AcroPDF64[.]dll

Sharing

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General

Target

AcroPDF64.dll
Size

538KB
MD5

d7a6f6f8ec450443795f50a46c2d4c51
SHA1

078c88603756ecade3787b54f210bc6aa0f583d2
SHA256

b843716c9627a2200e2e4cb58130d82562084bded3b739882de29a9d31038982
SHA512

3d82e43ebef8f5f8b16efe069c2a3ff76e05ac8ed82df933d0a2f86fecfad767627438fd74c5ef11ddabd7f619380f5da266c40ed3a2d4cc0fef78f8c0c04275
SSDEEP

3072:gTEKbiGj9+NvAdHLWDAWNGF/AsoCQNEnw09Qn/A3vrza+z1o6avvM6rFsxu:gQKzKvIHLAASJCtwFE1zy73

Score

1^/10

Malware Config

Signatures

Files

AcroPDF64.dll
.dll regsvr32 windows:6 windows x64 arch:x64

6fbf6750fd02d0b50f11323b44dc97ff

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

04:52:96:f8:fc:d8:29:a7:5d:c9:42:94:f5:a4:15:a4
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

29/04/2022, 00:00

Not After

01/05/2024, 23:59

Subject

SERIALNUMBER=2748129,CN=Adobe Inc.,OU=Acrobat DC,O=Adobe Inc.,L=San Jose,ST=ca,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

2f:db:af:de:99:4d:b5:98:21:78:12:77:0c:1b:6e:fd:35:8b:2b:6c:14:ee:59:2b:7d:ba:0d:35:70:cc:68:a2
Signer

Actual PE Digest

2f:db:af:de:99:4d:b5:98:21:78:12:77:0c:1b:6e:fd:35:8b:2b:6c:14:ee:59:2b:7d:ba:0d:35:70:cc:68:a2

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

D:\T\BuildResults\bin64\Release\AcroPDF64.pdb

Imports

kernel32

LoadLibraryExA
LoadResource
SizeofResource
lstrcmpiA
FindResourceA
MultiByteToWideChar
WideCharToMultiByte
IsDBCSLeadByte
GetThreadLocale
SetThreadLocale
SetLastError
GetCurrentThreadId
LockResource
FindResourceW
MulDiv
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
GetUserDefaultLangID
GetModuleHandleW
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
SetStdHandle
SetFilePointerEx
GetStringTypeW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetModuleHandleA
GetModuleFileNameA
FreeLibrary
DeleteCriticalSection
InitializeCriticalSectionEx
LeaveCriticalSection
EnterCriticalSection
RaiseException
DecodePointer
EncodePointer
GetModuleHandleExW
GetProcAddress
lstrlenW
GetTickCount
Sleep
OpenMutexW
SetNamedPipeHandleState
GetLastError
CloseHandle
WriteFile
ReadFile
GetVolumeInformationW
WriteConsoleW
CreateFileW
LCMapStringW
GetFileType
GetStdHandle
GetModuleFileNameW
ExitProcess
VirtualQuery
VirtualProtect
GetSystemInfo
LoadLibraryExW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InterlockedFlushSList
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
InitializeCriticalSectionAndSpinCount
CreateEventW
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
InitializeSListHead
OutputDebugStringW
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
VirtualAlloc
VirtualFree
RtlPcToFileHeader
RtlUnwindEx

user32

CharNextA
CharNextW
DefWindowProcA
CallWindowProcA
UnregisterClassA
RegisterClassExA
LoadCursorA
SetWindowLongPtrA
GetWindowLongPtrA
MessageBoxA
GetClientRect
EndPaint
BeginPaint
ReleaseDC
GetDC
GetFocus
DestroyWindow
IsChild
CreateWindowExA
GetClassInfoExA

gdi32

SetWindowOrgEx
SetViewportOrgEx
LPtoDP
TextOutA
SetTextAlign
SetMapMode
SaveDC
RestoreDC
GetDeviceCaps
DeleteDC
CreateDCA

advapi32

RegOpenKeyExW
RegSetValueExA
RegQueryInfoKeyW
RegQueryInfoKeyA
RegEnumKeyExA
RegDeleteValueA
RegDeleteKeyA
RegCreateKeyExA
RegQueryValueExA
RegOpenKeyExA
RegCloseKey

ole32

CoTaskMemAlloc
CoTaskMemRealloc
CoTaskMemFree
CoFreeUnusedLibrariesEx
CoCreateInstance
StringFromGUID2

oleaut32

SysAllocString
SysFreeString
SysStringLen
VarUI4FromStr
VariantClear
VariantInit
SysAllocStringLen
UnRegisterTypeLi
RegisterTypeLi
LoadTypeLi

shlwapi

PathAppendA
PathRemoveFileSpecA
PathAddExtensionA

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllInstall
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 129KB - Virtual size: 128KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 315KB - Virtual size: 314KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6fbf6750fd02d0b50f11323b44dc97ff

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

04:52:96:f8:fc:d8:29:a7:5d:c9:42:94:f5:a4:15:a4Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

2f:db:af:de:99:4d:b5:98:21:78:12:77:0c:1b:6e:fd:35:8b:2b:6c:14:ee:59:2b:7d:ba:0d:35:70:cc:68:a2Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

ole32

oleaut32

shlwapi

Exports

Exports

Sections

.text Size: 129KB - Virtual size: 128KB

.rdata Size: 64KB - Virtual size: 64KB

.data Size: 7KB - Virtual size: 12KB

.pdata Size: 8KB - Virtual size: 7KB

_RDATA Size: 512B - Virtual size: 252B

.rsrc Size: 315KB - Virtual size: 314KB

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

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

04:52:96:f8:fc:d8:29:a7:5d:c9:42:94:f5:a4:15:a4
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

2f:db:af:de:99:4d:b5:98:21:78:12:77:0c:1b:6e:fd:35:8b:2b:6c:14:ee:59:2b:7d:ba:0d:35:70:cc:68:a2
Signer

.text
Size: 129KB - Virtual size: 128KB

.rdata
Size: 64KB - Virtual size: 64KB

.data
Size: 7KB - Virtual size: 12KB

.pdata
Size: 8KB - Virtual size: 7KB

_RDATA
Size: 512B - Virtual size: 252B

.rsrc
Size: 315KB - Virtual size: 314KB

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