Static task
static1
Behavioral task
behavioral1
Sample
2024-03-19_3c96a1e5af965e7f7b45be4318cd893c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_3c96a1e5af965e7f7b45be4318cd893c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_3c96a1e5af965e7f7b45be4318cd893c_cryptolocker
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Size
387KB
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MD5
3c96a1e5af965e7f7b45be4318cd893c
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SHA1
da15fa1245f12a55b96ce3665ac16c0eb1009048
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SHA256
dc7bb9e8abe8b9f8a697f79ce1b6461cbbc81c29f7c680c345b1e89bfd62c03b
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SHA512
a2a1c63a2c26b2689e64ec87a2f5f1c5991fb6da699a7860a3d7ab527196075d29f9b88f57a88cccc4759ff63adbc15e29d682a4127e3b9d54ec6cd31ce1c239
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXc:nnOflT/ZFIjBz3xjTxynGUOUhXc
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 2024-03-19_3c96a1e5af965e7f7b45be4318cd893c_cryptolocker
Files
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2024-03-19_3c96a1e5af965e7f7b45be4318cd893c_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