Static task
static1
Behavioral task
behavioral1
Sample
2024-05-22_fbf553cdb875f52b97a7fd46214e62ea_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-22_fbf553cdb875f52b97a7fd46214e62ea_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-22_fbf553cdb875f52b97a7fd46214e62ea_cryptolocker
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Size
4.5MB
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MD5
fbf553cdb875f52b97a7fd46214e62ea
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SHA1
16a29e4531824db4bd15a3b1377a6c46ce9f5d15
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SHA256
05566346a9e66e8d4b072101a1835e4a2c7275a2d27627736f7281f29677db3d
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SHA512
a9c91a5499e7dc5f02f423749fed82aab210596adc6c94268d5ed203cf6f198866b8c8f6f8c975370ee75503aa78cdf87c1185ac9b4d39f544a96753c8efa486
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SSDEEP
98304:g/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTg:g/ZFIjBzF/ZFIjBzPEUusg
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-22_fbf553cdb875f52b97a7fd46214e62ea_cryptolocker
Files
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2024-05-22_fbf553cdb875f52b97a7fd46214e62ea_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