2024-04-24_cbf8a751b1d0f4c706e4cb01c4a5ec55_cryptolocker | Triage

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General

Target

2024-04-24_cbf8a751b1d0f4c706e4cb01c4a5ec55_cryptolocker
Size

32KB
MD5

cbf8a751b1d0f4c706e4cb01c4a5ec55
SHA1

cd9aefdf8d696cb3416eed9705475ccc0dd2a07c
SHA256

97c81ec6b28eede6f02b49d75be087c45b6f05f3424c204f89577c3a57cf8ee4
SHA512

75b7607172e0ab2a0607f383c02e65fa2b4e4f8a4c7960c5b86825cd78086bab9ff1800c939d024ce862b4c2c7019b4773f58592446f1057cc902dd8bfb2331e
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznStEkcs8bm:b/yC4GyNM01GuQMNXw2PSjSKkc9bm

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
2024-04-24_cbf8a751b1d0f4c706e4cb01c4a5ec55_cryptolocker

Files

2024-04-24_cbf8a751b1d0f4c706e4cb01c4a5ec55_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