Static task
static1
Behavioral task
behavioral1
Sample
2024-02-14_543cc7ab144b60f7fb02e1f4453ff9d0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-14_543cc7ab144b60f7fb02e1f4453ff9d0_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-14_543cc7ab144b60f7fb02e1f4453ff9d0_cryptolocker
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Size
385KB
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MD5
543cc7ab144b60f7fb02e1f4453ff9d0
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SHA1
f99edd95b63624cd913907c964217767ede8729b
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SHA256
2db2505da9b8316f7734a068d02313c040b716bba54fdcfc1f048993b45d8401
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SHA512
a2284af0bf8c0848718d360c821447627f9a2f958e0a85a95f210c4757a79e275a90dbc4bc4cedb6f1c57ca94b9b14d45a533abeb451ccceafe5cf3e3d5e550b
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXo:nnOflT/ZFIjBz3xjTxynGUOUhXo
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 2024-02-14_543cc7ab144b60f7fb02e1f4453ff9d0_cryptolocker
Files
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2024-02-14_543cc7ab144b60f7fb02e1f4453ff9d0_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