2024-02-21_28ecb325b8f8f6f408f0f5116bcb8f55_cryptolocker | Triage

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General

Target

2024-02-21_28ecb325b8f8f6f408f0f5116bcb8f55_cryptolocker
Size

34KB
MD5

28ecb325b8f8f6f408f0f5116bcb8f55
SHA1

ae941c27844d08f39044b7d6d87e8d3b62500e4b
SHA256

b6c637e1c4468b6e32f5b56f67c1eeb3d0d94331517c258510850cf594f2f144
SHA512

88b67ea156d2505fe61c6d2604fb58ace30284adce7cd5e48c7e8641a18d58b559da0161ab2efd81d250b14b0ed89da4085bbfe2359d4457fb99f8b38256ad5c
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzu02lOQAUAMHzP:b/yC4GyNM01GuQMNXw2PSjHC02ltAUAW

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
2024-02-21_28ecb325b8f8f6f408f0f5116bcb8f55_cryptolocker

Files

2024-02-21_28ecb325b8f8f6f408f0f5116bcb8f55_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