Analysis
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max time kernel
299s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
20-11-2024 00:15
General
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Target
trucry.exe
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Size
527KB
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MD5
548bbee5bde54f123e7f3704a3a9116a
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SHA1
7236dc5821b1e9fcde0a227de57f928af5f7edb5
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SHA256
623fdfb190b9cd0a1d8729842efd1edf41aec13dda70e447a69b7f94921a0f88
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SHA512
bf113c90707d38fcbb6ecd0b33cbb564d0c15c37970e293ce2d1f7b8541fb823b3380e02a8c5c5064ee830ef35c9f228f9cd705e22f7651c5ad73b4b5ac3ecca
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SSDEEP
6144:l1n1kY7ejab1KDnn5mumMrkPtbFenNP3Fhwg9S1G:r13bKbmMrkyPVhTS1
Score
10/10
Malware Config
Signatures
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UAC bypass 3 TTPs 3 IoCs
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Renames multiple (67) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Drops desktop.ini file(s) 1 IoCs
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
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Modifies system certificate store 2 TTPs 2 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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System policy modification 1 TTPs 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\trucry.exe"C:\Users\Admin\AppData\Local\Temp\trucry.exe"1⤵
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
4KB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB
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Filesize
9.6MB