2024-05-02_856ef90e9e79e9c73d3f1d87ff9aa5bf_cryptolocker | Triage

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General

Target

2024-05-02_856ef90e9e79e9c73d3f1d87ff9aa5bf_cryptolocker
Size

31KB
MD5

856ef90e9e79e9c73d3f1d87ff9aa5bf
SHA1

72317402795aec6308dff362cf5c2eef014acb89
SHA256

1aad58923585471572e4ac6c0bf0073188c10cb887bc06e5e53a89d43b9d7f22
SHA512

48490f512b1d1a1f215575dd01b23a55ee9730d2d36b84a1f4e50a744f96a8e41b9e111f9683b74f8b3d409623c019c8c5c5d5bcba51b7766434b61158eb3284
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznum+U/hgo:b/yC4GyNM01GuQMNXum+e

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
2024-05-02_856ef90e9e79e9c73d3f1d87ff9aa5bf_cryptolocker

Files

2024-05-02_856ef90e9e79e9c73d3f1d87ff9aa5bf_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