asyncrat | New folder[.]zip

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General

Target

New folder.zip
Size

1.2MB
MD5

622d5994b151cf2d039d32b5cdd83227
SHA1

312e0a45ffdbcf32e26f2699d3d3f7fdefbc020f
SHA256

8d7e0046922716f97deef518f2d9f05e7a7dc8c3b6065b8d01ed1844c05d1999
SHA512

5659576c8303688e320fbe4e3e4c5813a3cae7421fa6ffadc02743c22f24f0ad9c5aae65366fa5e980fa8cc099038054a4d391381deac4b41123cd9db36fe43a
SSDEEP

24576:KR5iks6CqE+i952S3R9JIIy6JknCd6n7MZlTfc+kVKbxTKQDFC:7D6JE552S3lJk86n7ATfc9VKbvC

Score

10^/10

rat default upx asyncrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

127.0.0.1:8808

Mutex

QdNftpHJFSw4

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

Async RAT payload 1 IoCs

rat

resource	yara_rule
static1/unpack001/New folder/AsyncClient.exe	family_asyncrat

Asyncrat family
asyncrat

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
static1/unpack001/New folder/apocalypse.exe	upx
static1/unpack001/New folder/test.exe	upx

Unsigned PE 7 IoCs

Checks for missing Authenticode signature.

resource
unpack001/New folder/AsyncClient.exe
unpack001/New folder/New folder.exe
unpack001/New folder/apocalypse.exe
unpack002/out.upx
unpack001/New folder/borat.exe
unpack001/New folder/purple.exe
unpack001/New folder/test.exe

Files

New folder.zip
.zip
New folder/AsyncClient.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

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

mscoree

_CorExeMain

Sections

.text
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
New folder/New folder.exe
.exe windows:5 windows x64 arch:x64

b1c5b1beabd90d9fdabd1df0779ea832

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\Projects\WinRAR\sfx\build\sfxrar64\Release\sfxrar.pdb

Imports

kernel32

LocalFree
GetLastError
SetLastError
FormatMessageW
GetCurrentProcess
DeviceIoControl
SetFileTime
CloseHandle
RemoveDirectoryW
CreateFileW
DeleteFileW
CreateHardLinkW
GetShortPathNameW
GetLongPathNameW
MoveFileW
GetFileType
GetStdHandle
WriteFile
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
GetCurrentProcessId
CreateDirectoryW
SetFileAttributesW
GetFileAttributesW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetModuleFileNameW
SetCurrentDirectoryW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
GetModuleHandleW
FindResourceW
FreeLibrary
GetProcAddress
ExpandEnvironmentStringsW
ExitProcess
SetThreadExecutionState
Sleep
LoadLibraryW
GetSystemDirectoryW
CompareStringW
AllocConsole
FreeConsole
AttachConsole
WriteConsoleW
GetProcessAffinityMask
CreateThread
SetThreadPriority
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateEventW
CreateSemaphoreW
GetSystemTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
GlobalAlloc
LockResource
GlobalLock
GlobalUnlock
GlobalFree
GlobalMemoryStatusEx
LoadResource
SizeofResource
GetTimeFormatW
GetDateFormatW
GetExitCodeProcess
GetLocalTime
GetTickCount
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetCommandLineW
SetEnvironmentVariableW
GetTempPathW
MoveFileExW
GetLocaleInfoW
GetNumberFormatW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileA
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
WaitForSingleObjectEx
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
RtlUnwindEx
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
QueryPerformanceFrequency
GetModuleHandleExW
GetModuleFileNameA
GetACP
HeapFree
HeapAlloc
GetStringTypeW
HeapReAlloc
LCMapStringW
FindFirstFileExA

oleaut32

SysAllocString
SysFreeString
VariantClear

gdiplus

GdipCloneImage
GdipFree
GdipDisposeImage
GdipCreateBitmapFromStream
GdipCreateHBITMAPFromBitmap
GdiplusStartup
GdiplusShutdown
GdipAlloc

Sections

.text
Size: 282KB - Virtual size: 281KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 74KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 1024B - Virtual size: 864B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
New folder/Script.vbs
New folder/apocalypse.exe
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 44KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

CODE
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

DATA
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

BSS
Size: - Virtual size: 2KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 8B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 84KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
New folder/borat.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
New folder/purple.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 698KB - Virtual size: 698KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
New folder/test.bat
New folder/test.exe
.exe windows:4 windows x86 arch:x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Sections

UPX0
Size: - Virtual size: 508KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 228KB - Virtual size: 232KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Extracted

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 42KB - Virtual size: 41KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 12B

b1c5b1beabd90d9fdabd1df0779ea832

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

oleaut32

gdiplus

Sections

.text Size: 282KB - Virtual size: 281KB

.rdata Size: 74KB - Virtual size: 74KB

.data Size: 6KB - Virtual size: 57KB

.pdata Size: 12KB - Virtual size: 12KB

.didat Size: 1024B - Virtual size: 864B

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 57KB - Virtual size: 56KB

.reloc Size: 2KB - Virtual size: 2KB

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 44KB

UPX1 Size: 104KB - Virtual size: 104KB

.rsrc Size: 1024B - Virtual size: 4KB

Headers

File Characteristics

Sections

CODE Size: 25KB - Virtual size: 24KB

DATA Size: 1KB - Virtual size: 1KB

BSS Size: - Virtual size: 2KB

.idata Size: 2KB - Virtual size: 1KB

.tls Size: - Virtual size: 8B

.rdata Size: 512B - Virtual size: 24B

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

.rsrc Size: 84KB - Virtual size: 83KB

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 53KB - Virtual size: 52KB

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 12B

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 698KB - Virtual size: 698KB

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

.reloc Size: 512B - Virtual size: 12B

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 508KB

UPX1 Size: 228KB - Virtual size: 232KB

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

.text
Size: 42KB - Virtual size: 41KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 12B

.text
Size: 282KB - Virtual size: 281KB

.rdata
Size: 74KB - Virtual size: 74KB

.data
Size: 6KB - Virtual size: 57KB

.pdata
Size: 12KB - Virtual size: 12KB

.didat
Size: 1024B - Virtual size: 864B

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 57KB - Virtual size: 56KB

.reloc
Size: 2KB - Virtual size: 2KB

UPX0
Size: - Virtual size: 44KB

UPX1
Size: 104KB - Virtual size: 104KB

.rsrc
Size: 1024B - Virtual size: 4KB

CODE
Size: 25KB - Virtual size: 24KB

DATA
Size: 1KB - Virtual size: 1KB

BSS
Size: - Virtual size: 2KB

.idata
Size: 2KB - Virtual size: 1KB

.tls
Size: - Virtual size: 8B

.rdata
Size: 512B - Virtual size: 24B

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

.rsrc
Size: 84KB - Virtual size: 83KB

.text
Size: 53KB - Virtual size: 52KB

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 12B

.text
Size: 698KB - Virtual size: 698KB

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

.reloc
Size: 512B - Virtual size: 12B

UPX0
Size: - Virtual size: 508KB

UPX1
Size: 228KB - Virtual size: 232KB

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