Static task
static1
Behavioral task
behavioral1
Sample
2024-04-27_fa0ca3c549c8c52723ac452cab7cda12_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-27_fa0ca3c549c8c52723ac452cab7cda12_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-27_fa0ca3c549c8c52723ac452cab7cda12_cryptolocker
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Size
41KB
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MD5
fa0ca3c549c8c52723ac452cab7cda12
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SHA1
9a367f4264849ac783e7543c01c83c2d54874b4d
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SHA256
6b2638c612ffa64a863fbf95b1ffc7c42051122b665a98ff5bb1918a80c7d250
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SHA512
695be156804c72cb7638375baceb0bfa9b0a42fbade9c91f36d6599a64355d60c1a6a2b54c9b684d053517ff718e54fdc95176746330a7c0173d55417fb87c5d
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAv/:bCDOw9aMDooc+vAv/
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 2024-04-27_fa0ca3c549c8c52723ac452cab7cda12_cryptolocker
Files
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2024-04-27_fa0ca3c549c8c52723ac452cab7cda12_cryptolocker.exe windows:5 windows x86 arch:x86
0bcae7989ef60f5550a7f5735f53a2aa
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
EndPaint
GetMessageA
DispatchMessageA
ShowWindow
UpdateWindow
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
PostQuitMessage
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA
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: 512B - Virtual size: 506B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE