netwalker | 6a234f3e81dc0ce808ed0cd7d38e3be4JaffaCakes118

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General

Target

6a234f3e81dc0ce808ed0cd7d38e3be4JaffaCakes118
Size

54KB
MD5

6a234f3e81dc0ce808ed0cd7d38e3be4
SHA1

21e821d3d81c398ad4e8d749b713cc8768969628
SHA256

d7c7947d060da8f4207e7e919e8f777f6f8ea475085291d5a547546a39a096fc
SHA512

62232eaa55bee362874de4c388e9c443c592d07ad2fd114159f994a32bd391dc34c0362c08c19a2ea62e76dcfa6b2c33e7dd15fdd25d6e4156401d4245fc2ac3
SSDEEP

768:OnJr+Opk+ptC7j/zz6GGGqoSEr3e8TDPF+87IKdNMAkRj7kT/x:aS10ty2XGy0T7BdERjk

Score

10^/10

netwalker

Malware Config

Signatures

Detected Netwalker Ransomware 1 IoCs

Detected unpacked Netwalker executable.

resource	yara_rule
sample	netwalker_ransomware

Netwalker family
netwalker

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
6a234f3e81dc0ce808ed0cd7d38e3be4JaffaCakes118

Files

6a234f3e81dc0ce808ed0cd7d38e3be4JaffaCakes118
.exe windows:6 windows x86 arch:x86

5b31ac8cdf313aa6e4513e902c6f0c0f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetModuleHandleW
GetProcAddress
LoadLibraryA
lstrcpyA
lstrcpyW
lstrcatW
CreateFileW
GetFileAttributesW
GetFileSizeEx
ReadFile
SetEndOfFile
SetFileAttributesW
SetFilePointerEx
WriteFile
CloseHandle
GetCommandLineW
FindClose
FindFirstFileW
GetProcessHeap
GetLogicalDriveStringsW
SetErrorMode
WaitForMultipleObjects
ExitProcess
CreateThread
GetComputerNameExW
LoadResource
LockResource
SizeofResource
lstrcmpW
lstrcmpiW
lstrlenW
FindResourceA
GetFileSize
DeleteFileW
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
MultiByteToWideChar
HeapFree
HeapReAlloc
FindNextFileW
HeapAlloc

user32

EnableWindow
GetSystemMetrics
UpdateWindow
SetActiveWindow
SetWindowTextA
SetWindowTextW
DestroyWindow
IsDlgButtonChecked
MessageBoxW
LoadCursorW
CreateWindowExW
TranslateMessage
GetMessageW
wsprintfW
RegisterClassW
CheckDlgButton
SetWindowPos
GetWindowRect
ShowWindow
PostQuitMessage
DefWindowProcW
SendMessageW
GetWindowTextW
DispatchMessageW

gdi32

CreateFontW

comdlg32

GetOpenFileNameW

shell32

SHGetPathFromIDListW
CommandLineToArgvW
SHBrowseForFolderW

mpr

WNetUseConnectionW
WNetAddConnection2W
WNetOpenEnumW
WNetCloseEnum
WNetEnumResourceW

Sections

.text
Size: 46KB - Virtual size: 45KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4KB - Virtual size: 4KB

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: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5b31ac8cdf313aa6e4513e902c6f0c0f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

shell32

mpr

Sections

.text Size: 46KB - Virtual size: 45KB

.rdata Size: 4KB - Virtual size: 4KB

.data Size: 512B - Virtual size: 1KB

.rsrc Size: 512B - Virtual size: 16B

.reloc Size: 1KB - Virtual size: 1KB

.text
Size: 46KB - Virtual size: 45KB

.rdata
Size: 4KB - Virtual size: 4KB

.data
Size: 512B - Virtual size: 1KB

.rsrc
Size: 512B - Virtual size: 16B

.reloc
Size: 1KB - Virtual size: 1KB