General
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Target
b662fc479161e92aee6749fa4deb969c12a43eb4b34e913d1340671eba98b64c
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Size
1.5MB
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Sample
240516-zcrd1sfc7t
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MD5
7f5800f336ab3e718a8621b07b54ea14
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SHA1
358914195e96ed04954bdb52f3388ba2075489a8
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SHA256
b662fc479161e92aee6749fa4deb969c12a43eb4b34e913d1340671eba98b64c
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SHA512
be0813ddeda3648bf69ad947c24f588030d5f9cb9ab00aab4b70246a7d96c3d82ca11c58074b65e8213ea5cf70e966b530d1f048ab7457fd5a96e28a18985e98
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SSDEEP
24576:Gz/nQKPDuahwSbEk+vQS70ziXOAo9trt4on6ntx3fz4WIhmswsMVkDw56/Xkouw5:4/zPDSxQC0ziXOB9xh6tx3fkNpuV76f7
Behavioral task
behavioral1
Sample
b662fc479161e92aee6749fa4deb969c12a43eb4b34e913d1340671eba98b64c.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
b662fc479161e92aee6749fa4deb969c12a43eb4b34e913d1340671eba98b64c.exe
Resource
win11-20240508-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
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
risepro
147.45.47.126:58709
Extracted
redline
@CLOUDYTTEAM
185.172.128.33:8970
Extracted
redline
1
185.215.113.67:26260
Extracted
stealc
zzvv
http://23.88.106.134
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url_path
/c73eed764cc59dcb.php
Extracted
lumma
https://headraisepresidensu.shop/api
https://sofaprivateawarderysj.shop/api
https://lineagelasserytailsd.shop/api
https://tendencyportionjsuk.shop/api
https://appetitesallooonsj.shop/api
https://minorittyeffeoos.shop/api
https://prideconstituiiosjk.shop/api
https://smallelementyjdui.shop/api
Targets
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Target
b662fc479161e92aee6749fa4deb969c12a43eb4b34e913d1340671eba98b64c
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Size
1.5MB
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MD5
7f5800f336ab3e718a8621b07b54ea14
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SHA1
358914195e96ed04954bdb52f3388ba2075489a8
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SHA256
b662fc479161e92aee6749fa4deb969c12a43eb4b34e913d1340671eba98b64c
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SHA512
be0813ddeda3648bf69ad947c24f588030d5f9cb9ab00aab4b70246a7d96c3d82ca11c58074b65e8213ea5cf70e966b530d1f048ab7457fd5a96e28a18985e98
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SSDEEP
24576:Gz/nQKPDuahwSbEk+vQS70ziXOAo9trt4on6ntx3fz4WIhmswsMVkDw56/Xkouw5:4/zPDSxQC0ziXOB9xh6tx3fkNpuV76f7
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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Modifies Windows Firewall
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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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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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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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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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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
2PowerShell
2Scheduled Task/Job
1System Services
2Service Execution
2Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
5Disable or Modify System Firewall
1Disable or Modify Tools
3Modify Registry
6Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2