Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_0ef45fc0893cc07d267e728f95e95e5e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-27_0ef45fc0893cc07d267e728f95e95e5e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-27_0ef45fc0893cc07d267e728f95e95e5e_cryptolocker
-
Size
39KB
-
MD5
0ef45fc0893cc07d267e728f95e95e5e
-
SHA1
45a01c5b8995ee1ee9adfee6a7e3aa9f5087a9e7
-
SHA256
21e41ef782b3b957a64619fb41f15f5822a7020ea9ec0b6b1825fee745ae49d8
-
SHA512
75e6bcc2faae9b84ad26748bc92fd290761c2158221bed691221fd942638f5eb51b381444d50cd15b9c8d883a147a175beb4977f6f20751677c3973e42981e05
-
SSDEEP
384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZnfX2cH6:bgX4zYcgTEu6QOaryfjqDDw3sCu5mXi
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 2024-03-27_0ef45fc0893cc07d267e728f95e95e5e_cryptolocker
Files
-
2024-03-27_0ef45fc0893cc07d267e728f95e95e5e_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