Static task
static1
Behavioral task
behavioral1
Sample
2024-04-17_b31fb974970879f7c66c6ead9763f591_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_b31fb974970879f7c66c6ead9763f591_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_b31fb974970879f7c66c6ead9763f591_cryptolocker
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Size
84KB
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MD5
b31fb974970879f7c66c6ead9763f591
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SHA1
a994fa407dc4f9d3fd1540a80175be43831d9084
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SHA256
66a2a04dd1db6b28ab9e3edf38596f6c130f40af87e132155f596fb8eb2f09f3
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SHA512
e73c28418a05b1a62d8b7b3b1563dda9bc8628115c26816cc9da9bffd224c01ff6719131a4b6ee13657a4d44133e56bab2be0801dd2e4835199bbea8702847d7
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBr:vCjsIOtEvwDpj5H9YvQd2j
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 2024-04-17_b31fb974970879f7c66c6ead9763f591_cryptolocker
Files
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2024-04-17_b31fb974970879f7c66c6ead9763f591_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