lockbit | test[.]7z

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General

Target

test.7z
Size

154KB
MD5

8e254c335ddeac743ea6d10d616bfb67
SHA1

ab5c8c18a8c81c1a060772f7d53ccbd89a178fc8
SHA256

811d7f598723a05bb55d747228f43c417d6a30afcd885c0fd643d258e077ed05
SHA512

38559275e29dd23cbf34fa7aa411dce93e25a94634d0e8cab63893554a648b78c7677b3703346085ba6581c42d36ec41aeb36fe827c42b83b8ba8399b3b6e440
SSDEEP

3072:OAsLGGTkRL3Kb3T8UL44bdphzHI+c3+pCu+eJtairzXKnrlIvLhSo:OAsLGGEGTJnbdnz7K+4eJxzXWqj

Score

10^/10

lockbit

Malware Config

Signatures

Lockbit family
lockbit

Rule to detect Lockbit 3.0 ransomware Windows payload 1 IoCs

resource	yara_rule
static1/unpack001/lawoffice.exe	family_lockbit

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/lawoffice.exe

Files

test.7z
.7z

Password: infected
PSEXESVC.exe
.exe windows:5 windows x86 arch:x86

Password: infected

67012475995fb9027f4511245b57ddea

Code Sign

33:00:00:00:99:aa:c5:81:9f:8c:a2:7d:8a:00:00:00:00:00:99
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

30/03/2016, 19:21

Not After

30/06/2017, 19:21

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:98FD-C61E-E641,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/06/2015, 17:42

Not After

04/09/2016, 17:42

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

28/10/2015, 20:31

Not After

28/01/2017, 20:31

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:28:79:71:b2:9d:b5:85:8c:ea:f9:2e:9d:b3:10:86:2e:90:82:60:8f:9d:d3:ac:7f:5e:d3:f7:1c:7c:fc:38
Signer

Actual PE Digest

62:28:79:71:b2:9d:b5:85:8c:ea:f9:2e:9d:b3:10:86:2e:90:82:60:8f:9d:d3:ac:7f:5e:d3:f7:1c:7c:fc:38

Digest Algorithm

sha256

PE Digest Matches

true

d8:d3:ad:e7:f2:a8:1c:13:f0:b6:d4:71:11:e9:ac:96:c3:ce:5c:27
Signer

Actual PE Digest

d8:d3:ad:e7:f2:a8:1c:13:f0:b6:d4:71:11:e9:ac:96:c3:ce:5c:27

Digest Algorithm

sha1

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

userenv

UnloadUserProfile
CreateEnvironmentBlock
DestroyEnvironmentBlock
LoadUserProfileW

kernel32

GetConsoleCP
GetStartupInfoW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
RtlUnwind
UnhandledExceptionFilter
DeleteCriticalSection
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
GetCommandLineA
GetModuleFileNameA
SetConsoleCtrlHandler
FormatMessageW
CreateNamedPipeW
lstrlenW
CreateEventW
CreatePipe
DisconnectNamedPipe
SetHandleInformation
FlushFileBuffers
WaitForMultipleObjects
ResumeThread
SetErrorMode
SetThreadPriority
GetExitCodeProcess
TerminateProcess
SetProcessAffinityMask
GetProcessHeap
HeapFree
HeapAlloc
GetVersion
InterlockedDecrement
InterlockedIncrement
GetCurrentThread
ReadFile
MultiByteToWideChar
CreateFileW
LoadLibraryExW
ConnectNamedPipe
CloseHandle
WriteFile
Sleep
WaitForSingleObject
SetEvent
SetLastError
GetLastError
GetCurrentProcess
SetPriorityClass
GetModuleFileNameW
GetCommandLineW
GetModuleHandleW
LoadLibraryW
GetStdHandle
GetFileType
LocalFree
GetProcAddress
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
LCMapStringW
OutputDebugStringW
HeapSize
SetFilePointerEx
WriteConsoleW
SetUnhandledExceptionFilter
HeapReAlloc
IsProcessorFeaturePresent
EncodePointer
DecodePointer
ExitProcess
GetModuleHandleExW
WideCharToMultiByte
GetConsoleMode
EnterCriticalSection
LeaveCriticalSection
SetStdHandle
CreateThread
GetCurrentThreadId
ExitThread
IsDebuggerPresent

user32

OpenWindowStationW
CloseDesktop
OpenDesktopW
CloseWindowStation
SetProcessWindowStation
GetProcessWindowStation
SetUserObjectSecurity
GetUserObjectSecurity

advapi32

GetAce
StartServiceCtrlDispatcherW
SetServiceStatus
RegisterServiceCtrlHandlerW
ReportEventW
RegisterEventSourceW
DeregisterEventSource
SetEntriesInAclW
DuplicateTokenEx
CreateProcessAsUserW
LookupAccountNameW
LookupAccountSidW
GetSecurityDescriptorDacl
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
GetAclInformation
CopySid
EqualSid
OpenThreadToken
ImpersonateNamedPipeClient
CryptHashData
CryptCreateHash
CryptDecrypt
CryptEncrypt
CryptImportKey
CryptExportKey
CryptDestroyKey
CryptDeriveKey
CryptGenKey
CryptReleaseContext
CryptAcquireContextW
QueryServiceStatus
OpenServiceW
OpenSCManagerW
DeleteService
CreateServiceW
ControlService
CloseServiceHandle
LogonUserW
AdjustTokenPrivileges
OpenProcessToken
RevertToSelf
LsaEnumerateAccountRights
LsaOpenPolicy
LsaClose
LsaFreeMemory
SetSecurityInfo
GetSecurityInfo
LookupPrivilegeValueW
AddAccessAllowedAce
AddAce
InitializeAcl
GetLengthSid
FreeSid
AllocateAndInitializeSid
SetTokenInformation
GetTokenInformation
RegQueryValueExW
RegOpenKeyW
RegCloseKey

shell32

CommandLineToArgvW

Sections

.text
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 140KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

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
lawoffice.exe
.exe windows:5 windows x86 arch:x86

Password: infected

89b43582b27abefb2b74684ab12a2f8e

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

gdi32

CreateDIBitmap
TextOutW
SetTextColor
SetPixel
GetTextMetricsW
GetTextColor
GetTextCharset
BitBlt

user32

CreateDialogParamW
CreateMenu
DefWindowProcW
EndDialog
GetDlgItem
GetKeyNameTextW
LoadImageW

kernel32

GetModuleHandleW
SetLastError
LoadLibraryW
LoadLibraryExA
FormatMessageW
GetLastError
GetDateFormatW
GetAtomNameW

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.itext
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 40KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.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

Password: infected

Password: infected

67012475995fb9027f4511245b57ddea

Code Sign

33:00:00:00:99:aa:c5:81:9f:8c:a2:7d:8a:00:00:00:00:00:99Certificate

Extended Key Usages

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0aCertificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

62:28:79:71:b2:9d:b5:85:8c:ea:f9:2e:9d:b3:10:86:2e:90:82:60:8f:9d:d3:ac:7f:5e:d3:f7:1c:7c:fc:38Signer

d8:d3:ad:e7:f2:a8:1c:13:f0:b6:d4:71:11:e9:ac:96:c3:ce:5c:27Signer

Headers

DLL Characteristics

File Characteristics

Imports

userenv

kernel32

user32

advapi32

shell32

Sections

.text Size: 65KB - Virtual size: 64KB

.rdata Size: 49KB - Virtual size: 48KB

.data Size: 5KB - Virtual size: 140KB

.rsrc Size: 1KB - Virtual size: 1KB

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

Password: infected

89b43582b27abefb2b74684ab12a2f8e

Headers

DLL Characteristics

File Characteristics

Imports

gdi32

user32

kernel32

Sections

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

.itext Size: 1KB - Virtual size: 1KB

.rdata Size: 1KB - Virtual size: 1KB

.data Size: 40KB - Virtual size: 43KB

.pdata Size: 16KB - Virtual size: 15KB

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

33:00:00:00:99:aa:c5:81:9f:8c:a2:7d:8a:00:00:00:00:00:99
Certificate

33:00:00:01:0a:2c:79:ae:d7:79:7b:a6:ac:00:01:00:00:01:0a
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:00:64:47:84:94:86:db:41:19:38:00:00:00:00:00:64
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

62:28:79:71:b2:9d:b5:85:8c:ea:f9:2e:9d:b3:10:86:2e:90:82:60:8f:9d:d3:ac:7f:5e:d3:f7:1c:7c:fc:38
Signer

d8:d3:ad:e7:f2:a8:1c:13:f0:b6:d4:71:11:e9:ac:96:c3:ce:5c:27
Signer

.text
Size: 65KB - Virtual size: 64KB

.rdata
Size: 49KB - Virtual size: 48KB

.data
Size: 5KB - Virtual size: 140KB

.rsrc
Size: 1KB - Virtual size: 1KB

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

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

.itext
Size: 1KB - Virtual size: 1KB

.rdata
Size: 1KB - Virtual size: 1KB

.data
Size: 40KB - Virtual size: 43KB

.pdata
Size: 16KB - Virtual size: 15KB

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