2024-02-23_b4a8ba504a44fdd83a27ffcc3f33fe9c_cryptolocker | Triage

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General

Target

2024-02-23_b4a8ba504a44fdd83a27ffcc3f33fe9c_cryptolocker
Size

41KB
MD5

b4a8ba504a44fdd83a27ffcc3f33fe9c
SHA1

aababe41aa52ded29d535195880ff8d56051332f
SHA256

10458fc45c6cff349575729012ea30b9a6bd28976557449c8d565b571a668f04
SHA512

002683fa89e37bcd955b38949b8915c9b2f439b6f2b6d3d7b872bb1392d8f9c5e05c833054f28d5b2b01eb35c3ea47abd423f4e23aee7287224c1a51c5a264ff
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PA5:b/pYayGig5HjS3NPA5

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
2024-02-23_b4a8ba504a44fdd83a27ffcc3f33fe9c_cryptolocker

Files

2024-02-23_b4a8ba504a44fdd83a27ffcc3f33fe9c_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