LockDownBrowser-2-0-9-05[.]exe

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General

Target

LockDownBrowser-2-0-9-05.exe
Size

104.0MB
MD5

2d857eb6d1dda771ab56433368fb9040
SHA1

7736f9b975e45c78ced86fe85e9a8ca3a590591b
SHA256

af055256634f7648cc2f72a3c13991e72edec840d6176980e39a627a51666802
SHA512

8586d936b1debd6865727cfc0ff2be1cdd31d78c39118b2812d4a3e7c10335ef4457d7abcc40f13b3a8dbae0c3b9a54faee4643c449ddb38cc8ed47ff156d0c8
SSDEEP

3145728:LEgS3G5T+6wwSxUlkMCIvIWlg4tnYkLNU22KA:7SG5T+CSUylfINU22KA

Score

1^/10

Malware Config

Signatures

Files

LockDownBrowser-2-0-9-05.exe
.exe windows x86

1f61de89f20bdb68b3a74d97c24509aa

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

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

08:66:19:4d:e6:dc:b2:05:71:08:30:14:06:23:06:ae
Certificate

Issuer

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

Not Before

26/07/2021, 00:00

Not After

08/09/2023, 23:59

Subject

CN=Respondus\, Inc.,O=Respondus\, Inc.,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

08:66:19:4d:e6:dc:b2:05:71:08:30:14:06:23:06:ae
Certificate

Issuer

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

Not Before

26/07/2021, 00:00

Not After

08/09/2023, 23:59

Subject

CN=Respondus\, Inc.,O=Respondus\, Inc.,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

68:a4:c8:87:bf:a5:db:c9:66:64:a1:11:01:c4:a3:7a:64:b3:e8:62:f1:a8:8c:9e:ee:a4:d6:f0:b5:f1:e0:4b
Signer

Actual PE Digest

68:a4:c8:87:bf:a5:db:c9:66:64:a1:11:01:c4:a3:7a:64:b3:e8:62:f1:a8:8c:9e:ee:a4:d6:f0:b5:f1:e0:4b

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Respondus\, Inc.,O=Respondus\, Inc.,L=Redmond,ST=Washington,C=US

03/11/2022, 20:55
Valid: true

Chain 1

CN=Respondus\, Inc.,O=Respondus\, Inc.,L=Redmond,ST=Washington,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=Respondus\, Inc.,O=Respondus\, Inc.,L=Redmond,ST=Washington,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

GetTempFileNameA
GetExitCodeProcess
DecodePointer
SetEndOfFile
HeapReAlloc
HeapSize
WriteConsoleW
FlushFileBuffers
CreateFileW
GetProcessHeap
CreateDirectoryA
SetStdHandle
LCMapStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
CreateProcessA
GetFileSize
CloseHandle
DeleteFileA
GetDiskFreeSpaceExW
CreateFileA
GetLastError
GetTempPathA
Sleep
GetCommandLineA
WriteFile
GetModuleFileNameA
GetStringTypeW
ReadFile
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwind
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
SetFilePointerEx
GetConsoleMode
ReadConsoleW
GetFileType
GetConsoleCP
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
RaiseException

user32

GetMessageW
DefWindowProcW
PostMessageW
DestroyWindow
CreateWindowExW
GetSystemMetrics
RegisterClassExW
LoadAcceleratorsW
LoadStringW
ShowWindow
DispatchMessageW
PeekMessageW
MessageBoxA
LoadBitmapW
TranslateAcceleratorW
TranslateMessage
LoadIconW
LoadCursorW
DrawTextW
SetRect
PostQuitMessage
UpdateWindow
BeginPaint
EndPaint

gdi32

SelectObject
CreateCompatibleDC
CreateFontW
GetStockObject
DeleteDC
SetTextColor
SetBkMode
CreatePen
Rectangle
GetObjectW
DeleteObject
CreateSolidBrush
BitBlt

Sections

.text
Size: 95KB - Virtual size: 95KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 38KB - Virtual size: 38KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 172B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 28KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1f61de89f20bdb68b3a74d97c24509aa

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

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

08:66:19:4d:e6:dc:b2:05:71:08:30:14:06:23:06:aeCertificate

Extended Key Usages

Key Usages

08:66:19:4d:e6:dc:b2:05:71:08:30:14:06:23:06:aeCertificate

Extended Key Usages

Key Usages

68:a4:c8:87:bf:a5:db:c9:66:64:a1:11:01:c4:a3:7a:64:b3:e8:62:f1:a8:8c:9e:ee:a4:d6:f0:b5:f1:e0:4bSigner

Signature Validations

Verification

03/11/2022, 20:55 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

Sections

.text Size: 95KB - Virtual size: 95KB

.rdata Size: 38KB - Virtual size: 38KB

.data Size: 2KB - Virtual size: 57KB

.gfids Size: 512B - Virtual size: 172B

.rsrc Size: 28KB - Virtual size: 27KB

.reloc Size: 5KB - Virtual size: 4KB

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

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

08:66:19:4d:e6:dc:b2:05:71:08:30:14:06:23:06:ae
Certificate

08:66:19:4d:e6:dc:b2:05:71:08:30:14:06:23:06:ae
Certificate

68:a4:c8:87:bf:a5:db:c9:66:64:a1:11:01:c4:a3:7a:64:b3:e8:62:f1:a8:8c:9e:ee:a4:d6:f0:b5:f1:e0:4b
Signer

03/11/2022, 20:55
Valid: true

.text
Size: 95KB - Virtual size: 95KB

.rdata
Size: 38KB - Virtual size: 38KB

.data
Size: 2KB - Virtual size: 57KB

.gfids
Size: 512B - Virtual size: 172B

.rsrc
Size: 28KB - Virtual size: 27KB

.reloc
Size: 5KB - Virtual size: 4KB