2024-05-10_b7afddcc547c82493a88bf6fd1a960c2_cryptolocker | Triage

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General

Target

2024-05-10_b7afddcc547c82493a88bf6fd1a960c2_cryptolocker
Size

40KB
MD5

b7afddcc547c82493a88bf6fd1a960c2
SHA1

5054766f9fe6a20373f482378a58255935267aba
SHA256

f53a2fb83ad6bd540fb9c67aa71de6951cf8c7791091bd6b48e6df3c5a90a5a1
SHA512

7b252e8ef36dc1c31a8c10be4d00bdb2abc5aace026bcab7ca259eef89593569e98e33210a2ba24021e39ebbd0712f37c201cc0c596ce5fbe1b2d6b557c0b062
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3Hw2A4362+:bA6YcA/X6G0W143QlA+

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
2024-05-10_b7afddcc547c82493a88bf6fd1a960c2_cryptolocker

Files

2024-05-10_b7afddcc547c82493a88bf6fd1a960c2_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