2024-03-06_f6bf21d13f3fe559a7b59e808e8a84a1_cryptolocker | Triage

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General

Target

2024-03-06_f6bf21d13f3fe559a7b59e808e8a84a1_cryptolocker
Size

43KB
MD5

f6bf21d13f3fe559a7b59e808e8a84a1
SHA1

0cc925ae137c1ebb8bfa8699be25d6db8f8a1f6f
SHA256

815ecdf33ed312588fba61e451775fe69efbf08171bcc5cd15cd47a72e400cbe
SHA512

918944381cbe127c6d484e9ad417ef6ea9d10e7568bcb2198b0c60c1a607594e4707a3f66297193df277c15dfb1a04755091d6e0afd1398f64fe12e0972b9e18
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9NO:bxNrC7kYo1Fxf3s05rwxbF7YvbXO

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
2024-03-06_f6bf21d13f3fe559a7b59e808e8a84a1_cryptolocker

Files

2024-03-06_f6bf21d13f3fe559a7b59e808e8a84a1_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