2024-04-27_25c4d91e0941d02e8a6dd716aeaa040d_cryptolocker | Triage

Sharing

General

Target

2024-04-27_25c4d91e0941d02e8a6dd716aeaa040d_cryptolocker
Size

43KB
MD5

25c4d91e0941d02e8a6dd716aeaa040d
SHA1

0bfa7f5df35c22bfe3daa12ac9ea0cd93491c11e
SHA256

8469e7c83743be892c7471ee324ad38ec51b5fb77086172371f21bd2a9d07656
SHA512

0fd99e1f67e284c95db43cbfb05376f088fd25b2bdfdd3374f38f3a4d96cc0de40594d616c5b71fbf46f52a2a57fe5a2e68853e1a2f4342e19e5b5c7df6fddb3
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PA9:b/pYayGig5HjS3NPA9

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
2024-04-27_25c4d91e0941d02e8a6dd716aeaa040d_cryptolocker

Files

2024-04-27_25c4d91e0941d02e8a6dd716aeaa040d_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