877579185a72fbaf1afa78d3c50dbab187780d545d5375ba4c29147083176697

Sharing

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General

Target

877579185a72fbaf1afa78d3c50dbab187780d545d5375ba4c29147083176697
Size

292KB
MD5

753d9f3d05e9f8543e9ebe8c8bc11134
SHA1

561bfe296e786d3d5105871083a10276c5db5e75
SHA256

877579185a72fbaf1afa78d3c50dbab187780d545d5375ba4c29147083176697
SHA512

e2f9ab8db28b7f88cab01d15f620ec436cbdedb9cdd526c0bfe91c4b2d447b45466054c1c789f9c95dc91f1ffed0d4b98cab8a173d0d72affc21b8528b36925a
SSDEEP

6144:Y8KlPfUaDeaY1+v+jn0srLd38WFvP0QU2BLTo51XhOLuUbezw9ml5tDp:YzUaDeaY+2TIWd8KVqXkLu+ezw0Bp

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/dal_keepalives.dll

Files

877579185a72fbaf1afa78d3c50dbab187780d545d5375ba4c29147083176697
.zip
CHỈ THỊ VỀ VIỆC QUY ĐỊNH QUẢN LÝ VÀ SỬ DỤNG USER.exe
.exe windows:6 windows x86 arch:x86

2e68e342522daaacebc5fde741f3d73d

Code Sign

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

13/01/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

Issuer

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

Not Before

28/07/2021, 00:00

Not After

27/07/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

09:90:d9:c8:19:0f:8a:51:58:fd:c1:d1:a2:26:b9:43
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

25/04/2022, 00:00

Not After

18/09/2022, 23:59

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,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

38:63:de:f8
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

24/12/1999, 17:50

Not After

24/07/2029, 14:15

Subject

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

22/07/2015, 19:02

Not After

22/06/2029, 19:32

Subject

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
Certificate

Issuer

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

22/07/2020, 15:33

Not After

29/12/2030, 16:29

Subject

CN=Entrust Timestamp Authority - TSA1,O=Entrust\, Inc.,L=Ottawa,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

13/01/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

Issuer

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

Not Before

28/07/2021, 00:00

Not After

27/07/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

09:90:d9:c8:19:0f:8a:51:58:fd:c1:d1:a2:26:b9:43
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA256 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

25/04/2022, 00:00

Not After

18/09/2022, 23:59

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,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

38:63:de:f8
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

24/12/1999, 17:50

Not After

24/07/2029, 14:15

Subject

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

22/07/2015, 19:02

Not After

22/06/2029, 19:32

Subject

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
Certificate

Issuer

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

22/07/2020, 15:33

Not After

29/12/2030, 16:29

Subject

CN=Entrust Timestamp Authority - TSA1,O=Entrust\, Inc.,L=Ottawa,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

7e:46:e7:62:fb:d2:f7:5c:b5:fd:25:3e:ed:73:3a:56:14:7e:76:25
Signer

Actual PE Digest

7e:46:e7:62:fb:d2:f7:5c:b5:fd:25:3e:ed:73:3a:56:14:7e:76:25

Digest Algorithm

sha1

PE Digest Matches

true

6d:df:69:2e:6a:71:2a:b4:c7:37:ec:11:4d:e6:2c:d7:4c:d4:e7:01:71:11:e4:f1:f1:6a:28:14:d7:7c:57:90
Signer

Actual PE Digest

6d:df:69:2e:6a:71:2a:b4:c7:37:ec:11:4d:e6:2c:d7:4c:d4:e7:01:71:11:e4:f1:f1:6a:28:14:d7:7c:57:90

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

C:\jwestendorp\dev\Win-DAL-1-0-2-release\build\vs2015-static\Win32\Release\bin\mDNSResponder.pdb

Imports

ws2_32

recv
getsockname
listen
inet_addr
connect
closesocket
bind
htons
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
WSAStringToAddressA
WSAAddressToStringA
WSARecvFrom
WSAIoctl
WSACleanup
setsockopt
sendto
ioctlsocket
htonl
WSAGetLastError
WSAStartup
socket
send
accept

iphlpapi

DeleteIpForwardEntry
GetBestInterface
GetIpForwardTable
GetNetworkParams
GetAdaptersInfo
GetPerAdapterInfo
GetIpAddrTable
CreateIpForwardEntry

netapi32

NetGetJoinInformation
NetApiBufferFree
NetShareEnum

powrprof

SetSuspendState

dbghelp

MiniDumpWriteDump

dal_keepalives

_DalKeepalivesGetDefaultOptions@0
_DalKeepalivesNew@32

kernel32

DeleteFileW
GetFileType
HeapAlloc
Sleep
FormatMessageA
CreateFileA
CloseHandle
GetLastError
DeviceIoControl
SetEvent
WaitForSingleObject
CreateEventW
SetWaitableTimer
WaitForMultipleObjects
CreateWaitableTimerW
GetCurrentThreadId
OpenThread
GetTickCount
GetComputerNameExA
GetComputerNameExW
GetVersionExW
GetProcAddress
CompareStringW
GlobalAlloc
GlobalFree
WideCharToMultiByte
ResetEvent
TerminateThread
MultiByteToWideChar
CreateDirectoryA
GetFullPathNameW
GetTempPathA
AddVectoredExceptionHandler
HeapSetInformation
CancelWaitableTimer
GetCurrentProcess
GetCurrentProcessId
GetLocalTime
GetModuleFileNameW
GetModuleHandleW
GetSystemPowerStatus
SetConsoleCtrlHandler
HeapFree
GetACP
GetCommandLineW
GetCommandLineA
ExitProcess
WriteFile
GetStdHandle
RaiseException
GetModuleHandleExW
LCMapStringW
LoadLibraryW
DecodePointer
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapReAlloc
GetStringTypeW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
CreateFileW
SetFilePointerEx
WriteConsoleW
HeapSize
SetEndOfFile
ReadFile
ReadConsoleW
FreeLibrary
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread

user32

LoadStringW

ole32

CoCreateInstance
CoUninitialize
CoInitializeEx

oleaut32

SysAllocString
SysFreeString
SysStringLen

advapi32

RegOpenKeyExW
UnlockServiceDatabase
StartServiceW
StartServiceCtrlDispatcherW
SetServiceStatus
RegisterServiceCtrlHandlerExW
QueryServiceStatus
OpenServiceW
LockServiceDatabase
DeleteService
CreateServiceW
ControlService
ChangeServiceConfig2W
RegNotifyChangeKeyValue
ReportEventA
RegisterEventSourceW
DeregisterEventSource
OpenSCManagerW
EnumServicesStatusW
CloseServiceHandle
LsaNtStatusToWinError
LsaRetrievePrivateData
LsaOpenPolicy
LsaClose
LsaFreeMemory
RegSetValueExW
RegQueryValueExW
RegQueryValueExA
RegQueryInfoKeyW
RegOpenKeyExA
RegEnumKeyExA
RegCreateKeyW
RegCreateKeyA
RegCloseKey

Sections

.text
Size: 322KB - Virtual size: 321KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 98KB - Virtual size: 98KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 181KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 180B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
dal_keepalives.dll
.dll windows:6 windows x86 arch:x86

7342fb664e37aa0c6a87f0c6ab31e448

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

user32

ShowWindow

shlwapi

StrStrIW
PathFindFileNameW

kernel32

TlsFree
GetModuleFileNameA
VirtualProtect
GetModuleFileNameW
SetEnvironmentVariableW
GetEnvironmentVariableW
GetModuleHandleA
Sleep
ExitProcess
GetConsoleWindow
WinExec
HeapFree
VirtualFree
VirtualAlloc
LoadLibraryA
GetNativeSystemInfo
HeapAlloc
GetProcAddress
GetProcessHeap
FreeLibrary
IsBadReadPtr
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
EncodePointer
RaiseException
InterlockedFlushSList
GetLastError
SetLastError
RtlUnwind
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
DecodePointer
LoadLibraryExW
GetModuleHandleExW
ReadFile
MultiByteToWideChar
WideCharToMultiByte
CompareStringW
LCMapStringW
SetFilePointerEx
GetConsoleMode
ReadConsoleW
GetStdHandle
GetFileType
CloseHandle
WaitForSingleObject
GetExitCodeProcess
CreateProcessA
GetFileAttributesExW
WriteFile
GetConsoleCP
GetStringTypeW
GetACP
HeapReAlloc
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetStdHandle
FlushFileBuffers
WriteConsoleW
CreateFileW
HeapSize
SetEndOfFile

Exports

Exports

_DalKeepalivesGetDefaultOptions@0
_DalKeepalivesNew@32

Sections

.text
Size: 75KB - Virtual size: 75KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 272B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2e68e342522daaacebc5fde741f3d73d

Code Sign

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31Certificate

Extended Key Usages

Key Usages

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8fCertificate

Extended Key Usages

Key Usages

09:90:d9:c8:19:0f:8a:51:58:fd:c1:d1:a2:26:b9:43Certificate

Extended Key Usages

Key Usages

38:63:de:f8Certificate

Key Usages

58:da:13:ff:00:00:00:00:51:ce:0d:f7Certificate

Extended Key Usages

Key Usages

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4Certificate

Extended Key Usages

Key Usages

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31Certificate

Extended Key Usages

Key Usages

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8fCertificate

Extended Key Usages

Key Usages

09:90:d9:c8:19:0f:8a:51:58:fd:c1:d1:a2:26:b9:43Certificate

Extended Key Usages

Key Usages

38:63:de:f8Certificate

Key Usages

58:da:13:ff:00:00:00:00:51:ce:0d:f7Certificate

Extended Key Usages

Key Usages

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4Certificate

Extended Key Usages

Key Usages

7e:46:e7:62:fb:d2:f7:5c:b5:fd:25:3e:ed:73:3a:56:14:7e:76:25Signer

6d:df:69:2e:6a:71:2a:b4:c7:37:ec:11:4d:e6:2c:d7:4c:d4:e7:01:71:11:e4:f1:f1:6a:28:14:d7:7c:57:90Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ws2_32

iphlpapi

netapi32

powrprof

dbghelp

dal_keepalives

kernel32

user32

ole32

oleaut32

advapi32

Sections

.text Size: 322KB - Virtual size: 321KB

.rdata Size: 98KB - Virtual size: 98KB

.data Size: 2KB - Virtual size: 181KB

.gfids Size: 512B - Virtual size: 180B

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

.reloc Size: 13KB - Virtual size: 13KB

7342fb664e37aa0c6a87f0c6ab31e448

Headers

DLL Characteristics

File Characteristics

Imports

user32

shlwapi

kernel32

Exports

Exports

Sections

.text Size: 75KB - Virtual size: 75KB

.rdata Size: 26KB - Virtual size: 25KB

.data Size: 12KB - Virtual size: 14KB

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31
Certificate

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

09:90:d9:c8:19:0f:8a:51:58:fd:c1:d1:a2:26:b9:43
Certificate

38:63:de:f8
Certificate

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
Certificate

0f:d1:bb:ca:79:6b:d7:f8:dd:4c:82:e1:0a:9a:96:31
Certificate

0e:4d:67:f6:43:16:c9:2a:3b:7a:17:cc:46:97:6a:8f
Certificate

09:90:d9:c8:19:0f:8a:51:58:fd:c1:d1:a2:26:b9:43
Certificate

38:63:de:f8
Certificate

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

8d:ce:15:f3:a7:94:c5:87:00:00:00:00:55:92:33:f4
Certificate

7e:46:e7:62:fb:d2:f7:5c:b5:fd:25:3e:ed:73:3a:56:14:7e:76:25
Signer

6d:df:69:2e:6a:71:2a:b4:c7:37:ec:11:4d:e6:2c:d7:4c:d4:e7:01:71:11:e4:f1:f1:6a:28:14:d7:7c:57:90
Signer

.text
Size: 322KB - Virtual size: 321KB

.rdata
Size: 98KB - Virtual size: 98KB

.data
Size: 2KB - Virtual size: 181KB

.gfids
Size: 512B - Virtual size: 180B

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

.reloc
Size: 13KB - Virtual size: 13KB

.text
Size: 75KB - Virtual size: 75KB

.rdata
Size: 26KB - Virtual size: 25KB

.data
Size: 12KB - Virtual size: 14KB

.gfids
Size: 512B - Virtual size: 272B

.reloc
Size: 4KB - Virtual size: 4KB