Static task
static1
Behavioral task
behavioral1
Sample
NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
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Size
40KB
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MD5
68081183dea2f65059caa2923f0b37e5
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SHA1
58be0ae4f8cc54ce52050d7e87e132d7c9e778e1
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SHA256
5a8070f6df31ce40b7e73c3d4ce7f58b753cec82eff32db8e89151dd59c541d3
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SHA512
b87af260b62db9c106769979f908e522749176d38472ecb3fd8b9cfc2b8130263cb731aaca46561e4e4e7d62e18f17bbd2d242b41c9ffd53e7982e421b47ea1e
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YR8C:bgGYcA/53GAA6y37UH
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe
Files
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NEAS.2023-09-05_68081183dea2f65059caa2923f0b37e5_cryptolocker_JC.exe.exe windows:5 windows 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