Static task
static1
Behavioral task
behavioral1
Sample
2024-04-23_8be8e873910b1c0a9dac6f267fcbc057_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-23_8be8e873910b1c0a9dac6f267fcbc057_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_8be8e873910b1c0a9dac6f267fcbc057_cryptolocker
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Size
44KB
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MD5
8be8e873910b1c0a9dac6f267fcbc057
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SHA1
99ef8b4a025439a9864c3ff52a5546f9e26ff80e
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SHA256
f2b24d2dbf28e2773ec8f85c20db3af9acab854bb78fc61461ad5e7164fae005
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SHA512
dfdea49d20ec348a4e2b36a3ecac31db71f9a484549db732e71435ac00c5bb66a4ff9878499ab5501ffe46ce3af85973935a50f60b99b4c30850bb99bc0a305e
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+syQNN:bgGYcA/53GADw8Cl/w
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 2024-04-23_8be8e873910b1c0a9dac6f267fcbc057_cryptolocker
Files
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2024-04-23_8be8e873910b1c0a9dac6f267fcbc057_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