2024-03-18_a12c5eb2a9f90e65ddb1b7ff1b25bb30_cryptolocker | Triage

Sharing

General

Target

2024-03-18_a12c5eb2a9f90e65ddb1b7ff1b25bb30_cryptolocker
Size

35KB
MD5

a12c5eb2a9f90e65ddb1b7ff1b25bb30
SHA1

4313202e1f79dacf1515e898d7c01969c493053d
SHA256

cf2527ff22380ea7a952eefdc8d7abf6b3b6aa4afd45d9d065e13f5fc62b56db
SHA512

85eb2f91eb032e079360911fe3ed0471d5ccb6e8d50b3c72e87c39d268eaa2ab90c6f456030ae4d836f2cdababd8334dcf733ad1dcf98c2cbdb64c3796ff6d4f
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIJ3QEJ:b/yC4GyNM01GuQMNXw2PSjH+P1gG

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
2024-03-18_a12c5eb2a9f90e65ddb1b7ff1b25bb30_cryptolocker

Files

2024-03-18_a12c5eb2a9f90e65ddb1b7ff1b25bb30_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