Resubmissions
15/03/2026, 18:51
260315-xhxf4sey9m12/10/2025, 13:11
251012-qfcwcswsf112/10/2025, 09:16
251012-k8qp2atwcs124/02/2024, 22:11
240224-138lnagd71724/02/2024, 22:08
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240221-cp3lgshf4t721/02/2024, 01:57
240221-cdsl5saa361021/02/2024, 01:53
240221-ca5gjahh867General
- Target Myau-240105-cracked (1).jar
- Size 1.6MB
- Sample240221-cdsl5saa36
- SHA256 e79735e48a7cdaaf0f91cffda247eea8a4bbebaf39aebccad54f4cf23b5e7f8a
- MD5 9115e3db16b63fb1a254f3bd57ad5893
- SHA1 9c32dfffb1582ad8df15f4464b0a246d81b06f48
- SHA512 9b6481c30f5a58cdfca9d1702e059a46dfcdcb5773f1f6ef7d324050f287bd503159f316e7b0cedc2fe396326fd9e57685627c8257f4248e5057c0bbac78f77d
- SSDEEP 24576:V96G/x8Z/QUTbjvgizYcftFdGmDAhQW3ZV2gDSGuGqZBXOYS8flT6lqYI:V9xxOBPrgGfDfDAKW3ZV2FLbZBeNYB
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
Myau-240105-cracked (1).jar
Resource
win11-20240214-en
Malware Config
Targets
-
- Target Myau-240105-cracked (1).jar
- Size 1.6MB
- SHA256 e79735e48a7cdaaf0f91cffda247eea8a4bbebaf39aebccad54f4cf23b5e7f8a
- MD5 9115e3db16b63fb1a254f3bd57ad5893
- SHA1 9c32dfffb1582ad8df15f4464b0a246d81b06f48
- SHA512 9b6481c30f5a58cdfca9d1702e059a46dfcdcb5773f1f6ef7d324050f287bd503159f316e7b0cedc2fe396326fd9e57685627c8257f4248e5057c0bbac78f77d
- SSDEEP 24576:V96G/x8Z/QUTbjvgizYcftFdGmDAhQW3ZV2gDSGuGqZBXOYS8flT6lqYI:V9xxOBPrgGfDfDAKW3ZV2FLbZBeNYB
- MD5 SHA1 SHA512 SSDEEP
-
Chimera
Ransomware which infects local and network files, often distributed via Dropbox links.
-
Chimera Ransomware Loader DLL
Drops/unpacks executable file which resembles Chimera's Loader.dll.
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Modifies WinLogon for persistence
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Renames multiple (3381) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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Modifies Installed Components in the registry
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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Drops desktop.ini file(s)
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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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Modifies WinLogon
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Drops file in System32 directory
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Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
2Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
2Winlogon Helper DLL
2Defense Evasion
File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Modify Registry
6