mb[.]exe | Triage

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General

Target

mb.exe
Size

313.8MB
MD5

6960f52c7e75fc3c331cbe6cf6581d81
SHA1

dd08298184cb9517ab49215ddcd1a2736fa54652
SHA256

500b54b459c097d6205afede6712db35cc0073aa562cdd76aabb05e87d5abd15
SHA512

b0b6003e7afa7a9a29eee0d1db470b5e677cc46a03f22430423cca08628958a240415be15ac7aba0be38f901ec051bc6e88528199359b16ee073cfcebaeb5838
SSDEEP

6291456:Mkadh+NB4eAdzAjDano7pKwTJhVbh+NB4eAd/QjGCOrMXODb3X3B:radh+NB4e2zAHao91JhVbh+NB4e2/QjA

Score

1^/10

Malware Config

Signatures

Files

mb.exe
.exe windows x86

d57df9a537639961a0bc1aedd32e089e

Code Sign

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

12/03/2019, 00:00

Not After

31/12/2028, 23:59

Subject

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a6:57:f7:78:b3:1a:e5:23:d6:67:13:17:18:d1:6e:b2
Certificate

Issuer

CN=Sectigo RSA Code Signing CA 2,O=Sectigo Limited,C=GB

Not Before

23/03/2022, 00:00

Not After

16/03/2025, 23:59

Subject

CN=Malwarebytes Inc.,O=Malwarebytes Inc.,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

9e:02:b0:e9:4a:ce:b2:10:9c:a1:e9:83:6b:e0:c2:db
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

25/05/2021, 00:00

Not After

24/05/2036, 23:59

Subject

CN=Sectigo RSA Code Signing CA 2,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

16/04/2020, 18:36

Not After

16/04/2045, 18:44

Subject

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:6a:93:58:f8:84:75:2f:b2:30:ec:00:00:00:00:6a:93
Certificate

Issuer

CN=Microsoft ID Verified CS AOC CA 01,O=Microsoft Corporation,C=US

Not Before

23/02/2023, 22:49

Not After

26/02/2023, 22:49

Subject

CN=Malwarebytes Inc,O=Malwarebytes Inc,L=Santa Clara,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

33:00:00:6a:93:58:f8:84:75:2f:b2:30:ec:00:00:00:00:6a:93
Certificate

Issuer

CN=Microsoft ID Verified CS AOC CA 01,O=Microsoft Corporation,C=US

Not Before

23/02/2023, 22:49

Not After

26/02/2023, 22:49

Subject

CN=Malwarebytes Inc,O=Malwarebytes Inc,L=Santa Clara,ST=CA,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

33:00:00:00:07:37:8c:5b:a1:d9:5b:8c:d4:00:00:00:00:00:07
Certificate

Issuer

CN=Microsoft ID Verified Code Signing PCA 2021,O=Microsoft Corporation,C=US

Not Before

13/04/2021, 17:31

Not After

13/04/2026, 17:31

Subject

CN=Microsoft ID Verified CS AOC CA 01,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07
Certificate

Issuer

CN=Microsoft Identity Verification Root Certificate Authority 2020,O=Microsoft Corporation,C=US

Not Before

01/04/2021, 20:05

Not After

01/04/2036, 20:15

Subject

CN=Microsoft ID Verified Code Signing PCA 2021,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7d
Signer

Actual PE Digest

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7d

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Malwarebytes Inc,O=Malwarebytes Inc,L=Santa Clara,ST=CA,C=US

03/05/2023, 12:04
Valid: false

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7d
Signer

Actual PE Digest

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7d

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Malwarebytes Inc.,O=Malwarebytes Inc.,ST=California,C=US

03/05/2023, 12:04
Valid: true

Chain 1

CN=Malwarebytes Inc.,O=Malwarebytes Inc.,ST=California,C=US

CN=Sectigo RSA Code Signing CA 2,O=Sectigo Limited,C=GB

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Chain 2

CN=Malwarebytes Inc.,O=Malwarebytes Inc.,ST=California,C=US

CN=Sectigo RSA Code Signing CA 2,O=Sectigo Limited,C=GB

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

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

Imports

kernel32

GetProcAddress
GetModuleHandleW
lstrcmpiW
LeaveCriticalSection
RaiseException
EnterCriticalSection
GetLastError
MultiByteToWideChar
SizeofResource
LoadResource
FindResourceW
LoadLibraryExW
GetModuleFileNameW
InitializeCriticalSectionEx
DeleteCriticalSection
WideCharToMultiByte
GetCurrentThreadId
SetLastError
LockResource
FindResourceExW
Sleep
GlobalFree
LocalFree
FormatMessageW
LocalAlloc
CallNamedPipeW
GetWindowsDirectoryW
SetCurrentDirectoryW
GetCommandLineW
DecodePointer
CreateMutexW
GetNativeSystemInfo
GetDiskFreeSpaceExW
FreeLibrary
FindClose
GetSystemDirectoryW
CreateProcessW
GetCurrentProcess
FindNextFileW
CloseHandle
GlobalAlloc
GlobalLock
SetThreadUILanguage
LoadLibraryW
CreateDirectoryW
GetLogicalDrives
GetTempPathW
CreateFileW
VerifyVersionInfoW
VerSetConditionMask
InitializeProcThreadAttributeList
UpdateProcThreadAttribute
DeleteProcThreadAttributeList
OpenProcess
ResumeThread
TerminateProcess
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
K32GetModuleFileNameExW
GetCurrentDirectoryW
GetCurrentProcessId
OutputDebugStringW
SetEndOfFile
GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
HeapDestroy
FindFirstFileW
MulDiv
WriteConsoleW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
GetStringTypeW
DeleteFileW
FindFirstFileExW
GetFileAttributesW
GetFileAttributesExW
GetFileInformationByHandle
RemoveDirectoryW
AreFileApisANSI
CopyFileW
DuplicateHandle
WaitForSingleObjectEx
SwitchToThread
GetCurrentThread
QueryPerformanceCounter
TryEnterCriticalSection
EncodePointer
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
IsDebuggerPresent
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
IsProcessorFeaturePresent
VirtualAlloc
VirtualFree
SetEvent
ResetEvent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
CreateTimerQueue
SignalObjectAndWait
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibraryAndExitThread
GetModuleHandleA
GetVersionExW
ReleaseSemaphore
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
RtlUnwind
ExitProcess
GetModuleHandleExW
ExitThread
GetStdHandle
WriteFile
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetFileSizeEx
ReadConsoleW
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW

crypt32

CertCloseStore
CertFreeCertificateContext
CertGetNameStringW
CertFindCertificateInStore
CryptMsgGetParam
CryptQueryObject
CryptMsgClose

rpcrt4

UuidCreate
UuidToStringW
RpcStringFreeW

Sections

.text
Size: 663KB - Virtual size: 662KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 166KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 16KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 307.5MB - Virtual size: 307.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 39KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d57df9a537639961a0bc1aedd32e089e

Code Sign

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95Certificate

Key Usages

a6:57:f7:78:b3:1a:e5:23:d6:67:13:17:18:d1:6e:b2Certificate

Extended Key Usages

Key Usages

9e:02:b0:e9:4a:ce:b2:10:9c:a1:e9:83:6b:e0:c2:dbCertificate

Extended Key Usages

Key Usages

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99Certificate

Key Usages

33:00:00:6a:93:58:f8:84:75:2f:b2:30:ec:00:00:00:00:6a:93Certificate

Extended Key Usages

Key Usages

33:00:00:6a:93:58:f8:84:75:2f:b2:30:ec:00:00:00:00:6a:93Certificate

Extended Key Usages

Key Usages

33:00:00:00:07:37:8c:5b:a1:d9:5b:8c:d4:00:00:00:00:00:07Certificate

Key Usages

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07Certificate

Key Usages

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7dSigner

Signature Validations

Verification

03/05/2023, 12:04 Valid: false

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7dSigner

Signature Validations

Verification

03/05/2023, 12:04 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

crypt32

rpcrt4

Sections

.text Size: 663KB - Virtual size: 662KB

.rdata Size: 166KB - Virtual size: 166KB

.data Size: 16KB - Virtual size: 22KB

.rsrc Size: 307.5MB - Virtual size: 307.5MB

.reloc Size: 39KB - Virtual size: 38KB

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

a6:57:f7:78:b3:1a:e5:23:d6:67:13:17:18:d1:6e:b2
Certificate

9e:02:b0:e9:4a:ce:b2:10:9c:a1:e9:83:6b:e0:c2:db
Certificate

54:98:d2:d1:d4:5b:19:95:48:13:79:c8:11:c0:87:99
Certificate

33:00:00:6a:93:58:f8:84:75:2f:b2:30:ec:00:00:00:00:6a:93
Certificate

33:00:00:6a:93:58:f8:84:75:2f:b2:30:ec:00:00:00:00:6a:93
Certificate

33:00:00:00:07:37:8c:5b:a1:d9:5b:8c:d4:00:00:00:00:00:07
Certificate

33:00:00:00:07:87:a3:34:a3:7b:a5:8e:1c:00:00:00:00:00:07
Certificate

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7d
Signer

03/05/2023, 12:04
Valid: false

14:04:69:77:41:2c:b4:7f:73:dc:5a:87:e0:b1:58:49:65:53:7e:51:1c:77:fb:96:d2:ac:8b:68:f6:dd:b9:7d
Signer

03/05/2023, 12:04
Valid: true

.text
Size: 663KB - Virtual size: 662KB

.rdata
Size: 166KB - Virtual size: 166KB

.data
Size: 16KB - Virtual size: 22KB

.rsrc
Size: 307.5MB - Virtual size: 307.5MB

.reloc
Size: 39KB - Virtual size: 38KB