2024-02-12_f37cc0dcc03ab252d73f8dc2b9eb9d87_cryptolocker | Triage

Sharing

General

Target

2024-02-12_f37cc0dcc03ab252d73f8dc2b9eb9d87_cryptolocker
Size

35KB
MD5

f37cc0dcc03ab252d73f8dc2b9eb9d87
SHA1

38039a15fcb4cc7533729833de3c71005bc3efd4
SHA256

7a27384e69b6cea449e34bbb1bb38e5f04c6fccf80e95814e7d6837386577103
SHA512

a33f97f6375b8c12adc74745a33d82d1ae99969c0452371f3c14e60db6a578ed2f631786d55807dfa1f996cebf8c3b3feda32c03d2b13a4afeae8eefb506d703
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUqMV6U8zKvGaLLAyw8:bA74zYcgT/Ekd0ryfj86U8zbCA18

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
2024-02-12_f37cc0dcc03ab252d73f8dc2b9eb9d87_cryptolocker

Files

2024-02-12_f37cc0dcc03ab252d73f8dc2b9eb9d87_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