Static task
static1
Behavioral task
behavioral1
Sample
2024-06-30_8b771d33b03d90797e91a3ad7b3e359d_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-30_8b771d33b03d90797e91a3ad7b3e359d_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-30_8b771d33b03d90797e91a3ad7b3e359d_cryptolocker
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Size
391KB
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MD5
8b771d33b03d90797e91a3ad7b3e359d
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SHA1
b88833aff965bcf4c29150c860381a1e8583c5a6
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SHA256
3309823a4c6866a861eca5ade6128c1177544277179144a417a2ef5db61ece74
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SHA512
1690f6cde8c21a4236171a22f74ee4dc6f3d86a079032bec430045ae97b7deee1e6e10bb6e9e1a3519d6fdefa4500d0d6fd186d0dd4fbbc7d742c9d3640a775a
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXRM:nnOflT/ZFIjBz3xjTxynGUOUhXRM
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-30_8b771d33b03d90797e91a3ad7b3e359d_cryptolocker
Files
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2024-06-30_8b771d33b03d90797e91a3ad7b3e359d_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