2024-04-22_5b9eb7cdd831cfdf123987cbe0f6651d_cryptolocker | Triage

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General

Target

2024-04-22_5b9eb7cdd831cfdf123987cbe0f6651d_cryptolocker
Size

36KB
MD5

5b9eb7cdd831cfdf123987cbe0f6651d
SHA1

e1fed4df6e54a0d19642398bb90b8b0561bc3f09
SHA256

fbdff3fdd8355f3034ff111ee89ad503e88d305c51136429e7211a52265ef895
SHA512

b072c73664f95099976276cbee83767dcfb9d09c6382a9ad39b5160cfa052d08255ffd429666f0361cc57f38b37318a3fc7ff8c6da028f37bc3cd1730a5591e5
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswm9Yh+:bA6YcA/X6G0W1EYU

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
2024-04-22_5b9eb7cdd831cfdf123987cbe0f6651d_cryptolocker

Files

2024-04-22_5b9eb7cdd831cfdf123987cbe0f6651d_cryptolocker
.exe windows:5 windows x86 arch:x86

021d5e7849e90fdf4c65d3045c109483

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

UpdateWindow
LoadCursorA
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
SetWindowPos

kernel32

GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ