2024-03-06_99b532b3aac2547a4f20f8acbd4ac7e0_cryptolocker | Triage

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General

Target

2024-03-06_99b532b3aac2547a4f20f8acbd4ac7e0_cryptolocker
Size

41KB
MD5

99b532b3aac2547a4f20f8acbd4ac7e0
SHA1

42c298909d5848d1c7536a30ae14a4f6d106ea3d
SHA256

f91d10c9cba243a6eca53a71968252898b451b86f058b4749945ffe4f2cdb4dc
SHA512

9dbac5239aa4a3080d19a32a507db90ac7c3f40ff81628587ae61dfb75212eb2ce1b6bb76fc5324a6f31e3f9bc6ede29053643efd7d502a5e75751e96a6c0004
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1g:bxNrC7kYo1Fxf3s05rwxbF7g

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
2024-03-06_99b532b3aac2547a4f20f8acbd4ac7e0_cryptolocker

Files

2024-03-06_99b532b3aac2547a4f20f8acbd4ac7e0_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