2024-03-16_9f9bb8964a9eaf38fe6f18bb9892ccc0_cryptolocker | Triage

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General

Target

2024-03-16_9f9bb8964a9eaf38fe6f18bb9892ccc0_cryptolocker
Size

35KB
MD5

9f9bb8964a9eaf38fe6f18bb9892ccc0
SHA1

7d2b948ff528f06f9c2acd7bc6e0b456b9097be0
SHA256

d3663cc067a92acdfba1aa13080defcbf1aac1f7c2f3e0c8fd286c6e2841e517
SHA512

e6477dc47b256bdf4612d20b38f8b97d7f9eb6e0b9b3c479eee27b14872abb691bc9da93b6a2c6bd2cfa7f4ff37f3d72a203026639f23704cfbdf13268355883
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn1KkZQYFxY:b/yC4GyNM01GuQMNXw2PSj1POaY

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
2024-03-16_9f9bb8964a9eaf38fe6f18bb9892ccc0_cryptolocker

Files

2024-03-16_9f9bb8964a9eaf38fe6f18bb9892ccc0_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