4b622d63e6886b1430f6ca9cba519cbefde60cd8b6dbcade7c3a152c3930e7c7

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General

Target

4b622d63e6886b1430f6ca9cba519cbefde60cd8b6dbcade7c3a152c3930e7c7
Size

2.0MB
MD5

20071cde8a73faa92141c50183a671d4
SHA1

c484a57d8d434bcb3f1838e249c6b8c564b639f3
SHA256

4b622d63e6886b1430f6ca9cba519cbefde60cd8b6dbcade7c3a152c3930e7c7
SHA512

8f6be27ca8e1e40cdc1e4afdae5e8b252ccdff9ce5ca74fa1bef9b4b2231dce72fbbf2bfeb0adeddf2c8dbdbe6c5b8589e16d0dbb599350b8d8e9846d61c2001
SSDEEP

49152:yG2UlU8vQe89RU50BtIaSRX17/8OBoFp8fqq9AwCi1zN7p3:sT8vQe89SEkfC8fp9LB7p3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack002/patch_Log4j.exe

Files

4b622d63e6886b1430f6ca9cba519cbefde60cd8b6dbcade7c3a152c3930e7c7
.gz
sample
.tar
WdfCoInstaller01011.dll
.dll windows:6 windows x64 arch:x64

553dfc6cd5891a057991f0695d243342

Code Sign

61:02:92:4a:00:00:00:00:00:20
Certificate

Issuer

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

Not Before

09/01/2012, 22:25

Not After

09/04/2013, 22:25

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:B8EC-30A4-7144,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

61:05:dd:42:00:00:00:00:00:14
Certificate

Issuer

CN=Microsoft Windows Verification PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

26/03/2012, 21:37

Not After

26/06/2013, 21:37

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

61:07:02:dc:00:00:00:00:00:0b
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

15/09/2005, 21:55

Not After

15/03/2016, 22:05

Subject

CN=Microsoft Windows Verification PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment
KeyUsageCertSign
KeyUsageCRLSign

3c:aa:50:ed:7a:7b:75:89:86:2f:97:5d:01:74:0e:5b:fe:6f:ba:ea
Signer

Actual PE Digest

3c:aa:50:ed:7a:7b:75:89:86:2f:97:5d:01:74:0e:5b:fe:6f:ba:ea

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

WdfCoInstaller01011.pdb

Imports

msvcrt

free
_wtoi
_wcsnicmp
_amsg_exit
malloc
_ultow
_XcptFilter
_initterm
_wcsicmp
__C_specific_handler
_vsnwprintf
memcpy
memset

setupapi

SetupDiGetActualSectionToInstallW
SetupLogErrorW
SetupDiGetDeviceInstallParamsW
CM_Set_DevNode_Problem_Ex
SetupCloseInfFile
SetupOpenInfFileW
SetupCloseLog
SetupDiSetDeviceInstallParamsW
SetupOpenLog
SetupDiGetDriverInfoDetailW
SetupDiGetSelectedDriverW
SetupGetStringFieldW
SetupPromptReboot
SetupFindFirstLineW
SetupGetLineCountW
SetupFindNextMatchLineW

kernel32

FindClose
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetTickCount
GetSystemTimeAsFileTime
VerSetConditionMask
GetModuleHandleW
GetVersionExW
GetModuleFileNameW
VerifyVersionInfoW
GetLastError
GetProcAddress
GlobalFree
LocalAlloc
GetWindowsDirectoryW
LocalFree
FreeLibrary
LoadLibraryW
FindFirstFileW
FindResourceW
LoadResource
CreateProcessW
CreateDirectoryW
WaitForSingleObject
OutputDebugStringW
WriteFile
SizeofResource
FormatMessageW
GetExitCodeProcess
TerminateProcess
CreateFileW
SetLastError
GetCurrentThreadId
GetLocalTime
LockResource
RemoveDirectoryW
FindNextFileW
CloseHandle
DeleteFileW
ExpandEnvironmentStringsW
LoadLibraryExW
Sleep
QueryPerformanceCounter
GetCurrentProcessId

advapi32

EventUnregister
EventRegister
QueryServiceConfigW
ChangeServiceConfigW
RegFlushKey
RegSetValueExW
RegCreateKeyExW
RegCloseKey
RegOpenKeyExW
EventWrite
QueryServiceStatusEx
RegQueryValueExW
OpenServiceW
OpenSCManagerW
DeleteService
CloseServiceHandle

shell32

CommandLineToArgvW

user32

IsCharAlphaNumericW
LoadStringW
IsCharAlphaW

shlwapi

PathFileExistsW

Exports

Exports

WdfCoInstaller
WdfPostDeviceInstall
WdfPostDeviceRemove
WdfPreDeviceInstall
WdfPreDeviceInstallEx
WdfPreDeviceRemove

Sections

.text
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.6MB - Virtual size: 1.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 108B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
nuidfltr.cat
nuidfltr.inf
nuidfltr.sys
.sys windows:6 windows x64 arch:x64

a12388f9d66ac3adf486b100986b5bb2

Code Sign

33:00:00:00:33:e5:27:86:a3:0e:4a:2a:80:00:00:00:00:00:33
Certificate

Issuer

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

Not Before

27/03/2013, 20:08

Not After

27/06/2014, 20:08

Subject

CN=Microsoft Time-Stamp Service,OU=MOPR+OU=nCipher DSE ESN:F528-3777-8A76,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:00:b0:11:af:0a:8b:d0:3b:9f:dd:00:01:00:00:00:b0
Certificate

Issuer

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

Not Before

24/01/2013, 22:33

Not After

24/04/2014, 22:33

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

06:fc:2b:5b:43:ca:31:80:28:f0:e1:88:69:c6:e1:1d:5b:25:ab:d8
Signer

Actual PE Digest

06:fc:2b:5b:43:ca:31:80:28:f0:e1:88:69:c6:e1:1d:5b:25:ab:d8

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

d:\bt\243\source\sys\nuidfltr\src\obj\amd64\nuidfltr.pdb

Imports

ntoskrnl.exe

RtlCopyUnicodeString
IoWMIRegistrationControl
MmGetSystemRoutineAddress
RtlCompareMemory
RtlInitUnicodeString
KeBugCheckEx

hidparse.sys

HidP_GetUsageValue
HidP_MaxUsageListLength
HidP_GetUsages
HidP_GetCaps

wdfldr.sys

WdfVersionBindClass
WdfVersionUnbindClass
WdfVersionUnbind
WdfVersionBind

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 696B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 1024B - Virtual size: 698B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

PAGE
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

INIT
Size: 512B - Virtual size: 142B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 84B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
patch_Log4j.exe
.exe windows:6 windows x64 arch:x64

e112b3cf05d9efa723bbc262236a010d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CloseHandle
CreateFileW
CreateProcessA
DeleteCriticalSection
EncodePointer
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetEnvironmentStringsW
GetFileSizeEx
GetFileType
GetLastError
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetVolumeInformationA
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WideCharToMultiByte
WriteConsoleW
WriteFile

ws2_32

WSACleanup
WSAGetLastError
WSAStartup
__WSAFDIsSet
closesocket
connect
ioctlsocket
recv
select
send
socket

advapi32

CryptAcquireContextW
CryptGenRandom
CryptReleaseContext
SystemFunction036

Sections

.text
Size: 477KB - Virtual size: 477KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 144KB - Virtual size: 144KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 424B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

553dfc6cd5891a057991f0695d243342

Code Sign

61:02:92:4a:00:00:00:00:00:20Certificate

Extended Key Usages

61:05:dd:42:00:00:00:00:00:14Certificate

Extended Key Usages

Key Usages

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

Extended Key Usages

Key Usages

61:07:02:dc:00:00:00:00:00:0bCertificate

Extended Key Usages

Key Usages

3c:aa:50:ed:7a:7b:75:89:86:2f:97:5d:01:74:0e:5b:fe:6f:ba:eaSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

setupapi

kernel32

advapi32

shell32

user32

shlwapi

Exports

Exports

Sections

.text Size: 55KB - Virtual size: 55KB

.data Size: 512B - Virtual size: 18KB

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

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

.rsrc Size: 1.6MB - Virtual size: 1.6MB

.reloc Size: 512B - Virtual size: 108B

a12388f9d66ac3adf486b100986b5bb2

Code Sign

33:00:00:00:33:e5:27:86:a3:0e:4a:2a:80:00:00:00:00:00:33Certificate

Extended Key Usages

33:00:00:00:b0:11:af:0a:8b:d0:3b:9f:dd:00:01:00:00:00:b0Certificate

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

06:fc:2b:5b:43:ca:31:80:28:f0:e1:88:69:c6:e1:1d:5b:25:ab:d8Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ntoskrnl.exe

hidparse.sys

wdfldr.sys

Sections

.text Size: 11KB - Virtual size: 10KB

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

.data Size: 512B - Virtual size: 4KB

.pdata Size: 1024B - Virtual size: 696B

.idata Size: 1024B - Virtual size: 698B

PAGE Size: 1KB - Virtual size: 1KB

INIT Size: 512B - Virtual size: 142B

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

.reloc Size: 512B - Virtual size: 84B

e112b3cf05d9efa723bbc262236a010d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ws2_32

advapi32

Sections

.text Size: 477KB - Virtual size: 477KB

61:02:92:4a:00:00:00:00:00:20
Certificate

61:05:dd:42:00:00:00:00:00:14
Certificate

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

61:07:02:dc:00:00:00:00:00:0b
Certificate

3c:aa:50:ed:7a:7b:75:89:86:2f:97:5d:01:74:0e:5b:fe:6f:ba:ea
Signer

.text
Size: 55KB - Virtual size: 55KB

.data
Size: 512B - Virtual size: 18KB

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

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

.rsrc
Size: 1.6MB - Virtual size: 1.6MB

.reloc
Size: 512B - Virtual size: 108B

33:00:00:00:33:e5:27:86:a3:0e:4a:2a:80:00:00:00:00:00:33
Certificate

33:00:00:00:b0:11:af:0a:8b:d0:3b:9f:dd:00:01:00:00:00:b0
Certificate

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

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

06:fc:2b:5b:43:ca:31:80:28:f0:e1:88:69:c6:e1:1d:5b:25:ab:d8
Signer

.text
Size: 11KB - Virtual size: 10KB

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

.data
Size: 512B - Virtual size: 4KB

.pdata
Size: 1024B - Virtual size: 696B

.idata
Size: 1024B - Virtual size: 698B

PAGE
Size: 1KB - Virtual size: 1KB

INIT
Size: 512B - Virtual size: 142B

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

.reloc
Size: 512B - Virtual size: 84B

.text
Size: 477KB - Virtual size: 477KB

.rdata
Size: 144KB - Virtual size: 144KB

.data
Size: 64KB - Virtual size: 64KB

.pdata
Size: 17KB - Virtual size: 17KB

.rsrc
Size: 512B - Virtual size: 424B

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