2024-02-29_6a5fa033483be8f670c0d0b9b6ae078b_cryptolocker | Triage

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General

Target

2024-02-29_6a5fa033483be8f670c0d0b9b6ae078b_cryptolocker
Size

40KB
MD5

6a5fa033483be8f670c0d0b9b6ae078b
SHA1

b38ee3d724be07d6d398476104fdcad4630fd0fd
SHA256

e2fda865e25af3ce9a60c9814fed9d31bc6abef84c6db256e1125c7468677813
SHA512

5c800069ccbe8849f9b66d63a784b4d843e7d96c0714e5e85243a0e2cfaa4f2ae031592dce2c8521dd76dc2f69d8d5d4d9d11b73fd0a0b24d2edc3626912fe75
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlxu9D:b/yC4GyNM01GuQMNXw2PSjHPbSuYl8

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
2024-02-29_6a5fa033483be8f670c0d0b9b6ae078b_cryptolocker

Files

2024-02-29_6a5fa033483be8f670c0d0b9b6ae078b_cryptolocker
.exe windows:5 windows x86 arch:x86

ad86a1414a0514f4c041167365378f70

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ