General
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Target
4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328
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Size
1.8MB
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Sample
240328-vkryasbc4x
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MD5
49f89f83647e54b0f496f20b0df58e1e
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SHA1
5c2f8a91817f95d4878297313ffd70255307a949
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SHA256
4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328
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SHA512
73587f588cae207b17b20560feb55666f3f37b73dbf3a2e1d0359fdbb811b447b4e11bca7b033bfb9e55f85a51872320b6260913b6655ec8cbe0fbc9ab486048
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SSDEEP
49152:CQn88Fvx4hPTXsF8Q/ZfswF4lFQq7uixtv:9nr8Q/KwylFruQtv
Static task
static1
Behavioral task
behavioral1
Sample
4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
redline
@OLEH_PSP
185.172.128.33:8970
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Extracted
redline
Jok123
185.215.113.67:26260
Extracted
smokeloader
2022
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Extracted
amadey
4.17
http://185.215.113.32
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Targets
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Target
4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328
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Size
1.8MB
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MD5
49f89f83647e54b0f496f20b0df58e1e
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SHA1
5c2f8a91817f95d4878297313ffd70255307a949
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SHA256
4f2b899794b2d6a919315f5c36c6933786744c09f10ccb2b4c2cd8001d121328
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SHA512
73587f588cae207b17b20560feb55666f3f37b73dbf3a2e1d0359fdbb811b447b4e11bca7b033bfb9e55f85a51872320b6260913b6655ec8cbe0fbc9ab486048
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SSDEEP
49152:CQn88Fvx4hPTXsF8Q/ZfswF4lFQq7uixtv:9nr8Q/KwylFruQtv
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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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Detect ZGRat V1
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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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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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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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Modifies file permissions
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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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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
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2Credential Access
Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1