Static task
static1
Behavioral task
behavioral1
Sample
2024-02-12_a53b927f67dae8d9e97ec59b33db25c4_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-12_a53b927f67dae8d9e97ec59b33db25c4_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_a53b927f67dae8d9e97ec59b33db25c4_cryptolocker
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Size
33KB
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MD5
a53b927f67dae8d9e97ec59b33db25c4
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SHA1
71b49e56d07f55e3ac9a6b206d6f6cb8bc464d8d
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SHA256
19bf8acfe05dc9d350f05f73af52bd30e4c4a3d6363982950439cb69f46baafe
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SHA512
b45527aed71b4af5b685780b442d42b5b8093fed346acfde2966c6b3726ba97fd7a3fa5240047cb6295769014eb6917648adc8fde06514ecf5e1f341659c1fd3
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SSDEEP
384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUqMV6U8zKvGaLd:bA74zYcgT/Ekd0ryfj86U8zbg
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 2024-02-12_a53b927f67dae8d9e97ec59b33db25c4_cryptolocker
Files
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2024-02-12_a53b927f67dae8d9e97ec59b33db25c4_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