swprv[.]zip | Triage

Sharing

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General

Target

swprv.zip
Size

54KB
MD5

856130082aff0918ff6e9f0f0d58fcfd
SHA1

3c259383b28ed475d97bd8eccb6a55b5e5e828ed
SHA256

8ec46259516a0f2fe8d7b7593d448b98e27908c0d4a6b84d72af73358f9017d7
SHA512

c31d77d595f9051efa69e4bf92ec2aaca937fa9664bd3e8a8e2c44d7003f8b992218cf2e74450372de7531acd9bdefceba105c2b4ad2168bfdaabfe94b168b10
SSDEEP

1536:j3FH9EEWT6MdJ+VVXh3ilLBrdB8rFT/hFBaK74gjT:R9EbBJ+VVx3uSxZ74oT

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/swprv.dll

Files

swprv.zip
.zip
run.ps1
.ps1
swprv.dll
.dll windows:5 windows x64 arch:x64

48767393212556d19805bae0ab0d4be4

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

advapi32

OpenServiceA
CloseServiceHandle
DeleteService
RegSetValueExA
RegisterServiceCtrlHandlerA
RegQueryValueExA
CreateServiceA
RegCreateKeyA
RegOpenKeyExA
SetServiceStatus
OpenSCManagerA
ControlService
RegCloseKey

ws2_32

connect
inet_ntoa
WSAStartup
recvfrom
inet_addr
htonl
htons
setsockopt
sendto
WSACleanup
recv
bind
socket
closesocket
send
getsockopt

kernel32

RaiseException
CreateFileW
HeapSize
SetStdHandle
WriteConsoleW
HeapReAlloc
LoadLibraryW
GetStringTypeW
GetCurrentProcessId
ExitProcess
CreateFileA
GetFileSize
SetFilePointer
PeekNamedPipe
GetCurrentProcess
WaitForSingleObject
CreateRemoteThread
WriteFile
VirtualFreeEx
TerminateThread
Sleep
FreeConsole
CreateProcessA
TerminateProcess
ReadFile
ExitThread
DisconnectNamedPipe
GetLastError
SetLastError
GetProcAddress
VirtualAllocEx
GetExitCodeThread
WaitForMultipleObjects
CreatePipe
GetModuleFileNameA
GetModuleHandleA
DuplicateHandle
CloseHandle
WriteProcessMemory
CreateThread
HeapFree
HeapAlloc
EnterCriticalSection
LeaveCriticalSection
WideCharToMultiByte
GetSystemTimeAsFileTime
GetCurrentThreadId
FlsSetValue
GetCommandLineA
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
EncodePointer
FlsGetValue
FlsFree
FlsAlloc
DecodePointer
LCMapStringW
MultiByteToWideChar
HeapSetInformation
GetVersion
HeapCreate
HeapDestroy
GetModuleHandleW
GetStdHandle
GetModuleFileNameW
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
DeleteCriticalSection
GetConsoleCP
GetConsoleMode
FlushFileBuffers
RtlUnwindEx
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
RtlPcToFileHeader

Exports

Exports

??0Cssdll@@QEAA@XZ
??4Cssdll@@QEAAAEAV0@AEBV0@@Z
?fnssdll@@YAHXZ
?nssdll@@3HA
IJA
INA
ServiceMain
UNA
UPA

Sections

.text
Size: 75KB - Virtual size: 75KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 19KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 696B

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

48767393212556d19805bae0ab0d4be4

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

ws2_32

kernel32

Exports

Exports

Sections

.text Size: 75KB - Virtual size: 75KB

.rdata Size: 19KB - Virtual size: 19KB

.data Size: 6KB - Virtual size: 14KB

.pdata Size: 4KB - Virtual size: 3KB

.rsrc Size: 1024B - Virtual size: 696B

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

.text
Size: 75KB - Virtual size: 75KB

.rdata
Size: 19KB - Virtual size: 19KB

.data
Size: 6KB - Virtual size: 14KB

.pdata
Size: 4KB - Virtual size: 3KB

.rsrc
Size: 1024B - Virtual size: 696B

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