2024-02-18_b634fcdffae2b82156e2c16f4e2c88b3_cryptolocker | Triage

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General

Target

2024-02-18_b634fcdffae2b82156e2c16f4e2c88b3_cryptolocker
Size

39KB
MD5

b634fcdffae2b82156e2c16f4e2c88b3
SHA1

eafcbe0cdac2123362c8c04c5c4d3265c982179c
SHA256

e9c7cf083b371692e6c535830ea00f0482c9f4231cab98f703f7ef42e845cf11
SHA512

6df65b3c5f805dd33480a462a0949cc0ea912dcd7c50f1f3da942258abdc0ca9899936d39689c08997326cfd75cfdd773e6d80eb098a8adb022cc86b46bee497
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlxu3l:b/yC4GyNM01GuQMNXw2PSjHPbSuYlY

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_b634fcdffae2b82156e2c16f4e2c88b3_cryptolocker

Files

2024-02-18_b634fcdffae2b82156e2c16f4e2c88b3_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