Static task
static1
Behavioral task
behavioral1
Sample
2024-01-27_a2d34eef8f45e7dca83c6719b11c1cf8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_a2d34eef8f45e7dca83c6719b11c1cf8_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-27_a2d34eef8f45e7dca83c6719b11c1cf8_cryptolocker
-
Size
36KB
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MD5
a2d34eef8f45e7dca83c6719b11c1cf8
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SHA1
eae7bde1acc00c413b67d077272f071bbb97ce82
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SHA256
39899b67bb39f64295e6a5f419fc96f437aa01a90eb69487926df300e0b8134a
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SHA512
fac95745423a2b8e4d930d4d0942f039f40654ffeaa251792a932e156378bf5fbff6ec4720472259c561469eab4e7b063f44da93ef62c4ac37fb4ed97e580be9
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SSDEEP
768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3g:bxNrC7kYo1Fxf3s06gS
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 2024-01-27_a2d34eef8f45e7dca83c6719b11c1cf8_cryptolocker
Files
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2024-01-27_a2d34eef8f45e7dca83c6719b11c1cf8_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