2024-06-20_d4fb0d1ad9cb12e4edb6f08a92d126d4_cryptolocker | Triage

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General

Target

2024-06-20_d4fb0d1ad9cb12e4edb6f08a92d126d4_cryptolocker
Size

40KB
MD5

d4fb0d1ad9cb12e4edb6f08a92d126d4
SHA1

bda4b5a4a0960af51bb79d4575edd0e3dc018aa6
SHA256

766e7b711a0dd6a7d24360f35c7bb8f551e844e22e83cd1294e77b6621f6446e
SHA512

679d53626d6003a907f57b86e4e781a87d722ac5b4014b57bea0d6e5bff9ba2e931241782990ee200faace71a5f1f04862e3b8e8f0e2e6efc2e90baacae9d1ec
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn1KkZCb9q8IujdxNX6vDCOC:b/yC4GyNM01GuQMNXw2PSj1Pqq8BZb

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
2024-06-20_d4fb0d1ad9cb12e4edb6f08a92d126d4_cryptolocker

Files

2024-06-20_d4fb0d1ad9cb12e4edb6f08a92d126d4_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