Static task
static1
Behavioral task
behavioral1
Sample
2024-05-21_86f1c97c7d5e644f00d783269d3f6567_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-21_86f1c97c7d5e644f00d783269d3f6567_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-21_86f1c97c7d5e644f00d783269d3f6567_cryptolocker
-
Size
4.5MB
-
MD5
86f1c97c7d5e644f00d783269d3f6567
-
SHA1
a1c75a07a5ab5d2663c72d9f6479e01bd6198a90
-
SHA256
315a5f11a6cb094e36d535ef9b719d84ab9890e4dbec980504a0dfa8157a28b5
-
SHA512
a4c345d13ad2b91c52d3a7ce68c39dc87e28118bf86e87876c1641c62e80942bd7ac2fc094b1dd95d4fde1ea9e9b97a5954f6b10ce22a647e5043a50b3cc3beb
-
SSDEEP
98304:g/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTZ:g/ZFIjBzF/ZFIjBzPEUusZ
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-21_86f1c97c7d5e644f00d783269d3f6567_cryptolocker
Files
-
2024-05-21_86f1c97c7d5e644f00d783269d3f6567_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