2024-04-05_7cfc79e91d7ecb2948edc3a6e2b4d60e_cryptolocker | Triage

Sharing

General

Target

2024-04-05_7cfc79e91d7ecb2948edc3a6e2b4d60e_cryptolocker
Size

31KB
MD5

7cfc79e91d7ecb2948edc3a6e2b4d60e
SHA1

4bc6b25fb245b8e0a0561d193285d44ba7326536
SHA256

36990e5c3ade0ee958fd52bba07df41e9c4799e51c6734eefbd884d880cc721e
SHA512

ff091762d215cdf1d30513205dddb951e013cd41b95bf7a438105dfb9cb64d17d10451325d3bb21c305c293c2505ee8f3fc16094aa156e1918a01668ad5e572f
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJ5STV9Zoi:bA74zYcgT/Ekd0ryfjQRSnWV9ii

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
2024-04-05_7cfc79e91d7ecb2948edc3a6e2b4d60e_cryptolocker

Files

2024-04-05_7cfc79e91d7ecb2948edc3a6e2b4d60e_cryptolocker
.exe windows:5 windows x86 arch:x86

021d5e7849e90fdf4c65d3045c109483

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess

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: 1024B - Virtual size: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ