2024-04-27_4b99c814d28227824368cc3fb9a427a3_cryptolocker | Triage

Sharing

General

Target

2024-04-27_4b99c814d28227824368cc3fb9a427a3_cryptolocker
Size

31KB
MD5

4b99c814d28227824368cc3fb9a427a3
SHA1

49860acd0db1d52abc7ddd70bf89656e9b66b41f
SHA256

3321714d8b508dee89f16efbc2b046805dae9933ee5ac5665f9cff86d72ecbac
SHA512

108cb5d804cf0af291e98bf5d24bbe382cdb2155d93a4535c069dfd0ccb1ec9794783fe920f2ad06bb64fd260da201e14471ef97d60ab9dc9bd1128bf95ff744
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznum+U/hi6:b/yC4GyNM01GuQMNXum+n6

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
2024-04-27_4b99c814d28227824368cc3fb9a427a3_cryptolocker

Files

2024-04-27_4b99c814d28227824368cc3fb9a427a3_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