General
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Target
6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d
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Size
1.7MB
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Sample
240516-3zjt8sfd9w
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MD5
445c97f698db73056437f42b1d431f93
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SHA1
b70ee72867b8faa0039e552555191c6006bfca2b
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SHA256
6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d
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SHA512
2099798eb9451b442bd500615c4f5bd1ad950ff9d9fb61dc2dbbf6f34bf1c26b9476fb281d4542e609c5f0e72ef60f7d3d10afa244b2e6bfbdb71008776f75fe
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SSDEEP
49152:L1ZxWMiLZe8YuT9rGX1UJyAv3no9AKFetxJW:LLxW5ZefCdaC7MFetxE
Behavioral task
behavioral1
Sample
6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
amadey
4.20
18befc
http://5.42.96.141
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install_dir
908f070dff
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install_file
explorku.exe
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strings_key
b25a9385246248a95c600f9a061438e1
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url_paths
/go34ko8/index.php
Extracted
risepro
147.45.47.126:58709
Extracted
amadey
4.20
c767c0
http://5.42.96.7
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install_dir
7af68cdb52
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install_file
axplons.exe
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strings_key
e2ce58e78f631ed97d01fe7b70e85d5e
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url_paths
/zamo7h/index.php
Extracted
redline
1
185.215.113.67:26260
Extracted
redline
@CLOUDYTTEAM
185.172.128.33:8970
Extracted
lumma
https://smallelementyjdui.shop/api
Targets
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Target
6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d
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Size
1.7MB
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MD5
445c97f698db73056437f42b1d431f93
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SHA1
b70ee72867b8faa0039e552555191c6006bfca2b
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SHA256
6fba5a67a20fffc5773724d7d5fddcf5e66c3559c95a9c77e45ceb42d3896e5d
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SHA512
2099798eb9451b442bd500615c4f5bd1ad950ff9d9fb61dc2dbbf6f34bf1c26b9476fb281d4542e609c5f0e72ef60f7d3d10afa244b2e6bfbdb71008776f75fe
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SSDEEP
49152:L1ZxWMiLZe8YuT9rGX1UJyAv3no9AKFetxJW:LLxW5ZefCdaC7MFetxE
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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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Modifies firewall policy service
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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XMRig Miner payload
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Detects executables (downlaoders) containing URLs to raw contents of a paste
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Detects executables packed with Themida
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Detects executables packed with or use KoiVM
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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Sets service image path in registry
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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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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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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 cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Drops Chrome extension
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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 Enterprise v15
Execution
Command and Scripting Interpreter
3PowerShell
2Scheduled Task/Job
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Browser Extensions
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
6Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
11Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2