Behavioral task
behavioral1
Sample
Sylent v1.8/Move the sylent folder here.lnk
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Sylent v1.8/Move the sylent folder here.lnk
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Sylent v1.8/Sylent v1.8.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
Sylent v1.8/Sylent v1.8.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
Sylent v1.8/Xenos64.exe
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
Sylent v1.8/Xenos64.exe
Resource
win10v2004-20240802-en
General
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Target
dc1e2336a99ec2971f0259521d1bc5c0_JaffaCakes118
-
Size
7.4MB
-
MD5
dc1e2336a99ec2971f0259521d1bc5c0
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SHA1
93035d331670256eafd0d35a69bdf07e677f16a3
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SHA256
b22d4bba9b3fcf999478f6e1e86ba4431bb6192ecf1a1b7c800ab6aafaf37c68
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SHA512
e76039fc4c28ee400a7205455af88850edb185106cf4fc360add9c893195ff175736e60e329f22d1f75030819d7f089fe9ed56e4cf28cbd45f8d6ed71ef778f3
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SSDEEP
196608:ymGfvjmcp7w1MefM5Z4ekwS8wljGkZ8qvaYjzD:23jrefEKQ5wlijRSD
Malware Config
Signatures
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resource yara_rule static1/unpack001/Sylent v1.8/Sylent v1.8.dll vmprotect -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Sylent v1.8/Sylent v1.8.dll
Files
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dc1e2336a99ec2971f0259521d1bc5c0_JaffaCakes118.zip
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Sylent v1.8/How to Use and Infos Sylent v1.8.txt
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Sylent v1.8/Move the sylent folder here.lnk.lnk
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Sylent v1.8/Sylent v1.8.dll.dll windows:6 windows x64 arch:x64
9a9c52744619a0f6add8074cac81ecc1
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
kernel32
HeapAlloc
FlsSetValue
LocalAlloc
LocalFree
GetModuleFileNameW
GetProcessAffinityMask
SetProcessAffinityMask
SetThreadAffinityMask
Sleep
ExitProcess
FreeLibrary
LoadLibraryA
GetModuleHandleA
GetProcAddress
user32
GetAsyncKeyState
GetProcessWindowStation
GetProcessWindowStation
GetUserObjectInformationW
advapi32
RegCreateKeyExW
winmm
timeGetTime
msvcp140
?_Throw_C_error@std@@YAXH@Z
vcruntime140
memmove
api-ms-win-crt-heap-l1-1-0
free
api-ms-win-crt-runtime-l1-1-0
_cexit
api-ms-win-crt-stdio-l1-1-0
fclose
api-ms-win-crt-math-l1-1-0
round
api-ms-win-crt-time-l1-1-0
_localtime64_s
api-ms-win-crt-string-l1-1-0
_strdup
api-ms-win-crt-convert-l1-1-0
strtol
api-ms-win-crt-filesystem-l1-1-0
_stat64i32
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-utility-l1-1-0
rand
wtsapi32
WTSSendMessageW
Sections
.text Size: - Virtual size: 588KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 185KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 337KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: - Virtual size: 60B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp0 Size: - Virtual size: 3.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.vmp1 Size: 5.6MB - Virtual size: 5.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 188B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 469B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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Sylent v1.8/Xenos64.exe.exe windows:6 windows x64 arch:x64
26a421c2973048371c969847a6bba8ad
Code Sign
16:e9:b8:bb:70:0e:18:57:b2:b0:80:9d:3c:f1:51:35Certificate
IssuerCN=BlackBoneSPCNot Before12/09/2014, 10:21Not After31/12/2039, 23:59SubjectCN=BlackBoneSPCe1:9b:2d:fc:28:21:1f:1d:18:0a:35:02:0b:c5:16:01:9a:82:8c:bdSigner
Actual PE Digeste1:9b:2d:fc:28:21:1f:1d:18:0a:35:02:0b:c5:16:01:9a:82:8c:bdDigest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
C:\Users\Ton\Documents\Visual Studio 2015\Projects\Xenos\build\x64\Release\Xenos64.pdb
Imports
shlwapi
SHDeleteKeyW
SHSetValueW
dbghelp
MiniDumpWriteDump
kernel32
CloseHandle
RaiseException
LoadResource
FindResourceW
DecodePointer
GetWindowsDirectoryW
GetProcAddress
DeleteCriticalSection
CreateProcessW
GetModuleHandleW
GetCurrentProcess
GetModuleFileNameW
WaitForSingleObject
GetCurrentThreadId
Sleep
CreateThread
GetLocalTime
ExitProcess
GetCurrentProcessId
SetUnhandledExceptionFilter
FlushFileBuffers
DeleteFileW
ResumeThread
GetCommandLineW
GetNativeSystemInfo
LockResource
GetLastError
Wow64RevertWow64FsRedirection
CreateFileW
InitializeCriticalSectionEx
Wow64DisableWow64FsRedirection
WriteFile
VirtualProtect
SetEndOfFile
ReadConsoleW
WriteConsoleW
HeapSize
SetStdHandle
FindNextFileW
FindFirstFileExW
FindClose
GetCommandLineA
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
GetProcessHeap
GetTimeZoneInformation
SetFilePointerEx
SizeofResource
GetFileAttributesW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
MultiByteToWideChar
FormatMessageW
LocalFree
WideCharToMultiByte
EnterCriticalSection
DeviceIoControl
LeaveCriticalSection
GetSystemTimeAsFileTime
QueryPerformanceCounter
VirtualFree
VirtualAlloc
TerminateProcess
CreateToolhelp32Snapshot
Process32NextW
GetCurrentThread
Process32FirstW
GetExitCodeProcess
Thread32Next
Thread32First
InitializeCriticalSection
CreateActCtxW
GetTempPathW
UnmapViewOfFile
GetTempFileNameW
CreateFileMappingW
ReleaseActCtx
MapViewOfFile
ResetEvent
QueueUserAPC
GetTickCount
LoadLibraryW
FreeLibrary
ActivateActCtx
GetEnvironmentVariableW
GetSystemDirectoryW
DeactivateActCtx
Module32FirstW
GetCurrentDirectoryW
ReadFile
CreateNamedPipeW
TerminateThread
SuspendThread
GetExitCodeThread
GetThreadTimes
OpenThread
OpenProcess
IsWow64Process
WriteProcessMemory
VirtualProtectEx
GetThreadContext
VirtualAllocEx
ReadProcessMemory
CreateRemoteThread
VirtualFreeEx
SetThreadContext
VirtualQueryEx
GetSystemInfo
GetStringTypeW
TryEnterCriticalSection
DuplicateHandle
WaitForSingleObjectEx
EncodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
SetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
InitializeSListHead
OutputDebugStringW
CreateTimerQueue
SignalObjectAndWait
SwitchToThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
FreeLibraryAndExitThread
GetModuleHandleA
LoadLibraryExW
GetVersionExW
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
RtlPcToFileHeader
RtlUnwindEx
HeapAlloc
HeapFree
ExitThread
GetModuleHandleExW
HeapReAlloc
GetStdHandle
GetACP
GetFileType
GetConsoleCP
GetConsoleMode
GetDateFormatW
GetTimeFormatW
user32
DestroyIcon
LoadIconW
ChangeWindowMessageFilterEx
EnableMenuItem
wsprintfW
GetMessageW
CreateDialogParamW
CallWindowProcW
DestroyWindow
MessageBoxW
SetWindowLongPtrW
SendMessageW
EndDialog
SetWindowTextW
CreateWindowExW
ShowWindow
IsWindow
DispatchMessageW
IsDialogMessageW
TranslateAcceleratorW
TranslateMessage
SendMessageA
GetDlgItem
DialogBoxParamW
EnableWindow
GetWindowTextW
GetMenu
LoadAcceleratorsW
comdlg32
GetSaveFileNameW
GetOpenFileNameW
shell32
DragQueryFileW
CommandLineToArgvW
advapi32
RegCreateKeyW
SystemFunction036
RegEnumValueW
ConvertStringSecurityDescriptorToSecurityDescriptorW
AdjustTokenPrivileges
RegOpenKeyW
LookupPrivilegeValueW
RegSetValueExW
RegCloseKey
OpenThreadToken
OpenProcessToken
ole32
CoCreateInstance
CoUninitialize
CoInitialize
Sections
.text Size: 683KB - Virtual size: 683KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 230KB - Virtual size: 230KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 14KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 316KB - Virtual size: 316KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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Sylent v1.8/sylent/offv4.ytd
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Sylent v1.8/sylent/onv4.ytd
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Sylent v1.8/sylent/sylent.ytd