2024-02-21_3ba51a2670b7783f3f5acaadd05a8bf4_cryptolocker | Triage

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General

Target

2024-02-21_3ba51a2670b7783f3f5acaadd05a8bf4_cryptolocker
Size

30KB
MD5

3ba51a2670b7783f3f5acaadd05a8bf4
SHA1

44156cb1589ef99721892e2dcd6aaac3373abb8d
SHA256

c2e7f771e62da91a40363a81cc20d25db98b6b89600e24f871dc02ca6f10208e
SHA512

42b3e5e809f4d5ec6d178f1d16f8e3e4e295d9f07b3a2a90924346b51d3a5128252a39a4213d53bc9a4975ece41464cfdbb5c4686a40392ee926330fd8940951
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznPtK:b/yC4GyNM01GuQMNXw2PSjPtK

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
2024-02-21_3ba51a2670b7783f3f5acaadd05a8bf4_cryptolocker

Files

2024-02-21_3ba51a2670b7783f3f5acaadd05a8bf4_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