Static task
static1
Behavioral task
behavioral1
Sample
2024-04-08_3a5cbb935829b6ba5fadb20c00a5d17c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_3a5cbb935829b6ba5fadb20c00a5d17c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_3a5cbb935829b6ba5fadb20c00a5d17c_cryptolocker
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Size
40KB
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MD5
3a5cbb935829b6ba5fadb20c00a5d17c
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SHA1
b83b59492e6f52bdacddd3eafc9242449eecfc86
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SHA256
4e5e056bba19040bcd5c3306e18f0159c1b6de54db093d67bfad2736e1433e52
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SHA512
5ae63a216f36098f5ec4192a8fef51a55e7ada97a9d84b7d9ba8f1c6172f7a87ce5a82a3d052afc59f895879cf6fae61cb9044264e8ec36995312618e4bfd351
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAnT:bCDOw9aMDooc+vAT
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 2024-04-08_3a5cbb935829b6ba5fadb20c00a5d17c_cryptolocker
Files
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2024-04-08_3a5cbb935829b6ba5fadb20c00a5d17c_cryptolocker.exe windows:5 windows x86 arch:x86
0bcae7989ef60f5550a7f5735f53a2aa
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
EndPaint
GetMessageA
DispatchMessageA
ShowWindow
UpdateWindow
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
PostQuitMessage
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA
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: 512B - Virtual size: 506B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE