CefRunProcess
Static task
static1
Behavioral task
behavioral1
Sample
CefCom.dll
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
CefCom.dll
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
ChromeCoreUpdate.exe
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
ChromeCoreUpdate.exe
Resource
win10v2004-20230703-en
Behavioral task
behavioral5
Sample
ChromeSetup.exe
Resource
win7-20230712-en
Behavioral task
behavioral6
Sample
ChromeSetup.exe
Resource
win10v2004-20230703-en
General
-
Target
29cdac19795c2e0e510d50f67de350c89568325d405951fc8aef6691b2a14364
-
Size
1.7MB
-
MD5
9d1885fb7be00011da3b91a1b79e17f3
-
SHA1
5338454de322145b59f385767e757e3ac99e81e3
-
SHA256
29cdac19795c2e0e510d50f67de350c89568325d405951fc8aef6691b2a14364
-
SHA512
69c5c131b8ada9b605662ccde7f106822c0f4b378274c5c9ee38ca0c4e2ea743a8e9b11b55d5b41379f290e926bf6bd16878cfcec98d82b232d30af13c29a461
-
SSDEEP
49152:GmYPIUrfacxIz3Wv72/rd8u27y8Nm3sXoxRK:wtrTyav72jCg3sX8E
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/CefCom.dll
Files
-
29cdac19795c2e0e510d50f67de350c89568325d405951fc8aef6691b2a14364.zip
-
CefCom.dll.dll windows x64
b7a8097d5feaa04f8f2f7c62443b5810
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
IMAGE_FILE_DLL
Imports
kernel32
CreateToolhelp32Snapshot
Process32NextW
Process32FirstW
GetProcAddress
GetModuleHandleW
WideCharToMultiByte
GetCurrentProcess
CreateFileA
CloseHandle
FreeLibrary
CreateFileMappingW
MapViewOfFile
GetCurrentProcessId
SetEndOfFile
DisableThreadLibraryCalls
GetModuleFileNameW
MultiByteToWideChar
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
GetLocaleInfoEx
LCMapStringEx
GetStringTypeW
CompareStringEx
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InterlockedFlushSList
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
RtlUnwind
ExitProcess
GetModuleHandleExW
HeapFree
HeapAlloc
GetStdHandle
GetFileType
GetFileSizeEx
SetFilePointerEx
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
ReadFile
ReadConsoleW
HeapReAlloc
GetTimeZoneInformation
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
SetStdHandle
CreateFileW
HeapSize
WriteConsoleW
Exports
Exports
Sections
.text Size: 367KB - Virtual size: 367KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 96KB - Virtual size: 95KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
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
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ChromeCoreUpdate.exe.exe windows x64
fc66337ca2ecaac490e0c5e73ccf009b
Code Sign
0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate
IssuerCN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/01/2021, 00:00Not After06/01/2031, 00:00SubjectCN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before07/01/2016, 12:00Not After07/01/2031, 12:00SubjectCN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
08:fc:2a:6c:41:1d:88:e7:25:3c:3d:99:17:0e:ae:62Certificate
IssuerCN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=USNot Before29/06/2020, 00:00Not After22/07/2022, 12:00SubjectSERIALNUMBER=C1067879,CN=Logitech Inc,O=Logitech Inc,L=Newark,ST=California,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130a43616c69666f726e6961,1.3.6.1.4.1.311.60.2.1.3=#13025553Extended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate
IssuerCN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before18/04/2012, 12:00Not After18/04/2027, 12:00SubjectCN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
62:14:f2:44:8d:ff:fd:d9:8b:51:7a:1b:c7:fb:3b:3f:cc:9e:b1:7dSigner
Actual PE Digest62:14:f2:44:8d:ff:fd:d9:8b:51:7a:1b:c7:fb:3b:3f:cc:9e:b1:7dDigest Algorithmsha1PE Digest MatchestrueHeaders
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
cefcom
CefRunProcess
kernel32
OutputDebugStringW
RaiseException
GetLastError
InitializeCriticalSectionEx
DeleteCriticalSection
CloseHandle
CreateFileW
GetCurrentThreadId
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
GetTempPathW
GetCurrentProcessId
GetCurrentProcess
SetUnhandledExceptionFilter
EnterCriticalSection
LeaveCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
GetProcAddress
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
GetStringTypeW
SetStdHandle
RtlPcToFileHeader
EncodePointer
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
ExitProcess
GetModuleHandleExW
GetACP
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
WriteConsoleW
ole32
StringFromGUID2
CoCreateGuid
dbghelp
MiniDumpWriteDump
Sections
.text Size: 71KB - Virtual size: 71KB
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: 3KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 196B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 49KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
ChromeSetup.exe.exe windows x86
7e2f200a9ecaa7ee1d0f7298f297d727
Code Sign
08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before29/04/2021, 00:00Not After28/04/2036, 23:59SubjectCN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0e:44:18:e2:de:de:36:dd:29:74:c3:44:3a:fb:5c:e5Certificate
IssuerCN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=USNot Before02/07/2021, 00:00Not After10/07/2024, 23:59SubjectCN=Google LLC,O=Google LLC,L=Mountain View,ST=California,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
01Certificate
IssuerCN=Unknown issuerNot Before01/01/2013, 10:00Not After01/04/2013, 10:00SubjectCN=Dummy certificateExtended Key Usages
Key Usages
KeyUsageCertSign
0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before21/09/2022, 00:00Not After21/11/2033, 23:59SubjectCN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
b7:fc:7e:c6:ab:9f:a6:49:2a:a3:02:79:b6:b3:9c:d6:7b:10:7c:68:e0:40:d1:07:b3:48:10:33:d8:e7:9f:f9Signer
Actual PE Digestb7:fc:7e:c6:ab:9f:a6:49:2a:a3:02:79:b6:b3:9c:d6:7b:10:7c:68:e0:40:d1:07:b3:48:10:33:d8:e7:9f:f9Digest Algorithmsha256PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
GetCurrentProcess
TerminateProcess
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
EncodePointer
RaiseException
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
OutputDebugStringW
HeapAlloc
HeapFree
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
ReadFile
CreateFileW
CloseHandle
WriteConsoleW
DecodePointer
GetExitCodeProcess
CreateProcessW
WaitForSingleObject
SetFilePointer
VirtualQuery
CreateDirectoryW
SizeofResource
RemoveDirectoryW
GetEnvironmentVariableW
GetTempPathW
FormatMessageW
GetFileAttributesExW
LockResource
DeleteFileW
FindResourceExW
LoadResource
FindResourceW
HeapDestroy
LocalFree
VerSetConditionMask
CopyFileW
VerifyVersionInfoW
GetTempFileNameW
lstrcmpiW
UnmapViewOfFile
CreateFileMappingW
MapViewOfFile
shlwapi
PathAppendW
PathCanonicalizeW
PathQuoteSpacesW
ole32
CoUninitialize
CoInitializeEx
shell32
ord680
SHGetFolderPathW
user32
MessageBoxW
CharLowerBuffW
Sections
.text Size: 94KB - Virtual size: 93KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
data.dat