LockDownBrowser-2-1-2-03-951749825[.]exe

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General

Target

LockDownBrowser-2-1-2-03-951749825.exe
Size

122.8MB
MD5

0de2f9a4f68f8d9280d08783b863318c
SHA1

0be8b30070b38c16602ae15756109ae478e211fc
SHA256

dfbdb8ecc08b05cc202bd34643f84882e0a2b3d698a6305a01c780e66c08d5c8
SHA512

8bb7b9e2e5487485593bff601cd7812b3e8d6be9b0806b53a42900c460afa2a0c1007ea74a72a0159f17cc06a95303a076875cbc2875b20cec9e652ca1fc6112
SSDEEP

3145728:Y+aZ0FtqLVRshD2GkN5bExeLzVysJ/V8nN4IYCclt6f8rc/SA8nLGQwi6eflg:mZmtqJRMD2G65bExw/V8Nlcmf8A8LGpH

Score

1^/10

Malware Config

Signatures

Files

LockDownBrowser-2-1-2-03-951749825.exe
.exe windows:6 windows x86 arch: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

0b:a5:fc:ce:dc:0f:6a:8a:cd:f9:25:37:1e:85:5d:c4
Certificate

Issuer

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

Not Before

21/08/2023, 00:00

Not After

14/09/2025, 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

e8:8c:9a:f1:f9:2c:ed:31:cf:79:68:8d:42:1b:2d:83:0d:b7:c0:91:dc:90:01:0c:d4:9b:8b:09:20:0a:5b:27
Signer

Actual PE Digest

e8:8c:9a:f1:f9:2c:ed:31:cf:79:68:8d:42:1b:2d:83:0d:b7:c0:91:dc:90:01:0c:d4:9b:8b:09:20:0a:5b:27

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:\VS12\LockDownChrome-SelfExtractor\Release\LdbSelfExtractor.pdb

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

0b:a5:fc:ce:dc:0f:6a:8a:cd:f9:25:37:1e:85:5d:c4Certificate

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

e8:8c:9a:f1:f9:2c:ed:31:cf:79:68:8d:42:1b:2d:83:0d:b7:c0:91:dc:90:01:0c:d4:9b:8b:09:20:0a:5b:27Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

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

0b:a5:fc:ce:dc:0f:6a:8a:cd:f9:25:37:1e:85:5d:c4
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

e8:8c:9a:f1:f9:2c:ed:31:cf:79:68:8d:42:1b:2d:83:0d:b7:c0:91:dc:90:01:0c:d4:9b:8b:09:20:0a:5b:27
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