2024-03-28_1b1d6b23472df4ea678bc2202f1eab6e_cryptolocker | Triage

Sharing

General

Target

2024-03-28_1b1d6b23472df4ea678bc2202f1eab6e_cryptolocker
Size

36KB
MD5

1b1d6b23472df4ea678bc2202f1eab6e
SHA1

760e3477bd7db53a942b6b61b13642f35ab69b6b
SHA256

66035f726c13c24f8b6b7876005b77e1658a2d3dc71eeeb145d6c328eba2907e
SHA512

f5fa1f21da6c5c377b9bd8a84b5a5e65ceb22b5dffd42fa236af4973e73d354ef051dabac01f4b093bf731fb114a3116b29664070ecc138915b1e556c51e55ef
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn1KkZCb9q8INBjP2Twy:b/yC4GyNM01GuQMNXw2PSj1Pqq8oBjo

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
2024-03-28_1b1d6b23472df4ea678bc2202f1eab6e_cryptolocker

Files

2024-03-28_1b1d6b23472df4ea678bc2202f1eab6e_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