2024-04-20_b4b27eca8139ceb0c06ee29b59b6cdc1_cryptolocker | Triage

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General

Target

2024-04-20_b4b27eca8139ceb0c06ee29b59b6cdc1_cryptolocker
Size

40KB
MD5

b4b27eca8139ceb0c06ee29b59b6cdc1
SHA1

833b21e348969df84fc59f467823a0b30c90b35c
SHA256

21fb9f05933b05794689e13235a394a5190ab4b4464038655aa4a32d268c8dfa
SHA512

676d936f072561d5306133e2d6a9f02defcfdd93a4f4ad142c896d6906f303319b7e87fd317f880af2bfd8222a5072146fe31c28abe356f59c12adbed52b84e9
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyE9xgyo:bIDOw9a0Dwo3P1ojvUSD79yyo

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
2024-04-20_b4b27eca8139ceb0c06ee29b59b6cdc1_cryptolocker

Files

2024-04-20_b4b27eca8139ceb0c06ee29b59b6cdc1_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