2024-02-21_a94fe495a861f08c2f0eb5892b27d6df_cryptolocker | Triage

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General

Target

2024-02-21_a94fe495a861f08c2f0eb5892b27d6df_cryptolocker
Size

41KB
MD5

a94fe495a861f08c2f0eb5892b27d6df
SHA1

06c59d500d53abed41213894464d6dfcdd127d3b
SHA256

4f8f8968d246fed407877ec2ba42e1b24088a7e73f075bbf95aa74fbfb8dd710
SHA512

c5159fe224a9206324dd658e8df549e500998ebfbaaf3e0eb86f7a5da135ccb64045a6aea3c5c2e34e06bfab4485be848b3207b5356d55efbf8c114d7ecd0929
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PASBk:b/pYayGig5HjS3NPASO

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
2024-02-21_a94fe495a861f08c2f0eb5892b27d6df_cryptolocker

Files

2024-02-21_a94fe495a861f08c2f0eb5892b27d6df_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