Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_e5e8f3143c0da0047acfd803876e77e6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_e5e8f3143c0da0047acfd803876e77e6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_e5e8f3143c0da0047acfd803876e77e6_cryptolocker
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Size
385KB
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MD5
e5e8f3143c0da0047acfd803876e77e6
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SHA1
e3e223109e1cf3096d802291282ae69fc9d32e1c
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SHA256
30855dc146ed2a168a8a75cb2406d27a7298a67f9cafabbe306ab263128cf405
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SHA512
8cbeb4c07c84c79c0d6f83addb983fcfe01a4dd3765aeadd1e486709564b5293130ebdae3c5e4adb5ef96c8fb030e7e6c2bd136581604be135136a021b7bc679
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzX5:nnOflT/ZFIjBz3xjTxynGUOUhX5
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 2024-02-13_e5e8f3143c0da0047acfd803876e77e6_cryptolocker
Files
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2024-02-13_e5e8f3143c0da0047acfd803876e77e6_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