2024-05-26_a41a24b2760d0a5f65bb22384d58d5f2_cryptolocker | Triage

Sharing

General

Target

2024-05-26_a41a24b2760d0a5f65bb22384d58d5f2_cryptolocker
Size

41KB
MD5

a41a24b2760d0a5f65bb22384d58d5f2
SHA1

939710bd33f5e656a6d18ad0a215823be8c40b7b
SHA256

7f1e1a0c6be7a2fefa349352d9f0d7b7baddfed6d496db4808bd856ef2f1e3ac
SHA512

d1f25263c185cd26c4e903b842c81e38377d511e6c5f97469cfd4a3756d06f43f97a930082427c7a86765a8ff9f48522ec37ebdb5ebbb8b10b41d770c1c7c037
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCX:bA6YcA/X6G0W143QQ

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
2024-05-26_a41a24b2760d0a5f65bb22384d58d5f2_cryptolocker

Files

2024-05-26_a41a24b2760d0a5f65bb22384d58d5f2_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