxSs2gdIuV8Vm3PkO0v0RDQBK:KjiSd/LHG9516B6cv44WdX80/VDmGp

Malware Config

Extracted

Path

C:\_readme.txt

Family

djvu

Ransom Note
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: support@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0608JhyjdVEqkcaVIxMLd1m3qIE2V0o4dDI9mGsE02NWUTjMh
Emails

support@fishmail.top

datarestorehelp@airmail.cc

URLs

https://we.tl/t-lj5qINGbTc

Extracted

Family

amadey

Version

3.50

C2

193.56.146.194/h49vlBP/index.php

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: support@fishmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0608Jhyjd

rsa_pubkey.plain

Extracted

Family

vidar

Version

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e

    • Size

      146KB

    • MD5

      2c6e6e290972fcd5e556efccfd51f174

    • SHA1

      ec3de0785e4ccd0282e92e35c915ddb72832fd83

    • SHA256

      ee1d1018f825ffa2d507f0d58a3a2c9d14a2b4a9c351e7d3fa05d29063488b9e

    • SHA512

      a7077bf87ad233413322dd55d4c1ed684d5ebd70e9451307d9f70ba1888688fa5b375a6006803da9e9cc800be7bc928230ad26a889e88c907854a8bc73ad539f

    • SSDEEP

      1536:KQsw8LQ+Z9DjjSD60zzeE2G95Vz6B6yRTj9AU44YxSs2gdIuV8Vm3PkO0v0RDQBK:KjiSd/LHG9516B6cv44WdX80/VDmGp

    • Amadey

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

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Registers COM server for autorun

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

2
T1060

Browser Extensions

1
T1176

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

4
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks