Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_f7f439e393d317ca1a2a9b1780f9e373_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_f7f439e393d317ca1a2a9b1780f9e373_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_f7f439e393d317ca1a2a9b1780f9e373_cryptolocker
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Size
41KB
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MD5
f7f439e393d317ca1a2a9b1780f9e373
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SHA1
b4d8e6e71ae4f511c32218390653c07295f802ec
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SHA256
ab7a305b05220ad99c5e352ceab9b99bdc462a563ac8b9c33aa51aeae527ac68
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SHA512
6b88e6662ed4107ac859aee83195624e29491dbc62e3a4c2c956237f064b822f91abecb9f4ba85a14f4a5d0b2036e8b2628177e5993ee69bc8b64b4211fcbada
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5vVcFJ8V:bgGYcA/53GADw8ClrcTcFJ8V
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_f7f439e393d317ca1a2a9b1780f9e373_cryptolocker
Files
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2024-02-28_f7f439e393d317ca1a2a9b1780f9e373_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