2024-02-24_b5e9dfd9e17f1f0c200d7f7ccc5767a9_cryptolocker | Triage

Sharing

General

Target

2024-02-24_b5e9dfd9e17f1f0c200d7f7ccc5767a9_cryptolocker
Size

39KB
MD5

b5e9dfd9e17f1f0c200d7f7ccc5767a9
SHA1

aa646009c2d9371f91741f6b734e8b8ac74b1505
SHA256

02645962975f00ecac1c094773b9b8a970061e954d9e4e48b3a8eb08959356d6
SHA512

310fc8afdcf108e4e740f806ac34aa7738dc2a6ca164f194e65561c37e27ce08f138321e09679f548eac18b541c46b33ceb1a8d39473b90b44020cfa1b6b6e02
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dyzt:bIDOw9a0Dwo3P1ojvUSDq

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
2024-02-24_b5e9dfd9e17f1f0c200d7f7ccc5767a9_cryptolocker

Files

2024-02-24_b5e9dfd9e17f1f0c200d7f7ccc5767a9_cryptolocker
.exe windows:5 windows x86 arch:x86

0bcae7989ef60f5550a7f5735f53a2aa

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

EndPaint
GetMessageA
DispatchMessageA
ShowWindow
UpdateWindow
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
PostQuitMessage
GetWindowRect

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 506B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ