Static task
static1
Behavioral task
behavioral1
Sample
831f299858d4178e91f50403a83ab6a8_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
831f299858d4178e91f50403a83ab6a8_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
831f299858d4178e91f50403a83ab6a8_cryptolocker_JC.exe
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Size
28KB
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MD5
831f299858d4178e91f50403a83ab6a8
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SHA1
2efbaac415b4af5e1f5e83d7df74277314026571
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SHA256
39337eb3075528506a2ce55f394a30f7bedfc6f91c94672f602ca720f869b67f
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SHA512
f257c02f1839e4b7ae51893a78306e66eabf54ad81e23f7cfb9bad07d29269cbc439475202f394318ec1a58823e0c857ebe3e3b6d3f2e9baf23d7320b323d450
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SSDEEP
384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoVrlFYV:bAvJCYOOvbRPDEgXynYV
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 831f299858d4178e91f50403a83ab6a8_cryptolocker_JC.exe
Files
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831f299858d4178e91f50403a83ab6a8_cryptolocker_JC.exe.exe windows x86
5a4767bc6f06914cff6e249c178e3b95
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
DispatchMessageA
DrawTextA
EndPaint
BeginPaint
PostQuitMessage
ShowWindow
UpdateWindow
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
LoadCursorA
SetWindowPos
GetWindowRect
GetMessageA
DialogBoxParamA
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
GetCurrentDirectoryA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
GetCurrentThreadId
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ