JSB[.]exe | Triage

Sharing

Copy URL

Twitter E-mail

General

Target

JSB.exe
Size

638KB
MD5

604923baf17400c9e2debe3f646c163b
SHA1

f425b92e401f57774daac35769ffd7d676be1534
SHA256

3cd9d32d7b1737ca87637598dd412e29d8c11e35361bf44bb254c4992784b098
SHA512

9cda797e45c51b14420dbbb11e11d4eca3e20a73fe91ca7c87a36904662349ba2a485ac4eff75a3eef9db4753c930dc96c15e475c68c809ba143dad7a7c14504
SSDEEP

6144:upC62lkCTdRUFgR6IzCLHNOk4TbG6qxHvhYH0gqlgJIxzYJ2aaShOxsFzSMR7ORH:u4eCqtPzvKUiksF7GYHXlzU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
JSB.exe

Files

JSB.exe
.exe windows:6 windows x64 arch:x64

5f74a5c747508e2822fdb9b687deaf42

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

C:\buildslave\unity\build\artifacts\WindowsPlayer\Win64_VS2019_nondev_i_r\WindowsPlayer_Master_il2cpp_x64.pdb

Imports

unityplayer

UnityMain

kernel32

WriteConsoleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
CloseHandle
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RaiseException
GetStdHandle
WriteFile
GetModuleFileNameW
GetCurrentProcess
ExitProcess
TerminateProcess
GetModuleHandleExW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
CreateFileW

Exports

Exports

AmdPowerXpressRequestHighPerformance
NvOptimusEnablement

Sections

.text
Size: 40KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 35KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 552KB - Virtual size: 556KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5f74a5c747508e2822fdb9b687deaf42

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

unityplayer

kernel32

Exports

Exports

Sections

.text Size: 40KB - Virtual size: 44KB

.rdata Size: 35KB - Virtual size: 36KB

.data Size: 3KB - Virtual size: 8KB

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

_RDATA Size: 512B - Virtual size: 4KB

.rsrc Size: 552KB - Virtual size: 556KB

.reloc Size: 2KB - Virtual size: 4KB

.text
Size: 40KB - Virtual size: 44KB

.rdata
Size: 35KB - Virtual size: 36KB

.data
Size: 3KB - Virtual size: 8KB

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

_RDATA
Size: 512B - Virtual size: 4KB

.rsrc
Size: 552KB - Virtual size: 556KB

.reloc
Size: 2KB - Virtual size: 4KB