2024-05-20_b4a4e7365cdeab1a4c5f4adead08bd21_cryptolocker | Triage

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General

Target

2024-05-20_b4a4e7365cdeab1a4c5f4adead08bd21_cryptolocker
Size

38KB
MD5

b4a4e7365cdeab1a4c5f4adead08bd21
SHA1

53eead7dee6193aa5fd26e5be2ce117396560114
SHA256

ad02c25000d2137eede7920d4a49f5f13444d0ea3a40500d3e0f14ba7bf61ca8
SHA512

67822d090c7569f64372ea0e8f4adff527fd416c4ce6fac65cd0ac0f1a9c3bdf9a476337128dd83b3302f2a95c90af0d9ab7b19f8103f3ca05e313a67cf74cf1
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIjxuaPlb4:b/yC4GyNM01GuQMNXw2PSjH+PPxVK

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
2024-05-20_b4a4e7365cdeab1a4c5f4adead08bd21_cryptolocker

Files

2024-05-20_b4a4e7365cdeab1a4c5f4adead08bd21_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