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General
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Target
9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95
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Size
1.7MB
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Sample
240519-yjyagaeh5x
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MD5
a7ebaf81abe217a8cb36524f5d61a348
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SHA1
e821e45c6b111eeca1fc128bf2b3d899da133d5c
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SHA256
9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95
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SHA512
c5bc33ea2f46104784a11a0c9e28c1d9e0d9c2160632b3bca5aee1e32dcfddcb1394f9228cbc67fa7e4fcfb54baff30187e486f67855fc08381d388bbd08f62d
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SSDEEP
49152:Z5rAue2nx0SYOxllBSyIO/UNDRgPFOyLZ3McWUN+1f64:Z5MInx0SYgllIv/VRg398c9+15
Behavioral task
behavioral1
Sample
9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95.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
https://d22hce23hy1ej9.cloudfront.net/load/th.php?a=2836&c=1002
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=458&c=1002
Extracted
https://d22hce23hy1ej9.cloudfront.net/load/dl.php?id=444&c=1002
Targets
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Target
9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95
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Size
1.7MB
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MD5
a7ebaf81abe217a8cb36524f5d61a348
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SHA1
e821e45c6b111eeca1fc128bf2b3d899da133d5c
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SHA256
9a8eb253e846736d49e384075dd16e22a4bdf2427c9a0181b10598014c2e1c95
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SHA512
c5bc33ea2f46104784a11a0c9e28c1d9e0d9c2160632b3bca5aee1e32dcfddcb1394f9228cbc67fa7e4fcfb54baff30187e486f67855fc08381d388bbd08f62d
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SSDEEP
49152:Z5rAue2nx0SYOxllBSyIO/UNDRgPFOyLZ3McWUN+1f64:Z5MInx0SYgllIv/VRg398c9+15
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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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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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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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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
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1