Behavioral task
behavioral1
Sample
3408ea7a23ca67927abfd9ac8f91033b5b0d7a37b9c0407a4013d4e80bd9bd9f.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
3408ea7a23ca67927abfd9ac8f91033b5b0d7a37b9c0407a4013d4e80bd9bd9f.dll
Resource
win10v2004-20230831-en
General
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Target
3408ea7a23ca67927abfd9ac8f91033b5b0d7a37b9c0407a4013d4e80bd9bd9f
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Size
1.4MB
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MD5
2683477bbe9cfeec18bde33362e98f69
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SHA1
ec19fd81ed99f38e5662072f65730aa28366fa41
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SHA256
3408ea7a23ca67927abfd9ac8f91033b5b0d7a37b9c0407a4013d4e80bd9bd9f
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SHA512
daabe4fd7abf81da44258bfbf3d47432d13d096cd50f1e26d73244b618a800cfbfe1b7dea153548fe0ea827a6ef4384c246ddd581b65a57cbbaf986c359f6018
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SSDEEP
24576:aCgwWBMongiJAxqxZEA5kO8+vDD7Wld7kQG8HQZQ41CoU7f1x01LDRH4w3m6:Tvo/EA5XCDNHQZbkowfvsDOO
Malware Config
Signatures
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R77 family
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r77 rootkit payload 1 IoCs
Detects the payload of the r77 rootkit.
resource yara_rule sample r77_payload -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3408ea7a23ca67927abfd9ac8f91033b5b0d7a37b9c0407a4013d4e80bd9bd9f
Files
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3408ea7a23ca67927abfd9ac8f91033b5b0d7a37b9c0407a4013d4e80bd9bd9f.dll windows x64
b4f6df889b27300ced056244a46403b9
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
kernel32
EncodePointer
HeapSize
LoadLibraryW
FindResourceA
LoadResource
VirtualFree
SizeofResource
VirtualAlloc
GetModuleHandleA
VirtualProtect
GetCurrentProcessId
GetNativeSystemInfo
FreeLibrary
HeapAlloc
HeapFree
GetProcessHeap
IsBadReadPtr
SetLastError
GetProcAddress
LoadLibraryA
GetLastError
MultiByteToWideChar
WideCharToMultiByte
HeapReAlloc
GetCurrentThreadId
FlsSetValue
GetCommandLineA
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
FlsGetValue
FlsFree
FlsAlloc
DecodePointer
HeapSetInformation
GetVersion
HeapCreate
HeapDestroy
GetModuleHandleW
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameW
RtlUnwindEx
Sleep
SetHandleCount
InitializeCriticalSectionAndSpinCount
GetFileType
GetStartupInfoW
DeleteCriticalSection
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetSystemTimeAsFileTime
LCMapStringW
GetStringTypeW
LeaveCriticalSection
EnterCriticalSection
Sections
.text Size: 23KB - Virtual size: 23KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.upx0 Size: 66KB - Virtual size: 65KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 360B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ