duo-win-login-4[.]2[.]1[.]exe

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General

Target

duo-win-login-4.2.1.exe
Size

7.5MB
MD5

26e3ef039794fbbcfb81e30b9584453b
SHA1

e93c1e33f6338a002e71e0b8e2e81932d1185180
SHA256

176a1b1bba46b6681d53119baf19d22e71caed219ecf9b5568771fd976b37923
SHA512

5355850703761dc57654789a8bde7d1880223ff2b99c005c853832c65bbbd58e83dd9932a0f294f46b70a5ce046666033e9aab30b0ecb63b920f303bc1982979
SSDEEP

196608:5JTyUHhWLlJTqo37AgJTyUHJQEnocTzS:MTqy4dt

Score

1^/10

Malware Config

Signatures

Files

duo-win-login-4.2.1.exe
.exe windows x86

c6f19691ad1836f2fc8199e3c88a3a06

Code Sign

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

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

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

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

0b:9a:a0:6f:59:a9:36:38:95:8a:23:84:ef:63:62:13
Certificate

Issuer

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

Not Before

25/01/2022, 00:00

Not After

18/02/2025, 23:59

Subject

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

0b:9a:a0:6f:59:a9:36:38:95:8a:23:84:ef:63:62:13
Certificate

Issuer

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

Not Before

25/01/2022, 00:00

Not After

18/02/2025, 23:59

Subject

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

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

4d:ed:5b:b0:65:88:ac:fe:ce:42:fa:61:2d:89:29:e7:40:5a:bf:6d:15:06:ec:03:29:5b:77:53:29:e3:b3:e5
Signer

Actual PE Digest

4d:ed:5b:b0:65:88:ac:fe:ce:42:fa:61:2d:89:29:e7:40:5a:bf:6d:15:06:ec:03:29:5b:77:53:29:e3:b3:e5

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

18/11/2022, 00:25
Valid: true

Chain 1

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

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

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

Chain 2

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

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

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

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

7e:67:6e:e9:c4:ef:7c:a6:01:1d:46:78:54:28:08:7d:7c:8a:f6:e9
Signer

Actual PE Digest

7e:67:6e:e9:c4:ef:7c:a6:01:1d:46:78:54:28:08:7d:7c:8a:f6:e9

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

18/11/2022, 00:25
Valid: true

Chain 1

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

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

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

Chain 2

CN=Duo Security LLC,O=Duo Security LLC,L=Ann Arbor,ST=Michigan,C=US

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

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

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

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

GetCommandLineW
CreateFileW
DeleteFileW
GetTempFileNameW
WriteFile
GetTempPathW
CloseHandle
GetLastError
WaitForSingleObject
CreateProcessW
GetNativeSystemInfo
LoadResource
LockResource
SizeofResource
FindResourceW
MoveFileExW
DecodePointer
RaiseException
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionEx
DeleteCriticalSection
IsDebuggerPresent
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
LCMapStringW
InitializeCriticalSectionAndSpinCount
CreateEventW
GetModuleHandleW
GetProcAddress
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetCurrentProcess
TerminateProcess
RtlUnwind
SetLastError
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
GetStdHandle
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
WriteConsoleW

user32

MessageBoxW

shell32

CommandLineToArgvW

Sections

.text
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 27KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 7.4MB - Virtual size: 7.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c6f19691ad1836f2fc8199e3c88a3a06

Code Sign

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

Key Usages

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

Extended Key Usages

Key Usages

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

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

0b:9a:a0:6f:59:a9:36:38:95:8a:23:84:ef:63:62:13Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

0b:9a:a0:6f:59:a9:36:38:95:8a:23:84:ef:63:62:13Certificate

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

4d:ed:5b:b0:65:88:ac:fe:ce:42:fa:61:2d:89:29:e7:40:5a:bf:6d:15:06:ec:03:29:5b:77:53:29:e3:b3:e5Signer

Signature Validations

Verification

18/11/2022, 00:25 Valid: true

Chain 1

Chain 2

7e:67:6e:e9:c4:ef:7c:a6:01:1d:46:78:54:28:08:7d:7c:8a:f6:e9Signer

Signature Validations

Verification

18/11/2022, 00:25 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

Sections

.text Size: 68KB - Virtual size: 68KB

.rdata Size: 27KB - Virtual size: 27KB

.data Size: 2KB - Virtual size: 4KB

.rsrc Size: 7.4MB - Virtual size: 7.4MB

.reloc Size: 4KB - Virtual size: 3KB

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

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

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

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

0b:9a:a0:6f:59:a9:36:38:95:8a:23:84:ef:63:62:13
Certificate

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

0b:9a:a0:6f:59:a9:36:38:95:8a:23:84:ef:63:62:13
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

4d:ed:5b:b0:65:88:ac:fe:ce:42:fa:61:2d:89:29:e7:40:5a:bf:6d:15:06:ec:03:29:5b:77:53:29:e3:b3:e5
Signer

18/11/2022, 00:25
Valid: true

7e:67:6e:e9:c4:ef:7c:a6:01:1d:46:78:54:28:08:7d:7c:8a:f6:e9
Signer

18/11/2022, 00:25
Valid: true

.text
Size: 68KB - Virtual size: 68KB

.rdata
Size: 27KB - Virtual size: 27KB

.data
Size: 2KB - Virtual size: 4KB

.rsrc
Size: 7.4MB - Virtual size: 7.4MB

.reloc
Size: 4KB - Virtual size: 3KB