version[.]dll | Triage

Resubmissions

06-03-2024 10:11

240306-l72lkshh57 1

06-03-2024 10:08

06-03-2024 10:04

06-03-2024 09:59

06-03-2024 09:57

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General

Target

version.dll
Size

570KB
MD5

4a231b7fe78a606307a038ca3140a19b
SHA1

5cf5a440c67a3c7e265bad6f01f486c1a02813de
SHA256

7e0d0f77fe1dcb1e7a0a0a2fc0c25a68eee551c7045935449ae64dcbd1310958
SHA512

d7d71b9268d2cc3051c16766d5e5a8c835e4c4c27fec7056f7331e8664caf4bd32348e027e4aed68c578f7d2cd843427b21d155f042438528b69fba9fda749ff
SSDEEP

12288:0qgXafAGMEnhyYl0ZY0UlaZ4w2H4YkKldf/nGHaBCVUyWvmW:0VEnMxGC4wY4YkKLGHaBSUyWvmW

Score

1^/10

Malware Config

Signatures

Files

version.dll
.dll windows:6 windows x86 arch:x86

b106b1424c66333796368cf493d010bd

Code Sign

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15
Certificate

Issuer

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

Not Before

03-02-2023 00:05

Not After

01-02-2024 00:05

Subject

CN=Microsoft Windows,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

14:f2:95:fd:f7:60:e2:2b:d3:f9:18:19:2f:f0:e8:94:3a:fd:31:42:74:37:45:80:22:0f:df:5a:bc:67:a4:1f
Signer

Actual PE Digest

14:f2:95:fd:f7:60:e2:2b:d3:f9:18:19:2f:f0:e8:94:3a:fd:31:42:74:37:45:80:22:0f:df:5a:bc:67:a4:1f

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

ws2_32

accept
select
__WSAFDIsSet
socket
htons
WSAIoctl
setsockopt
WSACleanup
WSAStartup
WSASetLastError
ntohs
getsockname
bind
WSACloseEvent
WSACreateEvent
htonl
listen
recv
getaddrinfo
freeaddrinfo
recvfrom
sendto
getpeername
ioctlsocket
gethostname
send
connect
WSAEnumNetworkEvents
WSAEventSelect
WSAResetEvent
WSAWaitForMultipleEvents
closesocket
WSAGetLastError
getsockopt

wldap32

ord217
ord143
ord211
ord60
ord45
ord50
ord41
ord22
ord26
ord27
ord32
ord79
ord30
ord200
ord33
ord46
ord301
ord35

crypt32

PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore

normaliz

IdnToAscii

kernel32

WaitForMultipleObjects
PeekNamedPipe
ReadFile
GetCurrentProcessId
GetStdHandle
GetEnvironmentVariableA
WaitForSingleObjectEx
CloseHandle
MoveFileExA
FormatMessageW
SetLastError
GetLastError
WideCharToMultiByte
MultiByteToWideChar
Sleep
FreeLibrary
GetSystemDirectoryA
QueryPerformanceFrequency
DeleteCriticalSection
InitializeCriticalSectionEx
LeaveCriticalSection
EnterCriticalSection
SleepEx
VerSetConditionMask
VerifyVersionInfoW
CreateFileA
GetFileSizeEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetFileType
GetTickCount
QueryPerformanceCounter
GetFullPathNameA
GetVolumeInformationA
GetModuleHandleA
CopyFileA
GetFileAttributesA
GetBinaryTypeA
LoadLibraryA
GetNativeSystemInfo
FreeConsole
CreateThread
GetProcAddress
ReleaseSRWLockExclusive
AcquireSRWLockExclusive

advapi32

RegEnumKeyExA
RegOpenKeyExA
RegSetValueExA
RegCreateKeyExA
RegQueryValueExA
RegCloseKey
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptEncrypt
CryptImportKey
CryptDestroyKey

shell32

ShellExecuteA

bcrypt

BCryptGenRandom

vcruntime140

_except_handler4_common
strchr
memset
memcpy
strrchr
memmove
memchr
__std_type_info_destroy_list
strstr

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

_lseeki64
fgets
_open
fputc
fflush
feof
fclose
__stdio_common_vsscanf
fputs
fopen
ftell
fread
__acrt_iob_func
fseek
_read
_write
fwrite
_close
__stdio_common_vsprintf_s
__stdio_common_vsprintf

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

_time64
strftime
clock
_gmtime64

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

_initialize_onexit_table
perror
_initialize_narrow_environment
__sys_errlist
_errno
_initterm_e
_configure_narrow_argv
_beginthreadex
_seh_filter_dll
_cexit
__sys_nerr
_initterm
_execute_onexit_table

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

_mkdir
_fstat64
_stat64
_access
remove
_unlink

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

strncpy
_strdup
_stricmp
strcspn
strncmp
strspn
strpbrk

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

realloc
calloc
malloc
free

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

getenv

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

qsort

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

strtoll
wcstombs
atoi
strtoul
strtol

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

_fdopen

Exports

Exports

GetDateFromSystem
GetFileVersionInfoA
GetFileVersionInfoByHandle
GetFileVersionInfoExA
GetFileVersionInfoExW
GetFileVersionInfoSizeA
GetFileVersionInfoSizeExA
GetFileVersionInfoSizeExW
GetFileVersionInfoSizeW
GetFileVersionInfoW
VerFindFileA
VerFindFileW
VerInstallFileA
VerInstallFileW
VerLanguageNameA
VerLanguageNameW
VerQueryValueA
VerQueryValueW
_VerQueryDateA@0
_VerQueryTimeW@0

Sections

.text
Size: 344KB - Virtual size: 343KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 197KB - Virtual size: 196KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 392KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

b106b1424c66333796368cf493d010bd

Code Sign

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15Certificate

Extended Key Usages

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

Key Usages

14:f2:95:fd:f7:60:e2:2b:d3:f9:18:19:2f:f0:e8:94:3a:fd:31:42:74:37:45:80:22:0f:df:5a:bc:67:a4:1fSigner

Headers

DLL Characteristics

File Characteristics

Imports

ws2_32

wldap32

crypt32

normaliz

kernel32

advapi32

shell32

bcrypt

vcruntime140

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 344KB - Virtual size: 343KB

.rdata Size: 197KB - Virtual size: 196KB

.data Size: 1024B - Virtual size: 392KB

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

.reloc Size: 16KB - Virtual size: 16KB

33:00:00:04:15:82:95:a1:a3:d8:2e:28:57:00:00:00:00:04:15
Certificate

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

14:f2:95:fd:f7:60:e2:2b:d3:f9:18:19:2f:f0:e8:94:3a:fd:31:42:74:37:45:80:22:0f:df:5a:bc:67:a4:1f
Signer

.text
Size: 344KB - Virtual size: 343KB

.rdata
Size: 197KB - Virtual size: 196KB

.data
Size: 1024B - Virtual size: 392KB

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

.reloc
Size: 16KB - Virtual size: 16KB