2024-02-18_8e4cc573631f9b9c6d2d7b4b6ff76d77_cryptolocker | Triage

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General

Target

2024-02-18_8e4cc573631f9b9c6d2d7b4b6ff76d77_cryptolocker
Size

31KB
MD5

8e4cc573631f9b9c6d2d7b4b6ff76d77
SHA1

999efe494c2a9c4831b30af30bcfb4bee9377470
SHA256

6d0bcff7dea89dae8b845d2326f6aa7f9b062df96002e7deda3d85b33c5eb08c
SHA512

cdd0e35ce1dc1c309990f73bc60425d9c916b5408a569d55b55bec1cf320e095b16846f20131cd2bafa17a5dc95c878c5158f0f8f8db87d77c1b2a5af37315e5
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznUs7:b/yC4GyNM01GuQMNXw2PSjZ

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
2024-02-18_8e4cc573631f9b9c6d2d7b4b6ff76d77_cryptolocker

Files

2024-02-18_8e4cc573631f9b9c6d2d7b4b6ff76d77_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