Resubmissions

29-11-2022 08:25

221129-kbqc1afb4t 1

29-11-2022 07:06

221129-hxlktsag7x 10

General

  • Target

    fb5798780427ffd3c458ef9b70313c3af8fa36cb9b5f99cccfd151e0f358426d

  • Size

    146KB

  • Sample

    221129-hxlktsag7x

  • MD5

    91d980ff1efbeb9d82715bc129be3054

  • SHA1

    188b6793d4790ee18f0320fc0c83abd0942b36d3

  • SHA256

    fb5798780427ffd3c458ef9b70313c3af8fa36cb9b5f99cccfd151e0f358426d

  • SHA512

    3742578f37eb07e759d543f3ad457958d0f7156d9773a8edb58449c201385f12cf37ff6f736b79db55a832680a4d900b6f7d97b276ebb7d6535b7afc0c2890ba

  • SSDEEP

    3072:bbNjpepSh95IbQDJVhu7jS/xfJVN8fMhVH2:9jcc+sFVtf58fEVH

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

rsa_pubkey.plain

Extracted

Family

amadey

Version

3.50

C2

193.56.146.194/h49vlBP/index.php

Extracted

Family

vidar

Version

55.9

Botnet

517

C2

https://t.me/headshotsonly

https://steamcommunity.com/profiles/76561199436777531

Attributes
  • profile_id

    517

Targets

    • Target

      fb5798780427ffd3c458ef9b70313c3af8fa36cb9b5f99cccfd151e0f358426d

    • Size

      146KB

    • MD5

      91d980ff1efbeb9d82715bc129be3054

    • SHA1

      188b6793d4790ee18f0320fc0c83abd0942b36d3

    • SHA256

      fb5798780427ffd3c458ef9b70313c3af8fa36cb9b5f99cccfd151e0f358426d

    • SHA512

      3742578f37eb07e759d543f3ad457958d0f7156d9773a8edb58449c201385f12cf37ff6f736b79db55a832680a4d900b6f7d97b276ebb7d6535b7afc0c2890ba

    • SSDEEP

      3072:bbNjpepSh95IbQDJVhu7jS/xfJVN8fMhVH2:9jcc+sFVtf58fEVH

    • Amadey

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

    • Detect Amadey credential stealer module

    • 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

    • Executes dropped EXE

    • Deletes itself

    • 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.

    • 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

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks