Behavioral task
behavioral1
Sample
2024-08-21_25a71d10901e91b0d5537ef1ea746578_cryptolocker.exe
Resource
win7-20240708-en
General
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Target
2024-08-21_25a71d10901e91b0d5537ef1ea746578_cryptolocker
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Size
124KB
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MD5
25a71d10901e91b0d5537ef1ea746578
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SHA1
a56b0fce12348e5039cb9ae2d8ecef845281ad5b
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SHA256
328faa44ae97acd8c1be40666b7b43c5f0b65a97a4302f35ae965763d610e8d9
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SHA512
cd951f883f977badeff06b9b71873fd9f7917481fae0cf7e23fdf7cf34faec533bef4e63536303edcbf6848acf462cc91da03d2f4e79ae0bae42d94957d7dfd1
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SSDEEP
384:bF/FQrdSmuQ7Dl1ovmXAw9PMDREhi9OUSPlRxMc/cipv7Yfqxpj5cpyIuYxVe3F7:bF/m5zuuDOw9UiaiWUB2preAr+OfjmX
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-21_25a71d10901e91b0d5537ef1ea746578_cryptolocker
Files
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2024-08-21_25a71d10901e91b0d5537ef1ea746578_cryptolocker.exe windows:5 windows x86 arch:x86
538a1c1a7578ec515117a8a6d17e3262
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
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA
gdi32
CreateFontIndirectA
user32
EndPaint
GetMessageA
DispatchMessageA
ShowWindow
UpdateWindow
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
PostQuitMessage
GetWindowRect
Sections
UPX0 Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 80KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE