Behavioral task
behavioral1
Sample
2024-08-21_1342a575fcaa616862abf62854750279_cryptolocker.exe
Resource
win7-20240704-en
General
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Target
2024-08-21_1342a575fcaa616862abf62854750279_cryptolocker
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Size
124KB
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MD5
1342a575fcaa616862abf62854750279
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SHA1
3451968f35540896d6d34f308fb5ef0147cb8d49
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SHA256
e8d0bd4cfc6268946d24e59c5ff1d1d16e5549e4adfce277d3b74e3c7d605338
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SHA512
d3dbe8465fa326465275550dd358783736669b633f19daab9c1898da0130aaafbc678b338805b398cf81705e292c5fe2115a174600f350c21b376094d9f02cd1
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SSDEEP
384:bF/FQrdSmuQ7Dl1ovmXAw9PMDREhi9OUSPlRxMc/cipv7Yfqxpj5cpyIuYxVe3FS:bF/m5zuuDOw9UiaiWUB2preAr+Ofjm2
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_1342a575fcaa616862abf62854750279_cryptolocker
Files
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2024-08-21_1342a575fcaa616862abf62854750279_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