2024-01-26_d4941f531fbb3254fb8b7cc2754dc5a9_cryptolocker | Triage

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General

Target

2024-01-26_d4941f531fbb3254fb8b7cc2754dc5a9_cryptolocker
Size

31KB
MD5

d4941f531fbb3254fb8b7cc2754dc5a9
SHA1

b9e6ff8219897a7ba27a8d17b162bc6144ed4f52
SHA256

7cca36ec9993e92778d420cb22d49f3f56551fd25564ef8e42279bfb412f9496
SHA512

ab4f71d70958435d19152b6969c16e838e1ea7ac25bb503ff893fa0a334e4d15a1ff3953536aaf085cc564b425ea8f567e40b3e908a7d268511f3f5824436165
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznStEg6vk:b/yC4GyNM01GuQMNXw2PSjSKgF

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
2024-01-26_d4941f531fbb3254fb8b7cc2754dc5a9_cryptolocker

Files

2024-01-26_d4941f531fbb3254fb8b7cc2754dc5a9_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