svrhost[.]exe | Triage

Sharing

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General

Target

svrhost.exe
Size

90.5MB
MD5

f5ccac795e79c40d64e7e5a73c741785
SHA1

d5edecbba92745026e340f0c275fbb1509226894
SHA256

1b427974d38f8f1e5ae399050bd3fc23bc7fa6561e4dfacf73dc1eb52b5ef7f5
SHA512

3e4d3566d51b21e8673553d956862dc1e9fd9171810107c833dc260c1d543a55ad4abc613ea3ae3ab9e9bdf6f2c6a1791946948e4710c8c01331f83e0d2b67a5
SSDEEP

6144:mc4qS758j2We/mvvp8oQNbmZf1fw7srC7CCo3PISSP13Y/M3TmOcr9TfLn5AS2d3:f4qS7S5pvpQmZdMZply6TsYS2dhd

Score

1^/10

Malware Config

Signatures

Files

svrhost.exe
.exe windows:4 windows x64 arch:x64

84e248f16b1760d2bc9563cc8f15f24b

Code Sign

33:00:00:02:9f:ac:1c:59:18:2f:c4:87:ae:00:00:00:00:02:9f
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

24/09/2020, 19:16

Not After

23/09/2021, 19:16

Subject

CN=Microsoft Windows Publisher,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

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

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

fc:8a:c6:e7:c6:5d:8f:46:ee:22:3c:00:0e:27:c8:2d:b1:76:69:31:0c:09:79:1b:6a:8d:f9:e2:91:d4:17:e3
Signer

Actual PE Digest

fc:8a:c6:e7:c6:5d:8f:46:ee:22:3c:00:0e:27:c8:2d:b1:76:69:31:0c:09:79:1b:6a:8d:f9:e2:91:d4:17:e3

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
GetLastError
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WideCharToMultiByte

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_cexit
_commode
_errno
_fileno
_fmode
_get_osfhandle
_initterm
_lock
_onexit
_setjmp
_setmode
_unlock
_wfopen
abort
calloc
exit
fflush
fprintf
fputc
free
fwrite
localeconv
longjmp
malloc
memchr
memcpy
memmove
memset
setvbuf
signal
strerror
strlen
strncmp
strstr
vfprintf
wcslen

user32

MessageBoxA

Sections

.text
Size: 132KB - Virtual size: 131KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 368B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 69KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 75KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 212B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 72KB - Virtual size: 71KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 1024B - Virtual size: 925B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/113
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

84e248f16b1760d2bc9563cc8f15f24b

Code Sign

33:00:00:02:9f:ac:1c:59:18:2f:c4:87:ae:00:00:00:00:02:9fCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

fc:8a:c6:e7:c6:5d:8f:46:ee:22:3c:00:0e:27:c8:2d:b1:76:69:31:0c:09:79:1b:6a:8d:f9:e2:91:d4:17:e3Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

user32

Sections

.text Size: 132KB - Virtual size: 131KB

.data Size: 512B - Virtual size: 368B

.rdata Size: 69KB - Virtual size: 69KB

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

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

.bss Size: - Virtual size: 75KB

.idata Size: 2KB - Virtual size: 2KB

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 212B

/4 Size: 2KB - Virtual size: 1KB

/19 Size: 72KB - Virtual size: 71KB

/31 Size: 13KB - Virtual size: 12KB

/45 Size: 27KB - Virtual size: 26KB

/57 Size: 8KB - Virtual size: 8KB

/70 Size: 1024B - Virtual size: 925B

/81 Size: 12KB - Virtual size: 11KB

/97 Size: 30KB - Virtual size: 30KB

/113 Size: 1KB - Virtual size: 1KB

33:00:00:02:9f:ac:1c:59:18:2f:c4:87:ae:00:00:00:00:02:9f
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

fc:8a:c6:e7:c6:5d:8f:46:ee:22:3c:00:0e:27:c8:2d:b1:76:69:31:0c:09:79:1b:6a:8d:f9:e2:91:d4:17:e3
Signer

.text
Size: 132KB - Virtual size: 131KB

.data
Size: 512B - Virtual size: 368B

.rdata
Size: 69KB - Virtual size: 69KB

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

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

.bss
Size: - Virtual size: 75KB

.idata
Size: 2KB - Virtual size: 2KB

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 212B

/4
Size: 2KB - Virtual size: 1KB

/19
Size: 72KB - Virtual size: 71KB

/31
Size: 13KB - Virtual size: 12KB

/45
Size: 27KB - Virtual size: 26KB

/57
Size: 8KB - Virtual size: 8KB

/70
Size: 1024B - Virtual size: 925B

/81
Size: 12KB - Virtual size: 11KB

/97
Size: 30KB - Virtual size: 30KB

/113
Size: 1KB - Virtual size: 1KB