2024-02-28_2b1bb55daaec4d5d7f052f9e6e206494_cryptolocker | Triage

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General

Target

2024-02-28_2b1bb55daaec4d5d7f052f9e6e206494_cryptolocker
Size

39KB
MD5

2b1bb55daaec4d5d7f052f9e6e206494
SHA1

5d2d1e07c06991782cb4046f7c8c0a9af30c3b60
SHA256

f651515faa58fe07363954972b54144c8a8eb1ba50d28c2b35ecf51186caf31a
SHA512

2e5ab265969604c37e1a30826d428dc8bbddcd89bca33df1de23d9e308ac3e0d5837f1aebd651040e5dee1462bb309b54897b038599435e8987ef6e3c86bb4c1
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlxujsFwD:b/yC4GyNM01GuQMNXw2PSjHPbSuYlaJD

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
2024-02-28_2b1bb55daaec4d5d7f052f9e6e206494_cryptolocker

Files

2024-02-28_2b1bb55daaec4d5d7f052f9e6e206494_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