General
-
Target
7679f6d0b98d1e6b4a15f1a1cacbcc8b97afe461fd50772409e6c5b769ede095
-
Size
3.5MB
-
Sample
220312-1v4mqsbeb3
-
MD5
036fdd84f4f1b570c9fd839b83942e7e
-
SHA1
b2b55c9d88d41ae74ee091fbb7f92c9b5335b75b
-
SHA256
7679f6d0b98d1e6b4a15f1a1cacbcc8b97afe461fd50772409e6c5b769ede095
-
SHA512
cc8ec2264810076489892e2dea2465fa701ce16fd7800d952d546b6b5e7fa1c053b9850eb77d28c8ea4573de903638b1c3d57c9ec1a95de9cda728024e630e2c
Static task
static1
Behavioral task
behavioral1
Sample
7679f6d0b98d1e6b4a15f1a1cacbcc8b97afe461fd50772409e6c5b769ede095.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
7679f6d0b98d1e6b4a15f1a1cacbcc8b97afe461fd50772409e6c5b769ede095.exe
Resource
win10v2004-en-20220113
Malware Config
Extracted
djvu
http://fuyt.org/test3/get.php
-
extension
.xcbg
-
offline_id
y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1
-
payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/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-zHDj26n4NW 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@sysmail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0417Jsfkjn
Extracted
vidar
39.4
706
https://sergeevih43.tumblr.com/
-
profile_id
706
Extracted
tofsee
patmushta.info
ovicrush.cn
Extracted
C:\Users\Admin\AppData\Local\Temp\MicrosoftPaks\Files\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Settings_{818224cf-1e1a-4e39-88ab-33357b8e943d}\0.0.filtertrie.intermediate.txt
Extracted
redline
ServAni
87.251.71.195:82
Extracted
smokeloader
2020
http://ppcspb.com/upload/
http://mebbing.com/upload/
http://twcamel.com/upload/
http://howdycash.com/upload/
http://lahuertasonora.com/upload/
http://kpotiques.com/upload/
Extracted
redline
ruzkida
185.11.73.55:22201
-
auth_value
000938fe0d697ca6a3b6cee46ba02ff3
Extracted
redline
ruzki12_03
176.122.23.55:11768
-
auth_value
c51ddc8008e8581a01cec6e8291c5530
Targets
-
-
Target
7679f6d0b98d1e6b4a15f1a1cacbcc8b97afe461fd50772409e6c5b769ede095
-
Size
3.5MB
-
MD5
036fdd84f4f1b570c9fd839b83942e7e
-
SHA1
b2b55c9d88d41ae74ee091fbb7f92c9b5335b75b
-
SHA256
7679f6d0b98d1e6b4a15f1a1cacbcc8b97afe461fd50772409e6c5b769ede095
-
SHA512
cc8ec2264810076489892e2dea2465fa701ce16fd7800d952d546b6b5e7fa1c053b9850eb77d28c8ea4573de903638b1c3d57c9ec1a95de9cda728024e630e2c
-
Detected Djvu ransomware
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
RedLine Payload
-
Suspicious use of NtCreateUserProcessOtherParentProcess
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
OnlyLogger Payload
-
Vidar Stealer
-
Blocklisted process makes network request
-
Creates new service(s)
-
Downloads MZ/PE file
-
Executes dropped EXE
-
Modifies Windows Firewall
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Loads dropped DLL
-
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.
-
Legitimate hosting services abused for malware hosting/C2
-
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 NtSetInformationThreadHideFromDebugger
-
Suspicious use of SetThreadContext
-
MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Modify Registry
3Disabling Security Tools
1Virtualization/Sandbox Evasion
1