2024-01-26_b05f5d1083e5ae0b3bc7ec3b358f2e02_cryptolocker | Triage

Sharing

General

Target

2024-01-26_b05f5d1083e5ae0b3bc7ec3b358f2e02_cryptolocker
Size

33KB
MD5

b05f5d1083e5ae0b3bc7ec3b358f2e02
SHA1

3abf0e31f4e2864c0cf82a7600e1406e11babd9f
SHA256

598bad8bd3ae6afda088d0350c8e154c6720c930f54b2178c2734da65637d19a
SHA512

92a766ca264339b9860429685012e3b519cc2d7781fdcfd054552c9018d0afafff431b276c9c2ad73e27827d111a1f4519e85c6e238e5349e2c24572397418f1
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0ar:b/yC4GyNM01GuQMNXw2PSjH+ar

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
2024-01-26_b05f5d1083e5ae0b3bc7ec3b358f2e02_cryptolocker

Files

2024-01-26_b05f5d1083e5ae0b3bc7ec3b358f2e02_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