Static task
static1
Behavioral task
behavioral1
Sample
2024-01-23_fb9a211fba7bc7364a5e0ccd24fcb7eb_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_fb9a211fba7bc7364a5e0ccd24fcb7eb_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-23_fb9a211fba7bc7364a5e0ccd24fcb7eb_cryptolocker
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Size
45KB
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MD5
fb9a211fba7bc7364a5e0ccd24fcb7eb
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SHA1
2b7541a8b032fd38453bf36c898cf28642cbe4ba
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SHA256
59cb7eb2f2d68a5ec665671969c3315a0af8cabee4032ceccf0db5e28e4782c6
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SHA512
42aa7c2c11ef32a0941873561d0e5b3fd1562e1a2b104b3e88c22a3027a5690b898ca0f441fe555d4d42d6f211dedf7c10ab79c4b7e6f97e19e4b384172cd47d
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dE+:bgGYcA/53GAA6y37Q6dJ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-23_fb9a211fba7bc7364a5e0ccd24fcb7eb_cryptolocker
Files
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2024-01-23_fb9a211fba7bc7364a5e0ccd24fcb7eb_cryptolocker.exe windows:5 windows x86 arch:x86
021d5e7849e90fdf4c65d3045c109483
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos
kernel32
GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.ropf Size: 512B - Virtual size: 101B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ