2024-04-20_a42ffa1c141f7686a7a1e4e2c4304a30_cryptolocker | Triage

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General

Target

2024-04-20_a42ffa1c141f7686a7a1e4e2c4304a30_cryptolocker
Size

40KB
MD5

a42ffa1c141f7686a7a1e4e2c4304a30
SHA1

214a212444e3f5f513ca35581a294cca89d60f67
SHA256

f879fc81823d06201110127245b1dac8fd2948f94e7d0b2701134cd9788f7ac8
SHA512

dccfde51a28be5a993edf4e21f2dd98044720e21e3be5da4b1e4ae7c6b9aabfe3ddfac948269999e419d7b3e09317570b4fc29598a673bb2459f3eb0dae014ab
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyE9xgyb:bIDOw9a0Dwo3P1ojvUSD79yyb

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_a42ffa1c141f7686a7a1e4e2c4304a30_cryptolocker

Files

2024-04-20_a42ffa1c141f7686a7a1e4e2c4304a30_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