Static task
static1
Behavioral task
behavioral1
Sample
2024-04-27_a13d52b69fa661c0cfa93f268b710d11_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_a13d52b69fa661c0cfa93f268b710d11_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_a13d52b69fa661c0cfa93f268b710d11_cryptolocker
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Size
42KB
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MD5
a13d52b69fa661c0cfa93f268b710d11
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SHA1
b94d9d8c702a355e6ceddec50cb5e1dd1d4ca68c
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SHA256
50b04a8c65f88bcbe61e1cd3f19235ba6b46d11944d0c5acacb6df7d045ca309
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SHA512
d27a711a560442663d13e0a9b18e5c46cab2a2d871c1c613d125e001c2628ea74c3433c2a185130c821ecc6bb032d72af9c363fd238e285bb2176d7e08e29f4b
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SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8uYo0nrlwfjDU2:bm74zYcgT/Ek70ryfjv
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 2024-04-27_a13d52b69fa661c0cfa93f268b710d11_cryptolocker
Files
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2024-04-27_a13d52b69fa661c0cfa93f268b710d11_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
.htext Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE