Static task
static1
Behavioral task
behavioral1
Sample
2024-04-19_74c53ddee11bd031c1c60042c1f2f5a6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-19_74c53ddee11bd031c1c60042c1f2f5a6_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-19_74c53ddee11bd031c1c60042c1f2f5a6_cryptolocker
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Size
389KB
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MD5
74c53ddee11bd031c1c60042c1f2f5a6
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SHA1
f2b0ce68f68b112c3f2d061e5ec24d33035f8b34
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SHA256
abe81d40772206ce82c758730dd7af0745b52a003f35bfc6bbcf78dc8c048d7e
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SHA512
804ad074cdec2137e096583007090756b0f8eb1a2cbef242ca0182ee07fdb6218659d6089da0af1a5be4ff3892a04dbf492a99975e17df28f25558ec55dc8f72
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXq:nnOflT/ZFIjBz3xjTxynGUOUhXq
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 2024-04-19_74c53ddee11bd031c1c60042c1f2f5a6_cryptolocker
Files
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2024-04-19_74c53ddee11bd031c1c60042c1f2f5a6_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