Static task
static1
Behavioral task
behavioral1
Sample
2024-03-29_7ca6c21f7bc737c1b8d3a72ebd63f681_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-29_7ca6c21f7bc737c1b8d3a72ebd63f681_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_7ca6c21f7bc737c1b8d3a72ebd63f681_cryptolocker
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Size
47KB
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MD5
7ca6c21f7bc737c1b8d3a72ebd63f681
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SHA1
1ff3e42ac00f9058d27d4490df26632ed7b072a1
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SHA256
9a4674022e2b86dd6b158cc1377764ce8ee923666fddae03ad9cf2b57abf3c7c
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SHA512
dce6834d93bec5599d15f5573e66a4072f96f7fe539672b51d992ba4440c31dfd4e91f265fcee68ff7c888a88f195a2c1b5cf0d238939f91c49d73bfe1b6ceeb
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6ddLn:bgGYcA/53GAA6y37Q6ddL
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 2024-03-29_7ca6c21f7bc737c1b8d3a72ebd63f681_cryptolocker
Files
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2024-03-29_7ca6c21f7bc737c1b8d3a72ebd63f681_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