General
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Target
BrowserCollector_x64.exe
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Size
779KB
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Sample
240823-dytwdashkb
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MD5
71b5e70a257f47dd6c9ead4f1010bd88
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SHA1
f75c41ecbf6f34ca0048534d72f8847b37c38229
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SHA256
9edcf4905388c25cb2782272ed5458157c6fded7d6e5ef0439102f1c74fd9925
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SHA512
475fd6c74c835fcdc765b56bb7baa18926e6da6c497f160386429938148f9277447918a678b41c9bf1293988896530f4fcac17d1fa93f630a446263f07d9f45f
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SSDEEP
12288:ksUHsZCB1OcBfiv3P6gIo/Bw9av4Xzo0P9MqETKTvNo4UvXCt:k3RB8Wfiv3PJImBw9ag5P9MqETWxI
Static task
static1
Behavioral task
behavioral1
Sample
BrowserCollector_x64.exe
Resource
win11-20240802-en
Malware Config
Extracted
C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Targets
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Target
BrowserCollector_x64.exe
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Size
779KB
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MD5
71b5e70a257f47dd6c9ead4f1010bd88
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SHA1
f75c41ecbf6f34ca0048534d72f8847b37c38229
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SHA256
9edcf4905388c25cb2782272ed5458157c6fded7d6e5ef0439102f1c74fd9925
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SHA512
475fd6c74c835fcdc765b56bb7baa18926e6da6c497f160386429938148f9277447918a678b41c9bf1293988896530f4fcac17d1fa93f630a446263f07d9f45f
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SSDEEP
12288:ksUHsZCB1OcBfiv3P6gIo/Bw9av4Xzo0P9MqETKTvNo4UvXCt:k3RB8Wfiv3PJImBw9ag5P9MqETWxI
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Modifies visibility of file extensions in Explorer
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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
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1Modify Registry
6