2024-02-25_f5d3e68d5bbbcc6c86de2f8bbdd04251_cryptolocker | Triage

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General

Target

2024-02-25_f5d3e68d5bbbcc6c86de2f8bbdd04251_cryptolocker
Size

31KB
MD5

f5d3e68d5bbbcc6c86de2f8bbdd04251
SHA1

f9105200ea5f565cfaa903b803009052e75a8b85
SHA256

cc5cd7c33bae5bdb4e0662dc60d79f34ebc38cd2676198e61745cb7d59e0e1f4
SHA512

b00be48e71f18e729d2d404cfafc09aff37e3ec0cf07fd6c29ca3b55778f25eb8158e9364a4d0d5f9c8d8c5b1be94854720e37e67c40cd74a56f993a189439e2
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn8YoE6:b/yC4GyNM01GuQMNXw2PSjkE6

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
2024-02-25_f5d3e68d5bbbcc6c86de2f8bbdd04251_cryptolocker

Files

2024-02-25_f5d3e68d5bbbcc6c86de2f8bbdd04251_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