2024-02-29_f4aa58793cbf1e5cd32d67e1679fef11_cryptolocker | Triage

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General

Target

2024-02-29_f4aa58793cbf1e5cd32d67e1679fef11_cryptolocker
Size

35KB
MD5

f4aa58793cbf1e5cd32d67e1679fef11
SHA1

12bd06e28df0bb306bb9858ec3ef9d2456da86a5
SHA256

0804cc9f7265cd02f2f30d48bb978c5e8071e5a719d5769599ec1d21242fe83b
SHA512

452647ba113fab48c03ddf26e7bc51c36aec462eeb05e9dda7b705da56793b9e821bcc6083e7ce1e0b39e292a46835ec3f3e03740f14d6aa6a5edc0a232389a0
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn1KkZCb9q8INBjP2a:b/yC4GyNM01GuQMNXw2PSj1Pqq8oBjT

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
2024-02-29_f4aa58793cbf1e5cd32d67e1679fef11_cryptolocker

Files

2024-02-29_f4aa58793cbf1e5cd32d67e1679fef11_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