Static task
static1
Behavioral task
behavioral1
Sample
2024-04-08_a5f9718baff1bcbaff5405c28ac8d686_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_a5f9718baff1bcbaff5405c28ac8d686_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-08_a5f9718baff1bcbaff5405c28ac8d686_cryptolocker
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Size
49KB
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MD5
a5f9718baff1bcbaff5405c28ac8d686
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SHA1
4d4a7867fc2eab44c99b987902716b9a0db7b34d
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SHA256
19e48c26d9243f90ec6b72462211509a5cf94bd32d7d6e0ea528a1b154fb1724
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SHA512
bcdc2eb00fb31e969924ea51e0928de6eb90111a9189205682ca90b9bdfd6faafa8317f85835897febaca7fd926e6953db4bbc97e25b9e49d2f728252bf1fc8d
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvvkD98i:bgGYcA/53GAA6y37nby8i
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-08_a5f9718baff1bcbaff5405c28ac8d686_cryptolocker
Files
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2024-04-08_a5f9718baff1bcbaff5405c28ac8d686_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