Static task
static1
Behavioral task
behavioral1
Sample
2024-03-19_fef594954ce44351fe724bd6c7561b76_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_fef594954ce44351fe724bd6c7561b76_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-19_fef594954ce44351fe724bd6c7561b76_cryptolocker
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Size
122KB
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MD5
fef594954ce44351fe724bd6c7561b76
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SHA1
1accf29119c3c869000b9cb925c08f4ce3af1420
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SHA256
38f8b41d1466034e99ce05c730f193e01cc70ad77cf32d60f7a8cb4a59c6cd1f
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SHA512
b9d120076d0e41566a5ed002179c3eb0d46544879fe5bbe998c76f6759ffed547669d8d20bb66c5d205e92f40b90cfe1a9ae1089222eb4a75c2dfe307d172925
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SSDEEP
1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMg2:u6a++OtEvwDpj6za
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-19_fef594954ce44351fe724bd6c7561b76_cryptolocker
Files
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2024-03-19_fef594954ce44351fe724bd6c7561b76_cryptolocker.exe windows:5 windows x86 arch:x86
a0c275da44db88d1f2fc3943daf6948b
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
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
Sections
.text Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
gu_idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
gu_rsrcs Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ