Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_726845d4e9a150f042878f6efba81705_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-28_726845d4e9a150f042878f6efba81705_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_726845d4e9a150f042878f6efba81705_cryptolocker
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Size
386KB
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MD5
726845d4e9a150f042878f6efba81705
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SHA1
677661371e73659b046cc95eefaa1564b6364eb4
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SHA256
bb2d5c123e6f3033b74633aa84366c21785b6c08e48813081c141e44ce8169ab
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SHA512
e87b44c8c1dab7e627ba754a3d64a75d361fab53412156b980db45065674dcbd1822103c7d6944b3d49bfd49630861032421d598416b80053400119c082a271f
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXY:nnOflT/ZFIjBz3xjTxynGUOUhXY
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_726845d4e9a150f042878f6efba81705_cryptolocker
Files
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2024-02-28_726845d4e9a150f042878f6efba81705_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