Static task
static1
Behavioral task
behavioral1
Sample
2024-06-06_a8280eaa3c6356d709320cde16733d57_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-06_a8280eaa3c6356d709320cde16733d57_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-06_a8280eaa3c6356d709320cde16733d57_cryptolocker
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Size
75KB
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MD5
a8280eaa3c6356d709320cde16733d57
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SHA1
4acd3ff89c5596f24b8f8dc56f406f721119e3d0
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SHA256
ca8daadff94b4196e4a93a9b521d6eb806f41ede6e81f4355ecf81476c2c9a15
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SHA512
6a77778da6fca7b6118c878e87f2d4db02301ac2579009d74fbbbc3befbe30baaab8dc2f914cb979e096ce810a238c61c65ee6a1b1bd9706f79c33ea9c814b50
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SSDEEP
768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsN:u6QFElP6n+gWMOtEvwDpjJGYQbN
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-06_a8280eaa3c6356d709320cde16733d57_cryptolocker
Files
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2024-06-06_a8280eaa3c6356d709320cde16733d57_cryptolocker.exe windows:5 windows x86 arch:x86
a0c275da44db88d1f2fc3943daf6948b
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
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
Sections
.text Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
gu_idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
gu_rsrcs Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ