Static task
static1
Behavioral task
behavioral1
Sample
2024-05-31_a5309804ea9046a884103260458b8f52_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-31_a5309804ea9046a884103260458b8f52_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_a5309804ea9046a884103260458b8f52_cryptolocker
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Size
44KB
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MD5
a5309804ea9046a884103260458b8f52
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SHA1
b271fa4efcf6855cf5bae175b9c0a35d9c191334
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SHA256
7ba5b31c6ec6e6a6865666f6f8959c8b8a3d9ca4039b24ad979e48f3e94c2e36
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SHA512
f3f51d0e6a067cdae3a9a658efcee685d85c2ce1a62e5c3ddefca2a675c0480cf630d36125227999c050565c695e3c0be7dd0f8b70c122af2c3b1a7efd7a8352
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAIie0LHZ:bCDOw9aMDooc+vAlXZ
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 2024-05-31_a5309804ea9046a884103260458b8f52_cryptolocker
Files
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2024-05-31_a5309804ea9046a884103260458b8f52_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