2024-02-22_b497fe5ccb1f3507173c5fa55b023f34_cryptolocker | Triage

Sharing

General

Target

2024-02-22_b497fe5ccb1f3507173c5fa55b023f34_cryptolocker
Size

41KB
MD5

b497fe5ccb1f3507173c5fa55b023f34
SHA1

546b1889afce337c943ca2b1f26f2a0bd3b20541
SHA256

e4620e18f99349c5428bc32f1586cde929c516e468fe058b7db57ab7cf691d55
SHA512

f90877275458b933a1cb4e5a08902ce21a9a69376156ab28bd54c1c80d06060c7563f9d511c34abe2ccd54bd342a8b94ac16925197b6f84459de9684f1a5d137
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PAa4lF:b/pYayGig5HjS3NPAHF

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
2024-02-22_b497fe5ccb1f3507173c5fa55b023f34_cryptolocker

Files

2024-02-22_b497fe5ccb1f3507173c5fa55b023f34_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