wvsc[.]exe | Triage

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General

Target

wvsc.exe
Size

16.5MB
MD5

04647be666f8ddc2c71add5294fa3614
SHA1

7f4dbbadbfb044dbba8dc8abe6f9add80d5b3cfb
SHA256

d9861cefed8746dd18cc79a036b9c18693bfc41d8c45b8f2b07bac74de1bc292
SHA512

ba499dbbdcc76441ec9d1a29978d1c683622295b0583edcf8bba8955adbb9c73713fd73b79d1680fc6232ba96276e4ac6d645fa1b88904d666c65ee251f29036
SSDEEP

393216:aF83nRRYgMrGwdZfKwx3kheGmpS3CK8AJi:NLYjKw/CE3lGmQBzJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
wvsc.exe

Files

wvsc.exe
.exe windows:6 windows x64 arch:x64

1f777bc6175b3a5171024db46c9c6f32

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

zlib

get_crc_table

kernel32

GetVersion
GetVersionExW

v8

?NewDefaultAllocator@Allocator@ArrayBuffer@v8@@SAPEAV123@XZ

v8_libplatform

?PumpMessageLoop@platform@v8@@YA_NPEAVPlatform@2@PEAVIsolate@2@W4MessageLoopBehavior@12@@Z

secur32

CompleteAuthToken

icuuc67

?fromUTF8@UnicodeString@icu_67@@SA?AV12@VStringPiece@2@@Z

tbb

?internal_swap@concurrent_vector_base_v3@internal@tbb@@IEAAXAEAV123@@Z

user32

GetMessageA

advapi32

InitializeSecurityDescriptor

iphlpapi

GetAdaptersAddresses

userenv

GetUserProfileDirectoryW

ws2_32

htons

libssl-3-x64

SSL_CTX_new

libcrypto-3-x64

BIO_new

bcrypt

BCryptCloseAlgorithmProvider

shell32

SHGetSpecialFolderPathA

ole32

CoInitializeSecurity

oleaut32

VariantInit

msvcp140

?putback@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z

vcruntime140

__std_terminate

vcruntime140_1

__CxxFrameHandler4

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

_get_initial_narrow_environment

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

_open_osfhandle

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

_wchdir

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

_mktime64

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

strncmp

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

realloc

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

qsort

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

_configthreadlocale

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

_wputenv_s

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

wcstombs

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

floor

Sections

.text
Size: - Virtual size: 13.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 2.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 2.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 740KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.Pwn3rzs
Size: - Virtual size: 10.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.Pwn3rzs
Size: 1024B - Virtual size: 1016B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.Pwn3rzs
Size: 16.5MB - Virtual size: 16.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1f777bc6175b3a5171024db46c9c6f32

Headers

DLL Characteristics

File Characteristics

Imports

zlib

kernel32

v8

v8_libplatform

secur32

icuuc67

tbb

user32

advapi32

iphlpapi

userenv

ws2_32

libssl-3-x64

libcrypto-3-x64

bcrypt

shell32

ole32

oleaut32

msvcp140

vcruntime140

vcruntime140_1

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

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

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

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

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

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

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

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

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

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

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

Sections

.text Size: - Virtual size: 13.2MB

.rdata Size: - Virtual size: 2.9MB

.data Size: - Virtual size: 2.8MB

.pdata Size: - Virtual size: 740KB

.Pwn3rzs Size: - Virtual size: 10.6MB

.Pwn3rzs Size: 1024B - Virtual size: 1016B

.Pwn3rzs Size: 16.5MB - Virtual size: 16.5MB

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

.text
Size: - Virtual size: 13.2MB

.rdata
Size: - Virtual size: 2.9MB

.data
Size: - Virtual size: 2.8MB

.pdata
Size: - Virtual size: 740KB

.Pwn3rzs
Size: - Virtual size: 10.6MB

.Pwn3rzs
Size: 1024B - Virtual size: 1016B

.Pwn3rzs
Size: 16.5MB - Virtual size: 16.5MB

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