Static task
static1
Behavioral task
behavioral1
Sample
2024-03-15_b12cfa309d447853449663087a88d44f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_b12cfa309d447853449663087a88d44f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-15_b12cfa309d447853449663087a88d44f_cryptolocker
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Size
39KB
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MD5
b12cfa309d447853449663087a88d44f
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SHA1
219d7c0be52bd667582f7c0c087df9b5092c9b58
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SHA256
c020594789573fec846b746f331f071c22d0fbf804ff2d00b50d6bab8bd35fdd
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SHA512
21fc90d2e9782596aecf2e886a96ed247df6c8e9fccce95cc1599bf0d643b4b4bef9abc1b401ec6951b9191b87724b202b228ec3a9a48abdc2ce8f3feb61842a
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SSDEEP
768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3OYr9T:bxNrC7kYo1Fxf3s06gY89T
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 2024-03-15_b12cfa309d447853449663087a88d44f_cryptolocker
Files
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2024-03-15_b12cfa309d447853449663087a88d44f_cryptolocker.exe windows:5 windows x86 arch:x86
3c4da9ed0ba02990af7795e358bfd650
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
ShowWindow
SetWindowPos
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
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: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 518B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ