2024-03-15_f3c447a0aa2ff1009e4c8a0e4a3db7ad_cryptolocker | Triage

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General

Target

2024-03-15_f3c447a0aa2ff1009e4c8a0e4a3db7ad_cryptolocker
Size

29KB
MD5

f3c447a0aa2ff1009e4c8a0e4a3db7ad
SHA1

18713e73ee48420572b41b9ff258d8cb3e3fcf10
SHA256

09824c28a88cb36de5b6143366449529b394af92a2eb4e9d4fe71a5f539a219a
SHA512

3529163c2b2129abb3eaa4ca67eba3826aa49fc53a73232366a35a6c4d2fa54616e36e4fbef33413a89bf4961f3f66346dfdba1a5940738fb5065529644f4a1b
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznum+U2:b/yC4GyNM01GuQMNXum+z

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
2024-03-15_f3c447a0aa2ff1009e4c8a0e4a3db7ad_cryptolocker

Files

2024-03-15_f3c447a0aa2ff1009e4c8a0e4a3db7ad_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