2024-05-13_a3b01e23a2951f2db1e7545f6b3b6fd4_cryptolocker | Triage

Sharing

General

Target

2024-05-13_a3b01e23a2951f2db1e7545f6b3b6fd4_cryptolocker
Size

31KB
MD5

a3b01e23a2951f2db1e7545f6b3b6fd4
SHA1

41fc7493cffbda155f49f07372d0c9c087416ade
SHA256

2fb050c4b0c950d487bf352129b6b48e413f6600e96e53ada935d839014dc568
SHA512

220e51b193ab720bcb0a8e4f9c6cb61bb179a01efecdb2fb61d7b6cfb7b94055f2a52d7957443b23460d290e7bf24b1a8a6519456a94a31277a76577fae476d3
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7N:bAvJCYOOvbRPDEgXRcJZ

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
2024-05-13_a3b01e23a2951f2db1e7545f6b3b6fd4_cryptolocker

Files

2024-05-13_a3b01e23a2951f2db1e7545f6b3b6fd4_cryptolocker
.exe windows:5 windows x86 arch:x86

5a4767bc6f06914cff6e249c178e3b95

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

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
GetCurrentDirectoryA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
GetCurrentThreadId
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ