2024-04-29_1aaf98759405d7d100f920c5a226d687_cryptolocker | Triage

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General

Target

2024-04-29_1aaf98759405d7d100f920c5a226d687_cryptolocker
Size

39KB
MD5

1aaf98759405d7d100f920c5a226d687
SHA1

6cba25ad61cab8211c7e6643d58e818e6ae3e18f
SHA256

781ca72d2e00a19237cf19b795f8fa6eb560d36206cf19ef064f8e7a6bbe60fa
SHA512

c039477a56de9fa6db205f36208c709510990d05187dbd7565dadd04041ad348096bd5a636f0ec379c6cf6e1be4d6a066e247cdc0b2fb4ffd6d51a2078b8bfda
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmxT4Hmt:bA6YcA/X6G0W1BGt

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
2024-04-29_1aaf98759405d7d100f920c5a226d687_cryptolocker

Files

2024-04-29_1aaf98759405d7d100f920c5a226d687_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