Static task
static1
Behavioral task
behavioral1
Sample
2024-02-01_fcbfc0422a0f4eef7adc8f675f240cc0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-01_fcbfc0422a0f4eef7adc8f675f240cc0_cryptolocker.exe
Resource
win10v2004-20231222-en
General
-
Target
2024-02-01_fcbfc0422a0f4eef7adc8f675f240cc0_cryptolocker
-
Size
384KB
-
MD5
fcbfc0422a0f4eef7adc8f675f240cc0
-
SHA1
456fe60ad24898bc3b61a876ff4e097355daa3ec
-
SHA256
b0c515a6b04f7c83ed5e101d8f08aad311d556b324d5cdb370c94ff7fd42299a
-
SHA512
babf0aa80fc27c73b51cb1abb156f4182b2606d14bf87f7cf35c31a68b7fada65cc177affc909e0b6e4a50e1881898ba7dce27c1bdb3843e47acf31bbec6b11d
-
SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXO:nnOflT/ZFIjBz3xjTxynGUOUhXO
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-01_fcbfc0422a0f4eef7adc8f675f240cc0_cryptolocker
Files
-
2024-02-01_fcbfc0422a0f4eef7adc8f675f240cc0_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