2024-02-28_31e7a9cd433540f32c852d8acb73d341_cryptolocker | Triage

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General

Target

2024-02-28_31e7a9cd433540f32c852d8acb73d341_cryptolocker
Size

42KB
MD5

31e7a9cd433540f32c852d8acb73d341
SHA1

532591f93d98bed7816de5f401e0bdc3f6b40d0b
SHA256

8ebe8992d2df0e064636e4015fe68482f4636707d19ed7647d96d7762704aafa
SHA512

eaf12cbd48d392b7cbb94f636118cfc9ee6edae070384bac3dca5844c4b0b86ec4e4630dfa5e93cc40f8856574af594922240d8ce6fd05e6e3bd7d7eef3938c6
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PADa:b/pYayGig5HjS3NPAO

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
2024-02-28_31e7a9cd433540f32c852d8acb73d341_cryptolocker

Files

2024-02-28_31e7a9cd433540f32c852d8acb73d341_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