Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_59ee6d1bb30c346be864e969ca2c8ef6_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-02-23_59ee6d1bb30c346be864e969ca2c8ef6_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_59ee6d1bb30c346be864e969ca2c8ef6_cryptolocker
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Size
386KB
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MD5
59ee6d1bb30c346be864e969ca2c8ef6
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SHA1
869894859fc9333ad61df3746a761d2fd6c1aefe
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SHA256
98afdd2f0d90f8cb999055741f6d0b98a53e1b0337f53b032229d26ebc651c16
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SHA512
a8ebb4705100b62c87f5ac2637aa1bc7e95816fbbf6c971ad1393bb78e17b62a0caed1ba4b7b4f16d37b24fe8b9b1a173347376dd722fbd25b6fa5f9b9e6cadb
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SSDEEP
6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXn:nnOflT/ZFIjBz3xjTxynGUOUhXn
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 2024-02-23_59ee6d1bb30c346be864e969ca2c8ef6_cryptolocker
Files
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2024-02-23_59ee6d1bb30c346be864e969ca2c8ef6_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
.ropf Size: 512B - Virtual size: 101B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ