Static task
static1
Behavioral task
behavioral1
Sample
2024-05-20_a9828c8c9c006d36c28cb1064f7e74f1_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-20_a9828c8c9c006d36c28cb1064f7e74f1_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-20_a9828c8c9c006d36c28cb1064f7e74f1_cryptolocker
-
Size
390KB
-
MD5
a9828c8c9c006d36c28cb1064f7e74f1
-
SHA1
fdb0074b72787232ebfdbf6b6fee162cf7b0f544
-
SHA256
5212ccdb4edd60f89a42d58a8aaac4275fd11ea71d00c1ff3e62f12ca4f84298
-
SHA512
e87af18d88f1f780608438e2c77e84d4720e0db2551c9f3fabfebb032ffb656f7ed8c32adda34594561ce81eeb8e6e15f759d6662248bd28acebbc30881f9536
-
SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzX2:nnOflT/ZFIjBz3xjTxynGUOUhX2
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 2024-05-20_a9828c8c9c006d36c28cb1064f7e74f1_cryptolocker
Files
-
2024-05-20_a9828c8c9c006d36c28cb1064f7e74f1_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