Static task
static1
Behavioral task
behavioral1
Sample
2024-04-08_9fec7eba526e1e9708feb68d7e677043_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_9fec7eba526e1e9708feb68d7e677043_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_9fec7eba526e1e9708feb68d7e677043_cryptolocker
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Size
44KB
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MD5
9fec7eba526e1e9708feb68d7e677043
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SHA1
7a9b421822b654ac0149fe5a0bd98e403f21f966
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SHA256
1873fedec752430438205fb88c6981ff2e975bbcb2f75ad833364835f4f84efe
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SHA512
468d3160f3fb0b61c242ed81221330160639af78fe3087a88b3497a05a453c4a62ca7489e87a47f22f68e8a175f27c2852b44de049d20c7f8d2ac8ff170ba272
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+syQNA4:bgGYcA/53GADw8Cl/H4
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_9fec7eba526e1e9708feb68d7e677043_cryptolocker
Files
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2024-04-08_9fec7eba526e1e9708feb68d7e677043_cryptolocker.exe windows:5 windows x86 arch:x86
021d5e7849e90fdf4c65d3045c109483
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos
kernel32
GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
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: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.ropf Size: 512B - Virtual size: 101B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ