Static task
static1
Behavioral task
behavioral1
Sample
2024-05-05_f0bf0ce77a4865c9950349d75dbf4a67_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-05_f0bf0ce77a4865c9950349d75dbf4a67_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-05_f0bf0ce77a4865c9950349d75dbf4a67_cryptolocker
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Size
31KB
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MD5
f0bf0ce77a4865c9950349d75dbf4a67
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SHA1
5e3775b1316fa64d7af41108047bf5a2e5d909e5
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SHA256
b6b8b3878e4b5ee10d3f489c205fc1b9b90a1fa3031c80b6b9323089344a0ef6
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SHA512
6bad4d5df2ad210c6f0203fe6db5dbb158a8bf2498a7d999da15190ca40f7f0d987f9addac29b924a5cf322e3d8209517813b0e7995ecf005066a9ac5423f325
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SSDEEP
384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvC:bG74zYcgT/Ekd0ryfjkC
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 2024-05-05_f0bf0ce77a4865c9950349d75dbf4a67_cryptolocker
Files
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2024-05-05_f0bf0ce77a4865c9950349d75dbf4a67_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
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE