2024-05-31_3b0b6b783e13eb728f4d9b681c92d14d_cryptolocker | Triage

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General

Target

2024-05-31_3b0b6b783e13eb728f4d9b681c92d14d_cryptolocker
Size

40KB
MD5

3b0b6b783e13eb728f4d9b681c92d14d
SHA1

ba1e6348fa6c87ced7e50c1d78a53ef656bd61a6
SHA256

7b872364495a5ad6b8fc6e5106dd39acc9f8990c5670d418aa0e835747b4ed4e
SHA512

2dbfa260da08aa0f9331a3c59f397f685090abc63c8e5ed3ab3a008dd8efbeb6585cb771c90bce53e13dac5ab56c9a98b464d7f492fd138619a38ce6d21692bc
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmxT4Hmz:bA6YcA/X6G0W1BGz

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
2024-05-31_3b0b6b783e13eb728f4d9b681c92d14d_cryptolocker

Files

2024-05-31_3b0b6b783e13eb728f4d9b681c92d14d_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