Static task
static1
Behavioral task
behavioral1
Sample
2024-04-08_a7d41940228d919f38bea0d64f29d0d6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_a7d41940228d919f38bea0d64f29d0d6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_a7d41940228d919f38bea0d64f29d0d6_cryptolocker
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Size
49KB
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MD5
a7d41940228d919f38bea0d64f29d0d6
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SHA1
36ceaf84463679ab0ec27d6a6b1a10bfdcf0a290
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SHA256
3f10ab82d564a27065cc59fff774ac4aa62d66d2f6e08161ba87caf26352e5e0
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SHA512
8f2f4ba3ec6c0d07a2328ec06f245105fdf39ea9b3a2699d6da4e03c97902bed17e10c557e9baec536dbffc1eeae7db37a158427831a3a7abd257870dc07c073
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvvkD982:bgGYcA/53GAA6y37nby82
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 2024-04-08_a7d41940228d919f38bea0d64f29d0d6_cryptolocker
Files
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2024-04-08_a7d41940228d919f38bea0d64f29d0d6_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