jruby[.]exe | Triage

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General

Target

jruby.exe
Size

937KB
MD5

cbc0c0d001761853cd4a609f3ad2c49c
SHA1

2ef43c2c58d0e34681edff2f6aa3761638cbde1c
SHA256

7f88e44beda6fbbf3f3d8dcebba0f3f0c5cc4c154f631c8003133bb994743c32
SHA512

64cd4fea722d11a544264573e906c6c6fcdfdb7947ce030af07c6344643f282670dc47019fa96d6ab316438a2405ab326fdfbabd3c315b5c6d80db107920afec
SSDEEP

12288:LUGoKJZ1K/PtKDCpa7rhjeLzzA0fjzLqaaD7LDEEhmaSXnqyY:oGoKJZ03nkj47rB8sEsnqyY

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
jruby.exe

Files

jruby.exe
.exe windows:4 windows x86 arch:x86

7013336eed1bdd51811b424987e8ce8a

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

OpenProcessToken
RegCloseKey
RegOpenKeyExA
RegQueryValueExA
SetTokenInformation

kernel32

CloseHandle
CreateSemaphoreW
DeleteCriticalSection
DeleteFileA
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileA
FindNextFileA
FormatMessageA
FreeLibrary
GetCommandLineA
GetCurrentThreadId
GetLastError
GetModuleFileNameA
GetModuleHandleA
GetProcAddress
GetVersionExA
InitializeCriticalSection
InterlockedDecrement
InterlockedExchange
InterlockedIncrement
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LocalFree
MultiByteToWideChar
ReleaseSemaphore
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

_fdopen
_fstat
_lseek
_read
_strdup
_stricoll
_write
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_filbuf
_flsbuf
_fpreset
_fullpath
_iob
_isctype
_onexit
_pctype
_setmode
_snprintf
abort
atexit
atoi
calloc
fclose
fflush
fopen
fprintf
fputc
fputs
fread
free
fseek
ftell
fwrite
getenv
getwc
iswctype
localeconv
malloc
mbstowcs
memchr
memcmp
memcpy
memmove
memset
putwc
realloc
setlocale
setvbuf
signal
sprintf
strchr
strcmp
strcoll
strerror
strftime
strlen
strncat
strtod
strtoul
strxfrm
tolower
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcstombs
wcsxfrm

user32

MessageBoxA

Sections

.text
Size: 645KB - Virtual size: 644KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 227KB - Virtual size: 226KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 2KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

7013336eed1bdd51811b424987e8ce8a

Headers

File Characteristics

Imports

advapi32

kernel32

msvcrt

user32

Sections

.text Size: 645KB - Virtual size: 644KB

.data Size: 7KB - Virtual size: 6KB

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

.eh_fram Size: 227KB - Virtual size: 226KB

.bss Size: - Virtual size: 2KB

.idata Size: 3KB - Virtual size: 3KB

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

.tls Size: 512B - Virtual size: 32B

.rsrc Size: 10KB - Virtual size: 10KB

.text
Size: 645KB - Virtual size: 644KB

.data
Size: 7KB - Virtual size: 6KB

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

.eh_fram
Size: 227KB - Virtual size: 226KB

.bss
Size: - Virtual size: 2KB

.idata
Size: 3KB - Virtual size: 3KB

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

.tls
Size: 512B - Virtual size: 32B

.rsrc
Size: 10KB - Virtual size: 10KB