2024-04-28_3b548a4e43efbfc8f17062a65f7b4db4_cryptolocker | Triage

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General

Target

2024-04-28_3b548a4e43efbfc8f17062a65f7b4db4_cryptolocker
Size

34KB
MD5

3b548a4e43efbfc8f17062a65f7b4db4
SHA1

e4bb6d01b5ca78fbfcc96b78dbfbadeccd30f198
SHA256

ee71ebdf6b84c16106b66da29114913edcd12b52c0fae135ee91fe918a4519fb
SHA512

5550b5f01afaa03680b9567d87b60e1372bd5335804724d1e7f15f7439c3a436b93a55c4af8cf8dc8a4d652f913564af9f0a48158d4c4b2a71fa673c9d60d816
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn1KkZo:b/yC4GyNM01GuQMNXw2PSj1PS

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-28_3b548a4e43efbfc8f17062a65f7b4db4_cryptolocker

Files

2024-04-28_3b548a4e43efbfc8f17062a65f7b4db4_cryptolocker
.exe windows:5 windows x86 arch:x86

ad86a1414a0514f4c041167365378f70

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

EndPaint
GetMessageA
DrawTextA
ShowWindow
UpdateWindow
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
PostQuitMessage
SetWindowPos

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

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: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ