2024-03-16_ff839a1a20b5d7def36dbbd17d2e4a1f_cryptolocker | Triage

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General

Target

2024-03-16_ff839a1a20b5d7def36dbbd17d2e4a1f_cryptolocker
Size

41KB
MD5

ff839a1a20b5d7def36dbbd17d2e4a1f
SHA1

89e7f8aaa7d93c3b1ba8121908835b11a57447e3
SHA256

d6fd735724c18a6292cbb9c3e57bf4f1b68a372364550424354bac117f219ea3
SHA512

ecef30d4e59758d4a5e00fe92f3fa73fdfb573665ee10f7f404e3d32a81e43ddd1c6d608cd683ee2b58204da2c4f36cb3e8a7c6d8e8369f7bb01d6a4e8e48853
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6Dy8Pgj1M0Yy5:bIDOw9a0Dwo3P1ojvUSDhYj2bS

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
2024-03-16_ff839a1a20b5d7def36dbbd17d2e4a1f_cryptolocker

Files

2024-03-16_ff839a1a20b5d7def36dbbd17d2e4a1f_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