2024-02-22_b90ea4d0907ee08f67ad3e82ab30a57e_cryptolocker | Triage

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General

Target

2024-02-22_b90ea4d0907ee08f67ad3e82ab30a57e_cryptolocker
Size

37KB
MD5

b90ea4d0907ee08f67ad3e82ab30a57e
SHA1

80050898435ce78cd3e4889875cf96f866901a90
SHA256

9de5889e1f544e3c60e1d16d660606c2eb1217298cb5cb0ab12a7fd8df89bae5
SHA512

5cb0d6d2b2084a446c1d6a717f195d26284a821abc80229e6f16e4d48b9e5b2cea5b8f1ccaada9145c12faf0c35b95a9c9cfd432fbeaa79ad8d8114607e0b4fd
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3Ot:bxNrC7kYo1Fxf3s06gYt

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
2024-02-22_b90ea4d0907ee08f67ad3e82ab30a57e_cryptolocker

Files

2024-02-22_b90ea4d0907ee08f67ad3e82ab30a57e_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