Static task
static1
Behavioral task
behavioral1
Sample
2024-03-07_b5ac90d675555e9298fe451d411b9f5a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_b5ac90d675555e9298fe451d411b9f5a_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-07_b5ac90d675555e9298fe451d411b9f5a_cryptolocker
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Size
40KB
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MD5
b5ac90d675555e9298fe451d411b9f5a
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SHA1
a32e5b15a80eb24d8e6f3477d1d3b17b39ba6532
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SHA256
4059e1084b7e064ba456a1d6220d690b58ed709ce26dbda959a8f2124459e089
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SHA512
cd16a202148331d0e5d2fe1a14a2b971a6b4ddf199800d32e2bdd800919acc7b45ce9b4991df25ea32f156a092961785c0ebfc530e9b94755e7462e8c86b932a
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc660SV:vj+jsMQMOtEvwDpj5HW5E
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 2024-03-07_b5ac90d675555e9298fe451d411b9f5a_cryptolocker
Files
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2024-03-07_b5ac90d675555e9298fe451d411b9f5a_cryptolocker.exe windows:5 windows x86 arch:x86
5c55d83b58dbc1f7154223c32a893074
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
UpdateWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCPInfo
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ