Static task
static1
Behavioral task
behavioral1
Sample
2024-04-25_3b1333a77167c2a664b58d14c3b4d1fd_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-25_3b1333a77167c2a664b58d14c3b4d1fd_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_3b1333a77167c2a664b58d14c3b4d1fd_cryptolocker
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Size
39KB
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MD5
3b1333a77167c2a664b58d14c3b4d1fd
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SHA1
2a8b53a7caf851582e8a715ee9029b75d8376cc8
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SHA256
8ab4dcd6e6db0f24683fd2851381a74b84332a12c91177ef8b791a148f5e9645
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SHA512
5905f0f19f397093f46e7ab34e704b09b10c05b5f37e8f2de4f528c9a660a469c711271e95f03a6c84fb2fd15386b4b9037df1267af3f42d73bfca72ded32c29
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SSDEEP
768:bA74zYcgT/Ekd0ryfjPIunqpeNswmxT4Hmp:bA6YcA/X6G0W1BGp
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 2024-04-25_3b1333a77167c2a664b58d14c3b4d1fd_cryptolocker
Files
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2024-04-25_3b1333a77167c2a664b58d14c3b4d1fd_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