2024-02-28_2f2777e961e802fe038482fa77ad4a8d_cryptolocker | Triage

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General

Target

2024-02-28_2f2777e961e802fe038482fa77ad4a8d_cryptolocker
Size

50KB
MD5

2f2777e961e802fe038482fa77ad4a8d
SHA1

3f9a13360262b8a2b2f4c77b3937a9a6f8043910
SHA256

38fec1d28e95f5688f9ab59d13159b79aa4bdb48ff24d9ec12d4eb45c277aa4f
SHA512

31f3638e21627a58e0e5460ae996ea2b4fcdda03f62c0f8e1f79bac75f519d94edf1ec674ba5660c8717e6d32c2fa2c4416c21ebfbe4e5cc4e51b4f7ff7adb60
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxyV4tFVgQ0:bIDOw9a0Dwo3P1ojvUSD4PRtFVgZ

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
2024-02-28_2f2777e961e802fe038482fa77ad4a8d_cryptolocker

Files

2024-02-28_2f2777e961e802fe038482fa77ad4a8d_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