2024-04-23_2a71d7b30bb6bc2597c9d26b12581ad8_cryptolocker | Triage

Sharing

General

Target

2024-04-23_2a71d7b30bb6bc2597c9d26b12581ad8_cryptolocker
Size

36KB
MD5

2a71d7b30bb6bc2597c9d26b12581ad8
SHA1

3128f390fde1cd3bf3f9ea38afcdcf974039dc0c
SHA256

37ea9d24b6f2bdc9eb2163f6ad87d7ae0d7278c511ed2de2e8892296514cd4b2
SHA512

a9f5dbb88d63aee8946064482ade46f65a0340c62d5a5894bef8af0a975cb678ab0cfc8765017906f078807cce4c96b8aeadca4c3d50f5d0013a406fa24fcaa3
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIjxuw:b/yC4GyNM01GuQMNXw2PSjH+PPxt

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
2024-04-23_2a71d7b30bb6bc2597c9d26b12581ad8_cryptolocker

Files

2024-04-23_2a71d7b30bb6bc2597c9d26b12581ad8_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