a[.]rar | Triage

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General

Target

a.rar
Size

539KB
MD5

3d9765b10d32e6c5857159f053365fe0
SHA1

70c1c117e846f6eda7338a45ebad2d2679f58356
SHA256

3773795ecac127808de287b668a8289b179b1ad845059e980b25375d47f7ff95
SHA512

9200e29b4baf7d9a87e968aa8fb9102b9a1c2b2bde40864ef1bda8054f0c91724feb21f02a4332abefe31d6ce2cf7e11f962af8b79d8af7d87999c8563e67720
SSDEEP

12288:k4wb6RgQkNeLU46aH09IxO+iJ3BaDZGNb414aOGW/j/jNFSIRVSHsR6i:k4FgpNeLrUWOHUDYK8nfqsF

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/medusa.ac.dll
unpack001/medusa.ac_injector.exe

Files

a.rar
.rar
medusa.ac.dll
.dll windows:6 windows x64 arch:x64

7d39573158d6e4a5df88d8c121ef3874

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

jvm

JNI_GetCreatedJavaVMs

opengl32

glBindTexture
glBlendFunc
glColorPointer
glDeleteTextures
glDisable
glDisableClientState
glDrawElements
glEnable
glEnableClientState
glFrontFace
glGenTextures
glGetFloatv
glGetIntegerv
glGetTexEnviv
glIsEnabled
glLoadIdentity
glLoadMatrixf
glMatrixMode
glOrtho
glPixelStorei
glPolygonMode
glPopAttrib
glPopMatrix
glPushAttrib
glPushMatrix
glScissor
glShadeModel
glTexCoordPointer
glTexEnvi
glTexImage2D
glTexParameteri
glVertexPointer
glViewport

kernel32

AcquireSRWLockExclusive
AllocConsole
AreFileApisANSI
CloseHandle
CreateFileW
CreateThread
CreateToolhelp32Snapshot
ExitProcess
FindClose
FindFirstFileW
FlushInstructionCache
FormatMessageA
FreeConsole
FreeLibrary
FreeLibraryAndExitThread
GetConsoleWindow
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetFileAttributesExW
GetFileInformationByHandleEx
GetLastError
GetLocaleInfoA
GetLocaleInfoEx
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetProcessHeap
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
HeapAlloc
HeapCreate
HeapDestroy
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
LoadLibraryA
LocalFree
MultiByteToWideChar
OpenThread
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReleaseSRWLockExclusive
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetThreadContext
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SuspendThread
TerminateProcess
TerminateThread
Thread32First
Thread32Next
UnhandledExceptionFilter
VerSetConditionMask
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WakeAllConditionVariable
WideCharToMultiByte

user32

CallNextHookEx
CallWindowProcA
ClientToScreen
CloseClipboard
DispatchMessageA
EmptyClipboard
EnumWindows
FindWindowA
GetAsyncKeyState
GetCapture
GetClassNameA
GetClientRect
GetClipboardData
GetCursorPos
GetDC
GetForegroundWindow
GetKeyNameTextA
GetKeyState
GetKeyboardLayout
GetMessageA
GetMessageExtraInfo
GetWindowTextA
GetWindowThreadProcessId
IsWindowUnicode
LoadCursorA
MapVirtualKeyA
MessageBoxA
MonitorFromWindow
OpenClipboard
ReleaseCapture
ReleaseDC
ScreenToClient
SetCapture
SetClipboardData
SetCursor
SetCursorPos
SetProcessDPIAware
SetWindowLongPtrA
SetWindowsHookExA
TrackMouseEvent
TranslateMessage
UnhookWindowsHookEx
mouse_event

gdi32

CreateRectRgn
DeleteObject
GetDeviceCaps

shell32

ShellExecuteA

msvcp140

??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0_Locinfo@std@@QEAA@PEBD@Z
??0_Lockit@std@@QEAA@H@Z
??0facet@locale@std@@IEAA@_K@Z
??0ios_base@std@@IEAA@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1_Locinfo@std@@QEAA@XZ
??1_Lockit@std@@QEAA@XZ
??1facet@locale@std@@MEAA@XZ
??1ios_base@std@@UEAA@XZ
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Getcvt@_Locinfo@std@@QEBA?AU_Cvtvec@@XZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_Id_cnt@id@locale@std@@0HA
?_Incref@facet@locale@std@@UEAAXXZ
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Syserror_map@std@@YAPEBDH@Z
?_Winerror_map@std@@YAHH@Z
?_Xbad_alloc@std@@YAXXZ
?_Xbad_function_call@std@@YAXXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?id@?$numpunct@D@std@@2V0locale@2@A
?init@?$basic_ios@DU?$char_traits@D@std@@@std@@IEAAXPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@_N@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z

dwmapi

DwmEnableBlurBehindWindow
DwmGetColorizationColor
DwmIsCompositionEnabled

imm32

ImmGetContext
ImmReleaseContext
ImmSetCandidateWindow
ImmSetCompositionWindow

vcruntime140

_CxxThrowException
__C_specific_handler
__C_specific_handler_noexcept
__CxxFrameHandler3
__std_exception_copy
__std_exception_destroy
__std_terminate
__std_type_info_destroy_list
__vcrt_GetModuleFileNameW
__vcrt_LoadLibraryExW
memchr
memcmp
memcpy
memmove
memset
strchr
strstr

api-ms-win-crt-locale-l1-1-0

___lc_codepage_func
localeconv

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func
__stdio_common_vfprintf
__stdio_common_vsprintf
__stdio_common_vsscanf
_fseeki64
_get_stream_buffer_pointers
_wfopen
fclose
fflush
fgetc
fgetpos
fputc
fread
freopen
fseek
fsetpos
ftell
fwrite
setvbuf
ungetc

api-ms-win-crt-math-l1-1-0

_dsign
_dtest
_fdsign
_fdtest
_ldsign
_ldtest
acosf
atan2f
ceilf
cosf
floorf
fmodf
log
logf
pow
powf
sinf
sqrtf

api-ms-win-crt-runtime-l1-1-0

_cexit
_configure_narrow_argv
_crt_atexit
_errno
_execute_onexit_table
_initialize_narrow_environment
_initialize_onexit_table
_initterm
_initterm_e
_invalid_parameter_noinfo_noreturn
_register_onexit_function
_seh_filter_dll
_wassert
abort
exit

api-ms-win-crt-filesystem-l1-1-0

_lock_file
_unlock_file

api-ms-win-crt-time-l1-1-0

_time64

api-ms-win-crt-convert-l1-1-0

atof
strtod
strtoll
strtoull

api-ms-win-crt-heap-l1-1-0

_callnewh
calloc
free
malloc

api-ms-win-crt-environment-l1-1-0

getenv

api-ms-win-crt-utility-l1-1-0

qsort
rand
srand

api-ms-win-crt-string-l1-1-0

strcat_s
strcmp
strcpy
strcpy_s
strlen
strncmp
strncpy
toupper

Sections

.text
Size: 975KB - Virtual size: 974KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 403KB - Virtual size: 402KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 23KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 27KB - Virtual size: 26KB

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: 512B - Virtual size: 424B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
medusa.ac_injector.exe
.exe windows:6 windows x64 arch:x64

47e2958a7088787d6c2a473424cb4e2f

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

Imports

kernel32

CloseHandle
CreateRemoteThread
GetCurrentDirectoryA
GetCurrentProcessId
GetCurrentThreadId
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
OpenProcess
QueryPerformanceCounter
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetUnhandledExceptionFilter
Sleep
UnhandledExceptionFilter
VirtualAllocEx
VirtualFreeEx
WriteProcessMemory

user32

FindWindowA
GetWindowThreadProcessId

vcruntime140

__C_specific_handler
__current_exception
__current_exception_context
memcpy
memset

api-ms-win-crt-runtime-l1-1-0

__p___argc
__p___argv
_c_exit
_cexit
_configure_narrow_argv
_crt_atexit
_exit
_get_initial_narrow_environment
_initialize_narrow_environment
_initialize_onexit_table
_initterm
_initterm_e
_register_onexit_function
_register_thread_local_exe_atexit_callback
_seh_filter_exe
_set_app_type
exit
perror
system
terminate

api-ms-win-crt-string-l1-1-0

strcat_s
strlen

api-ms-win-crt-stdio-l1-1-0

__p__commode
_set_fmode
puts

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-heap-l1-1-0

_set_new_mode

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 308B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 312B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 424B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 44B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
readme.txt

Sharing

General

Malware Config

Signatures

Files

7d39573158d6e4a5df88d8c121ef3874

Headers

DLL Characteristics

File Characteristics

Imports

jvm

opengl32

kernel32

user32

gdi32

shell32

msvcp140

dwmapi

imm32

vcruntime140

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-string-l1-1-0

Sections

.text Size: 975KB - Virtual size: 974KB

.rdata Size: 403KB - Virtual size: 402KB

.data Size: 23KB - Virtual size: 51KB

.pdata Size: 27KB - Virtual size: 26KB

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 512B - Virtual size: 424B

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

47e2958a7088787d6c2a473424cb4e2f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

Sections

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

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

.data Size: 512B - Virtual size: 308B

.pdata Size: 512B - Virtual size: 312B

.rsrc Size: 512B - Virtual size: 424B

.reloc Size: 512B - Virtual size: 44B

.text
Size: 975KB - Virtual size: 974KB

.rdata
Size: 403KB - Virtual size: 402KB

.data
Size: 23KB - Virtual size: 51KB

.pdata
Size: 27KB - Virtual size: 26KB

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 512B - Virtual size: 424B

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

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

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

.data
Size: 512B - Virtual size: 308B

.pdata
Size: 512B - Virtual size: 312B

.rsrc
Size: 512B - Virtual size: 424B

.reloc
Size: 512B - Virtual size: 44B