General
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Target
desktop.ini
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Size
282B
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Sample
240820-yp9wfs1and
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MD5
3a37312509712d4e12d27240137ff377
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SHA1
30ced927e23b584725cf16351394175a6d2a9577
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SHA256
b029393ea7b7cf644fb1c9f984f57c1980077562ee2e15d0ffd049c4c48098d3
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SHA512
dbb9abe70f8a781d141a71651a62a3a743c71a75a8305e9d23af92f7307fb639dc4a85499115885e2a781b040cbb7613f582544c2d6de521e588531e9c294b05
Static task
static1
Behavioral task
behavioral1
Sample
desktop.ini
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
desktop.ini
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
desktop.ini
Resource
win11-20240802-en
Malware Config
Extracted
C:\Users\Admin\Downloads\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
desktop.ini
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Size
282B
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MD5
3a37312509712d4e12d27240137ff377
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SHA1
30ced927e23b584725cf16351394175a6d2a9577
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SHA256
b029393ea7b7cf644fb1c9f984f57c1980077562ee2e15d0ffd049c4c48098d3
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SHA512
dbb9abe70f8a781d141a71651a62a3a743c71a75a8305e9d23af92f7307fb639dc4a85499115885e2a781b040cbb7613f582544c2d6de521e588531e9c294b05
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Suspicious use of NtCreateProcessExOtherParentProcess
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
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Downloads MZ/PE file
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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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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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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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Drops file in System32 directory
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
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
4