2024-04-20_28f5b718f507b9fc7fc501e9580e4874_cryptolocker | Triage

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General

Target

2024-04-20_28f5b718f507b9fc7fc501e9580e4874_cryptolocker
Size

36KB
MD5

28f5b718f507b9fc7fc501e9580e4874
SHA1

26b7669a8394e5304be0b4e2450ce4a222378638
SHA256

c56bc1f3f3f5767ad40abfda2f1de4e42b1841941adcd09f64b592554fdfd079
SHA512

e6caf0add59f8fa13594d6a19bcb0996b26dcd6270dd696e68df75c8cfe0ac3e3faffb33d204d02c7fe7367e628e5e7d813fb9f107578fc66cc69d8534a7d16b
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHC02ltAUACDFs:b/pYayGig5HC02gbCDFs

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
2024-04-20_28f5b718f507b9fc7fc501e9580e4874_cryptolocker

Files

2024-04-20_28f5b718f507b9fc7fc501e9580e4874_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