2024-02-13_4099c7e46eb320bb2ad3b8a4c9dec85d_cryptolocker | Triage

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General

Target

2024-02-13_4099c7e46eb320bb2ad3b8a4c9dec85d_cryptolocker
Size

37KB
MD5

4099c7e46eb320bb2ad3b8a4c9dec85d
SHA1

8f78b6074afd76d5f7542a3d2b40e163e8d93918
SHA256

a2fbb2d8ec2d0d7caedd3825d1fe7c5bbd9613d320d277bcc56a4fa027e8d02a
SHA512

356db66e218a172e63e54918eff99364a411dd688173b24b0a7939e427e5962ae02bf501d6bac782ab25abbd7f986ae08a6e621caf2d7adb724d0bd67b95d720
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3O1:bxNrC7kYo1Fxf3s06gY1

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
2024-02-13_4099c7e46eb320bb2ad3b8a4c9dec85d_cryptolocker

Files

2024-02-13_4099c7e46eb320bb2ad3b8a4c9dec85d_cryptolocker
.exe windows:5 windows x86 arch:x86

3c4da9ed0ba02990af7795e358bfd650

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
ShowWindow
SetWindowPos

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 518B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ