2024-04-29_4bc99b594fcd9000f1d71063e96acb42_cryptolocker | Triage

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General

Target

2024-04-29_4bc99b594fcd9000f1d71063e96acb42_cryptolocker
Size

33KB
MD5

4bc99b594fcd9000f1d71063e96acb42
SHA1

cd86993ed6e1ddbd44fa1fbea9f72dd6360a9e4c
SHA256

1f9cb562dcbbcceae7639e6cab8972d1795919e719543673f50e9fe65c599f8b
SHA512

5fb85d784cf37f564578db29e76aefe0c12f95abb89ff9e103ad05daf183096f4c5d338e987755703ca3eade2ca8f1487449d5c553702d1ddc3e8c5af87e5ff0
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5E:bxNrC7kYo1Fxf2rYY

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_4bc99b594fcd9000f1d71063e96acb42_cryptolocker

Files

2024-04-29_4bc99b594fcd9000f1d71063e96acb42_cryptolocker
.exe windows:5 windows x86 arch:x86

3c4da9ed0ba02990af7795e358bfd650

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

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

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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: 518B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ