Static task
static1
Behavioral task
behavioral1
Sample
2024-03-28_f5cdd2fe2a63959876d9d5b12d4923b0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-28_f5cdd2fe2a63959876d9d5b12d4923b0_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_f5cdd2fe2a63959876d9d5b12d4923b0_cryptolocker
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Size
43KB
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MD5
f5cdd2fe2a63959876d9d5b12d4923b0
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SHA1
8d4fdc0d079c1647d807d0fef3f12870113bff67
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SHA256
9a99d6cb81370e44d4c735516b070ea7c6afeeadcc97087d81b7798d41778ea6
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SHA512
cf76108f1cf1e8db2a76aaf5f4fe0cbf05a17dd62e88611797def7cb44f1dcab368871707b4ca0594c5968f942ee8449589d171b7c75a1d26cba5954914ae46a
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SSDEEP
768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+syQNa:bgGYcA/53GADw8Cl/D
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 2024-03-28_f5cdd2fe2a63959876d9d5b12d4923b0_cryptolocker
Files
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2024-03-28_f5cdd2fe2a63959876d9d5b12d4923b0_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