Static task
static1
Behavioral task
behavioral1
Sample
2024-03-27_b58c561ab1837ef70f195d318ca94bf7_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-27_b58c561ab1837ef70f195d318ca94bf7_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-27_b58c561ab1837ef70f195d318ca94bf7_cryptolocker
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Size
40KB
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MD5
b58c561ab1837ef70f195d318ca94bf7
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SHA1
0df26cc8e349446dd4798aaeaf8d6821ecc72b4b
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SHA256
30d8f4383b8f8e4ebd9569e406a5b0a713496c38e55d6942e40b2f09bf0123ca
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SHA512
1257e150d4126dd10d36900d44cb9d11dcf9cccd9af0ab1141b09b00c308c7a1aea72a999925f433ac17db3f7bc4dee72a9bc842674d2a8be7a81b8630cec789
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SSDEEP
768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAnZ:bCDOw9aMDooc+vAZ
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 2024-03-27_b58c561ab1837ef70f195d318ca94bf7_cryptolocker
Files
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2024-03-27_b58c561ab1837ef70f195d318ca94bf7_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