2024-04-29_76b9f3ae9e7f5626171196aa15f70adc_cryptolocker | Triage

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General

Target

2024-04-29_76b9f3ae9e7f5626171196aa15f70adc_cryptolocker
Size

36KB
MD5

76b9f3ae9e7f5626171196aa15f70adc
SHA1

c4e00367d00063b6d9cfdf7ed84c266141fc410a
SHA256

784c9a463f87e5c71499566c9e3be5badfc64dee8fdcf072bcb0faca1e3f2c10
SHA512

480f12ed1ab06c9e707479539ff9b3c9be24ed3b05ceee4b294dee46cb06198c7bbfc740fcbf2c04b327f8eeddf08f1b1fe1b4434705dad6ce9bea89cec9f1fb
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIjxuW:b/yC4GyNM01GuQMNXw2PSjH+PPx3

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
2024-04-29_76b9f3ae9e7f5626171196aa15f70adc_cryptolocker

Files

2024-04-29_76b9f3ae9e7f5626171196aa15f70adc_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