General
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Target
https://www.dropbox.com/s/v74d5j0q01fe6uk/File.zip?dl=0
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Sample
220915-kj2e8scdh7
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://www.dropbox.com/s/v74d5j0q01fe6uk/File.zip?dl=0
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
https://www.dropbox.com/s/v74d5j0q01fe6uk/File.zip?dl=0
Resource
win10v2004-20220812-en
Malware Config
Extracted
privateloader
http://163.123.143.4/proxies.txt
http://107.182.129.251/server.txt
pastebin.com/raw/A7dSG1te
http://wfsdragon.ru/api/setStats.php
163.123.143.12
http://91.241.19.125/pub.php?pub=one
http://sarfoods.com/index.php
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payload_url
https://vipsofts.xyz/files/mega.bmp
Extracted
nymaim
208.67.104.97
85.31.46.167
Extracted
redline
nam6.2
103.89.90.61:34589
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auth_value
4040fe7c77de89cf1a6f4cebd515c54c
Extracted
redline
ruzki14
176.113.115.146:9582
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auth_value
688c6d70531c05d3fba22723e72366f6
Extracted
redline
RRMoney
81.161.229.243:28479
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auth_value
c8bfeb3e3eb6477db90f28556d840227
Extracted
redline
3108_RUZKI
213.219.247.199:9452
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auth_value
f71fed1cd094e4e1eb7ad1c53e542bca
Extracted
redline
@joker_reborn
20.111.62.187:12944
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auth_value
3bef5f3e00b75e26d1f1fc60672cd81d
Targets
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Target
https://www.dropbox.com/s/v74d5j0q01fe6uk/File.zip?dl=0
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detects Smokeloader packer
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Modifies system executable filetype association
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Modifies Windows Firewall
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Registers COM server for autorun
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Accesses Microsoft Outlook accounts
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Creates a large amount of network flows
This may indicate a network scan to discover remotely running services.
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Drops Chrome extension
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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
2Change Default File Association
1Registry Run Keys / Startup Folder
2Scheduled Task
1Hidden Files and Directories
1Defense Evasion
Modify Registry
6Disabling Security Tools
1Virtualization/Sandbox Evasion
1Install Root Certificate
1Hidden Files and Directories
1