Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_8a5ca1f1ea6229115d0a471c96a80dc7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_8a5ca1f1ea6229115d0a471c96a80dc7_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-23_8a5ca1f1ea6229115d0a471c96a80dc7_cryptolocker
-
Size
34KB
-
MD5
8a5ca1f1ea6229115d0a471c96a80dc7
-
SHA1
9a5616d701c62211d8aec84af080eaba615a0913
-
SHA256
829baaf34b074e7efe50d68a19a022d3085e2c8b74bff6742785145dfd4b6c2c
-
SHA512
ef6a7b64be5a4b4e84f7d892474d236e6ea154177b6cb5f3cfd1750cffba52f346c58a1c647537620aae068088f946c25ea7a5d30fabca4383e1201c2e10f1d0
-
SSDEEP
384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIJ3M:b/yC4GyNM01GuQMNXw2PSjH+P1c
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 2024-02-23_8a5ca1f1ea6229115d0a471c96a80dc7_cryptolocker
Files
-
2024-02-23_8a5ca1f1ea6229115d0a471c96a80dc7_cryptolocker.exe windows:5 windows x86 arch:x86
ad86a1414a0514f4c041167365378f70
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
EndPaint
GetMessageA
DrawTextA
ShowWindow
UpdateWindow
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
PostQuitMessage
SetWindowPos
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ