2024-01-23_b7f1f54ff42f7bc86782c6c530b81dc3_cryptolocker | Triage

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General

Target

2024-01-23_b7f1f54ff42f7bc86782c6c530b81dc3_cryptolocker
Size

38KB
MD5

b7f1f54ff42f7bc86782c6c530b81dc3
SHA1

dfc83a600dabf7cb81cf0538e19d73b7a293ed51
SHA256

c6c6bc45307ea699ab4a8a6229de0d2ee83e22e235059cce06cb16624a583c89
SHA512

831a9f74bbeae1d409d8b964a7630c668675e02b46ac81844b5997d31a3bccb9fe4f29a97b2bc822a470d18b19c30159e7c12992ed1ccbde93649f5978a3785b
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlWWPK:b/yC4GyNM01GuQMNXw2PSjHPbSuYlWWS

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
2024-01-23_b7f1f54ff42f7bc86782c6c530b81dc3_cryptolocker

Files

2024-01-23_b7f1f54ff42f7bc86782c6c530b81dc3_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