Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_4b6f47fcadc3fe6226fb6a1c17c97ce8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_4b6f47fcadc3fe6226fb6a1c17c97ce8_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_4b6f47fcadc3fe6226fb6a1c17c97ce8_cryptolocker
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Size
41KB
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MD5
4b6f47fcadc3fe6226fb6a1c17c97ce8
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SHA1
0c0fd786f4692ad7d924718eb43a1cd2f8e9b3f5
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SHA256
99b319a5e8e266a85c2489bff9c787fe7f7d0b1132be8751ee2f6d216b3c796d
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SHA512
a41eaa7815f1af1a8654407675e3e9ce3744687fe6d4a7bcaa721c35b1f9eed840a8691403c803244a37d5780e18903e6352ede2b53c4390fc15257e6238065b
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vVcF8:bgGYcA/53GADw8ClrcTcF8
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 2024-02-28_4b6f47fcadc3fe6226fb6a1c17c97ce8_cryptolocker
Files
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2024-02-28_4b6f47fcadc3fe6226fb6a1c17c97ce8_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