2024-03-13_40f41b3ed4bb182ca4aadb21a37b3307_cryptolocker | Triage

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General

Target

2024-03-13_40f41b3ed4bb182ca4aadb21a37b3307_cryptolocker
Size

35KB
MD5

40f41b3ed4bb182ca4aadb21a37b3307
SHA1

9e1eef1260da0b01010c4c0b35547b671aa78050
SHA256

5d2c0eef7c7410e86700cbfc36305212d0b340dc2a5244eb621349d3bfdeaeee
SHA512

d08e5c53b5a19cb055a0903d3a721b34c83ac97816e6c6a3d83d7c967d9588e1366abf2c146c9151f655d8abbafbc33f7290002f726296da28c9ad5c545a99ec
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIJ3Eu:b/yC4GyNM01GuQMNXw2PSjH+P1R

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
2024-03-13_40f41b3ed4bb182ca4aadb21a37b3307_cryptolocker

Files

2024-03-13_40f41b3ed4bb182ca4aadb21a37b3307_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