2024-04-19_f1a405bd71742200f0a8b57a060db4e5_cryptolocker | Triage

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General

Target

2024-04-19_f1a405bd71742200f0a8b57a060db4e5_cryptolocker
Size

39KB
MD5

f1a405bd71742200f0a8b57a060db4e5
SHA1

1b3bb2b5d858c52989a59cd5fb58b08dc0c7b15f
SHA256

407a7eacb506c113d626238090d84bbd9b5943b294ceb9d7b7a8875bdb79dfe3
SHA512

dbfb4ba4a6d6d7469ec9799c5f16d4acbb067631aeb83381ffe93b7fdb55ab87aaffd7a7098350c3b0733e242a51945a1e8c56eb26e28159c008f8a88d670457
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCf:bA6YcA/X6G0W143QI

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
2024-04-19_f1a405bd71742200f0a8b57a060db4e5_cryptolocker

Files

2024-04-19_f1a405bd71742200f0a8b57a060db4e5_cryptolocker
.exe windows:5 windows x86 arch:x86

021d5e7849e90fdf4c65d3045c109483

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

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

gdi32

CreateFontIndirectA

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 2KB

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: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ