2024-05-13_8f3f3cf5fd558fdf45ce8f2bc729ede8_cryptolocker | Triage

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General

Target

2024-05-13_8f3f3cf5fd558fdf45ce8f2bc729ede8_cryptolocker
Size

37KB
MD5

8f3f3cf5fd558fdf45ce8f2bc729ede8
SHA1

2f1906b0fad16b964e20914715e66926bf0c2c43
SHA256

941e82761a2cc9e0f067f63329594c5692990f58ba9074b62fbdd233a22fa81c
SHA512

acfc8675788655d8321748e3a42820c18a9e7a65aefda6cbd7be673bd34711a851707be68a471f3fa43d3a8191fcbd3a1012e4561385446324691651401b94da
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIjxuaPxK:b/yC4GyNM01GuQMNXw2PSjH+PPxV4

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
2024-05-13_8f3f3cf5fd558fdf45ce8f2bc729ede8_cryptolocker

Files

2024-05-13_8f3f3cf5fd558fdf45ce8f2bc729ede8_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