MediaAs[.]exe | Triage

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General

Target

MediaAs.exe
Size

65KB
MD5

66fb08a937a9754b025f7910501163f4
SHA1

feb283c5def134e91d2d3e99ed7388a546493bd1
SHA256

fef66db7e366047ea6c70e145242dca529ac6a3f534f2af7119d9ca9fb12f7b3
SHA512

6c5b5a15b45e17b07cb5a9b9609908b6c75c8d18287bd6401ce49b95080be8871dbd1243a4986cb6068c76ff248461d12d875976314517bb2aeda5c960a89eb7
SSDEEP

768:pnziXMq/IdtcxAVUdUp0xdQE6u2egF4P40zMlyQVgll7cM385hPiqgjPZ:pziXMqasAVUqpn0z6gfORGjPZ

Score

1^/10

Malware Config

Signatures

Files

MediaAs.exe
.exe windows x64

013077bdfed9e0e6a202e612657ce53f

Code Sign

33:00:00:00:90:3e:83:56:9d:f3:ba:ae:e8:00:00:00:00:00:90
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

07/10/2015, 18:14

Not After

07/01/2017, 18:14

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:B8EC-30A4-7144,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/06/2015, 17:42

Not After

04/09/2016, 17:42

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:ef:d8:87:2e:35:a3:82:8a:2f:00:00:00:00:00:ef
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

28/10/2015, 20:31

Not After

28/01/2017, 20:31

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

20:ff:0d:e5:ae:0a:8a:54:39:44:97:c5:b2:6a:af:51:fb:fd:43:e2:8e:0a:39:77:e9:dd:c1:c1:3e:49:61:08
Signer

Actual PE Digest

20:ff:0d:e5:ae:0a:8a:54:39:44:97:c5:b2:6a:af:51:fb:fd:43:e2:8e:0a:39:77:e9:dd:c1:c1:3e:49:61:08

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

24/04/2023, 13:31
Valid: false

2d:a5:1b:42:3f:dc:6b:c9:5b:95:83:62:07:03:08:c0:b9:4f:8d:35
Signer

Actual PE Digest

2d:a5:1b:42:3f:dc:6b:c9:5b:95:83:62:07:03:08:c0:b9:4f:8d:35

Digest Algorithm

sha1

PE Digest Matches

false

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

29/03/2016, 16:11
Valid: false

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

vcruntime140

__FrameUnwindFilter
memset
__current_exception_context
__current_exception
__C_specific_handler
_CxxThrowException
memcpy

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

__p__commode
__stdio_common_vfprintf
_set_fmode
__stdio_common_vfwprintf
__acrt_iob_func

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

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

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

_msize
malloc
free
_set_new_mode

kernel32

IsProcessorFeaturePresent
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
IsDebuggerPresent
GetModuleHandleW
CreateFileA
GetLastError
GetFileSize
CloseHandle
ReadFile
MultiByteToWideChar
LocalAlloc
LocalFree
Sleep
InitializeSListHead

shell32

CommandLineToArgvW

oleaut32

SafeArrayAccessData
VariantClear
SafeArrayDestroy
SafeArrayPutElement
SafeArrayCreate
SafeArrayUnaccessData
SysAllocString

mscoree

_CorExeMain
CLRCreateInstance

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.nep
Size: 512B - Virtual size: 64B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 468B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 76B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

013077bdfed9e0e6a202e612657ce53f

Code Sign

33:00:00:00:90:3e:83:56:9d:f3:ba:ae:e8:00:00:00:00:00:90Certificate

Extended Key Usages

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0aCertificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:ef:d8:87:2e:35:a3:82:8a:2f:00:00:00:00:00:efCertificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

20:ff:0d:e5:ae:0a:8a:54:39:44:97:c5:b2:6a:af:51:fb:fd:43:e2:8e:0a:39:77:e9:dd:c1:c1:3e:49:61:08Signer

Signature Validations

Verification

24/04/2023, 13:31 Valid: false

2d:a5:1b:42:3f:dc:6b:c9:5b:95:83:62:07:03:08:c0:b9:4f:8d:35Signer

Signature Validations

Verification

29/03/2016, 16:11 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

vcruntime140

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

api-ms-win-crt-runtime-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

kernel32

shell32

oleaut32

mscoree

Sections

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

.nep Size: 512B - Virtual size: 64B

.rdata Size: 34KB - Virtual size: 34KB

.data Size: 512B - Virtual size: 2KB

.pdata Size: 512B - Virtual size: 468B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 76B

33:00:00:00:90:3e:83:56:9d:f3:ba:ae:e8:00:00:00:00:00:90
Certificate

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:ef:d8:87:2e:35:a3:82:8a:2f:00:00:00:00:00:ef
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

20:ff:0d:e5:ae:0a:8a:54:39:44:97:c5:b2:6a:af:51:fb:fd:43:e2:8e:0a:39:77:e9:dd:c1:c1:3e:49:61:08
Signer

24/04/2023, 13:31
Valid: false

2d:a5:1b:42:3f:dc:6b:c9:5b:95:83:62:07:03:08:c0:b9:4f:8d:35
Signer

29/03/2016, 16:11
Valid: false

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

.nep
Size: 512B - Virtual size: 64B

.rdata
Size: 34KB - Virtual size: 34KB

.data
Size: 512B - Virtual size: 2KB

.pdata
Size: 512B - Virtual size: 468B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 76B