Behavioral task
behavioral1
Sample
2024-10-12_b5ad8e693cd712c88437c43aa732772c_cryptolocker.exe
Resource
win7-20240903-en
General
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Target
2024-10-12_b5ad8e693cd712c88437c43aa732772c_cryptolocker
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Size
124KB
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MD5
b5ad8e693cd712c88437c43aa732772c
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SHA1
11787ae8ef8c63ba0c8646a8c3fc14fe50fb767c
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SHA256
fd8c535adecb56c4fcbc0489fa7584f33f0455f8014c0df5e4c336e1b397136c
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SHA512
0421590ed3f8bef2aaa7c022b2c9466c7417de07097651540b99f044b71e2e33739cc3c7d1c13fd58441073739c98baa2bc5b86506818ddf0c8f658d7bccb080
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SSDEEP
384:bF5FQrdSmuQ7Dl1ovmXAw9PMDREhi9OUSPlRxMc/cipv7Yfqxpj5cpyIuYxVe3Fe:bF5m5zuuDOw9UiaiWUB2preAr+Ofjm3q
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-12_b5ad8e693cd712c88437c43aa732772c_cryptolocker
Files
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2024-10-12_b5ad8e693cd712c88437c43aa732772c_cryptolocker.exe windows:5 windows x86 arch:x86
538a1c1a7578ec515117a8a6d17e3262
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA
gdi32
CreateFontIndirectA
user32
EndPaint
GetMessageA
DispatchMessageA
ShowWindow
UpdateWindow
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
PostQuitMessage
GetWindowRect
Sections
UPX0 Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 80KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE