Static task
static1
Behavioral task
behavioral1
Sample
2024-05-22_7e4b3258d97c429d7d5abc580e1458cb_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-22_7e4b3258d97c429d7d5abc580e1458cb_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-22_7e4b3258d97c429d7d5abc580e1458cb_cryptolocker
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Size
77KB
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MD5
7e4b3258d97c429d7d5abc580e1458cb
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SHA1
bdf03f99f69c69151552b6717789d97e2762f1bb
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SHA256
77c838eb75f18fc94df0a28313111855527590dcbae043a7db8e12cbc77eb845
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SHA512
3a31b7af2fd7be6477c53d50e2653fec0b8d2ecc38603aee594da558478e918c177e6f5a14195912b8811931685ff512290cfb828c5132060a63b6aa1f2efcaa
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufZ:vCjsIOtEvwDpj5H9YvQd2N
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 2024-05-22_7e4b3258d97c429d7d5abc580e1458cb_cryptolocker
Files
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2024-05-22_7e4b3258d97c429d7d5abc580e1458cb_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