Static task
static1
Behavioral task
behavioral1
Sample
2024-03-11_332a19a1f4e8b75b1e8b059334ad2bc1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_332a19a1f4e8b75b1e8b059334ad2bc1_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-11_332a19a1f4e8b75b1e8b059334ad2bc1_cryptolocker
-
Size
386KB
-
MD5
332a19a1f4e8b75b1e8b059334ad2bc1
-
SHA1
2d75c6d8570c06f3e19a5ba25ee9476cdb7b1378
-
SHA256
3b250174442a7e79e844ea14cfd4944ee202451ad5bcd703cb447b1f08fcdc90
-
SHA512
f4642f61a10fde6dd9a270aba7b711daa28c6b1043dbe6066a13cfb3f011eff6b9ecda7cf3d2e77eb51d5957e38f27cfcbc140b23c2bad31e92b6e70b642c5a8
-
SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzX8:nnOflT/ZFIjBz3xjTxynGUOUhX8
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 2024-03-11_332a19a1f4e8b75b1e8b059334ad2bc1_cryptolocker
Files
-
2024-03-11_332a19a1f4e8b75b1e8b059334ad2bc1_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