General
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Target
jsm_sas.rbxm
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Size
592KB
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Sample
240827-3lzzasydrr
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MD5
8868b47dca5975929f896e93d0c7d52c
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SHA1
65783e973c97fd74d9d4ae131a77edb5e69ab909
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SHA256
c88161c58bfec207c4a9da9598d24a6a4cdc83e81a123bf3c38c188f03bfad62
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SHA512
e8388afb220b48d9a6fa8d32cc652258307ddfb39fdfcf5e9d5a631f23ff6ab005c3be371d1d2e015e1db8a4fa1b5cf306e52f4f77c075da58316aaa245223f3
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SSDEEP
12288:WLaIb4s0L6cI58hGQDcrPyavp7R1R0Fb7ptJLZilvQbp:WLaV1e0cPyE7R1wb7o8
Static task
static1
Behavioral task
behavioral1
Sample
jsm_sas.rbxm
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\AppData\Local\Temp\Temp1_WannaCrypt0r (1).zip\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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-
Target
jsm_sas.rbxm
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Size
592KB
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MD5
8868b47dca5975929f896e93d0c7d52c
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SHA1
65783e973c97fd74d9d4ae131a77edb5e69ab909
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SHA256
c88161c58bfec207c4a9da9598d24a6a4cdc83e81a123bf3c38c188f03bfad62
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SHA512
e8388afb220b48d9a6fa8d32cc652258307ddfb39fdfcf5e9d5a631f23ff6ab005c3be371d1d2e015e1db8a4fa1b5cf306e52f4f77c075da58316aaa245223f3
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SSDEEP
12288:WLaIb4s0L6cI58hGQDcrPyavp7R1R0Fb7ptJLZilvQbp:WLaV1e0cPyE7R1wb7o8
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Drops startup file
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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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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Legitimate hosting services abused for malware hosting/C2
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Indicator Removal
1File Deletion
1Modify Registry
3