Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_a781b5431cbba6700d708d823e00206e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_a781b5431cbba6700d708d823e00206e_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_a781b5431cbba6700d708d823e00206e_cryptolocker
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Size
40KB
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MD5
a781b5431cbba6700d708d823e00206e
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SHA1
53cebf64c3a34c5a74ff3d27d1a4de97bcafe754
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SHA256
45ce8fb9d026b1a8d0470e0016a90fed4209048b62216a46f3203a1a3627e67b
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SHA512
0cd073fae935b0cb6982064d3808e20f91aa705ad87162c794127590125adaba180d79b04c528f76d8541cb9b49f40247168c592f7edf85a4843550c5b64f954
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SSDEEP
768:b7o/2n1TCraU6GD1a4X0WcO+wMVm+slAMRzz:bc/y2lkF0+Byz
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 2024-02-28_a781b5431cbba6700d708d823e00206e_cryptolocker
Files
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2024-02-28_a781b5431cbba6700d708d823e00206e_cryptolocker.exe windows:5 windows x86 arch:x86
78f4abb8610ca1c22ad9f81ecfabcc3c
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
user32
TranslateMessage
BeginPaint
DispatchMessageA
DrawTextA
CreateWindowExA
GetMessageA
PostQuitMessage
ShowWindow
UpdateWindow
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
LoadCursorA
SetWindowPos
GetWindowRect
EndPaint
DialogBoxParamA
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
GetCurrentDirectoryA
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: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ