2024-04-16_8e9f64268ec195f09acd0a8d91b2c5db_cryptolocker | Triage

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General

Target

2024-04-16_8e9f64268ec195f09acd0a8d91b2c5db_cryptolocker
Size

44KB
MD5

8e9f64268ec195f09acd0a8d91b2c5db
SHA1

724bc407b0ad573a99c37c50b1bbdb48c7ab6915
SHA256

6648661159228f68dbe6aa77b4e5b303eb728d00340a3bb931b67ef0be735086
SHA512

aa5dc87837146a15bd69dfaf0886e96dc2ee4e18dcc1ae2a5bd7bee23b5c5e098cb9b7e9ac3db00bb26c017cb91f9ca753f8a645b34d779f8afd82f4ecfe637b
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9wAv6S:bxNrC7kYo1Fxf3s05rwxbF7YvbVX

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
2024-04-16_8e9f64268ec195f09acd0a8d91b2c5db_cryptolocker

Files

2024-04-16_8e9f64268ec195f09acd0a8d91b2c5db_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