Static task
static1
Behavioral task
behavioral1
Sample
2024-03-05_d79e5c09e7b0cfa4dab5059ca82193a0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-05_d79e5c09e7b0cfa4dab5059ca82193a0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-05_d79e5c09e7b0cfa4dab5059ca82193a0_cryptolocker
-
Size
386KB
-
MD5
d79e5c09e7b0cfa4dab5059ca82193a0
-
SHA1
6540e23c065368fd4e5c395043ac869a7f6c1e5a
-
SHA256
b6d8c4255b610390bed4dc2c2637607e098c3d60c9c641482fb41dfefc506461
-
SHA512
a3b692e87d5b8a7a0933c789411e08c9d81722137673cd7c23b1507f44db2d48178bbd4c16ea9d799301307fa5855264b8d4f790f7032b084a9e45cee2f881ce
-
SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXU:nnOflT/ZFIjBz3xjTxynGUOUhXU
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 2024-03-05_d79e5c09e7b0cfa4dab5059ca82193a0_cryptolocker
Files
-
2024-03-05_d79e5c09e7b0cfa4dab5059ca82193a0_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