2024-03-11_8fd3f5878cf4cbc23464f6fbf6eb84eb_cryptolocker | Triage

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General

Target

2024-03-11_8fd3f5878cf4cbc23464f6fbf6eb84eb_cryptolocker
Size

30KB
MD5

8fd3f5878cf4cbc23464f6fbf6eb84eb
SHA1

03187084219412f1fc40e07484c27b9249e7a371
SHA256

d2f9a06d9ab8ead4c923aae71e5a34b819f3a9989e6f03035d1d29fd6bc97a49
SHA512

1e1be72389ff1e82e70e99352dc6dbbc27978898ab9ab5bd0d804001c6d3530f6f72a8c073257c9a6441e49666e2493ce987d42ecf23a8160391ce9d0161b7ba
SSDEEP

384:buWbtjL8L1iE0eBhkzPbKAaomTqC9Mwf4fjDCgpmaPc4mb8YbQ:bxNQIE0eBhkL2Fo1CCwgfjOg9ArbQ

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
2024-03-11_8fd3f5878cf4cbc23464f6fbf6eb84eb_cryptolocker

Files

2024-03-11_8fd3f5878cf4cbc23464f6fbf6eb84eb_cryptolocker
.exe windows:5 windows x86 arch:x86

3c4da9ed0ba02990af7795e358bfd650

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
CreateFileA

gdi32

CreateFontIndirectA

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 3KB

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: 1024B - Virtual size: 518B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ