LockDownBrowser-2-1-1-03-157814758[.]exe

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General

Target

LockDownBrowser-2-1-1-03-157814758.exe
Size

116.6MB
MD5

390e30906205d04a035258900a605c31
SHA1

97e9af5114220d8a11cb20b628457d1afe45bb9e
SHA256

a03f45d4514216ad7a3025de84b749ed4267b122c15f5aabe63a42fa7c795372
SHA512

5887ec9d23f48a201a83adcb4436189d435f9cc20e3f28dbb406bdec79710c545dbb541a9f862034c768e51dfaa010089021fe270b97b8baebfc02c7f1d40d1b
SSDEEP

3145728:cLY0zl6NSJvyfSWwPVZ9RvgyCzRy4WfV6djIW:2ngkJvyqW+Z9RzCtyCxIW

Score

1^/10

Malware Config

Signatures

Files

LockDownBrowser-2-1-1-03-157814758.exe
.exe windows x86

46ca4524caf11a33f9b4f3cb3d408e34

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

0d:47:93:4b:89:c7:bf:20:92:a4:6f:52:93:f0:b2:da
Certificate

Issuer

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

Not Before

14/08/2023, 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

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

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

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,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

fb:d7:7f:0e:21:40:1e:e3:3d:02:c8:01:d1:ea:3d:d6:b5:d7:c5:2a:97:4f:93:81:f5:9a:64:bc:2c:3c:8d:2e
Signer

Actual PE Digest

fb:d7:7f:0e:21:40:1e:e3:3d:02:c8:01:d1:ea:3d:d6:b5:d7:c5:2a:97:4f:93:81:f5:9a:64:bc:2c:3c:8d:2e

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

Imports

kernel32

GetTempFileNameA
GetExitCodeProcess
WriteConsoleW
SetEndOfFile
HeapReAlloc
HeapSize
FlushFileBuffers
CreateFileW
GetProcessHeap
LCMapStringW
CreateDirectoryA
GetStringTypeW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCommandLineW
GetCPInfo
CreateProcessA
GetFileSize
CloseHandle
DeleteFileA
GetDiskFreeSpaceExW
CreateFileA
GetLastError
GetTempPathA
Sleep
GetCommandLineA
WriteFile
GetModuleFileNameA
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
EncodePointer
RaiseException
GetStdHandle
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
SetFilePointerEx
GetConsoleMode
ReadConsoleW
GetFileType
HeapFree
GetConsoleOutputCP
GetFileSizeEx
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
DecodePointer

user32

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

gdi32

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

Sections

.text
Size: 109KB - Virtual size: 108KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 41KB

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

.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

46ca4524caf11a33f9b4f3cb3d408e34

Code Sign

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

Extended Key Usages

Key Usages

0d:47:93:4b:89:c7:bf:20:92:a4:6f:52:93:f0:b2:daCertificate

Extended Key Usages

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

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

fb:d7:7f:0e:21:40:1e:e3:3d:02:c8:01:d1:ea:3d:d6:b5:d7:c5:2a:97:4f:93:81:f5:9a:64:bc:2c:3c:8d:2eSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

Sections

.text Size: 109KB - Virtual size: 108KB

.rdata Size: 41KB - Virtual size: 41KB

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

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

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

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

0d:47:93:4b:89:c7:bf:20:92:a4:6f:52:93:f0:b2:da
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
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

fb:d7:7f:0e:21:40:1e:e3:3d:02:c8:01:d1:ea:3d:d6:b5:d7:c5:2a:97:4f:93:81:f5:9a:64:bc:2c:3c:8d:2e
Signer

.text
Size: 109KB - Virtual size: 108KB

.rdata
Size: 41KB - Virtual size: 41KB

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

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

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