DropboxUpdate[.]exe

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General

Target

DropboxUpdate.exe
Size

127KB
MD5

8ad76e0b347bb690697535ce95b1c656
SHA1

10d2622a3965d21215a953ed924d01788a9805ed
SHA256

7655221b493047c61285e1de78807d0584920b0d14d150e2487da9728b1926f3
SHA512

35fbda7f05865b3a50454dba5ba3738eb8a5fd6d2eea5e9415d8d517811d51c50cca6c7b47a5b19f1ff1f4101567137fe18805f4f740289456da1ff2af682504
SSDEEP

3072:SvZOOxLE4GTnQcyL2QltfWLgo/iE+DiV7X5pbwmjNBOfoXcz:SwOxLEbTQXLz

Score

N/A

Malware Config

Signatures

Files

DropboxUpdate.exe
.exe windows x86

907bd326a444dbc0e31cef85b0646f45

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22-10-2013 12:00

Not After

22-10-2028 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0f:7a:16:55:50:16:3d:5e:d7:d1:ca:a3:fc:13:da:06
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

16-11-2020 00:00

Not After

09-02-2024 23:59

Subject

CN=Dropbox\, Inc,O=Dropbox\, Inc,L=San Francisco,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01-01-2021 00:00

Not After

06-01-2031 00:00

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

07-01-2016 12:00

Not After

07-01-2031 12:00

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

b8:95:d5:52:7b:42:b5:d4:ee:df:c5:a4:da:c9:6e:68:f4:20:43:7a:c2:0d:55:98:b6:fb:09:8e:94:71:8f:34
Signer

Actual PE Digest

b8:95:d5:52:7b:42:b5:d4:ee:df:c5:a4:da:c9:6e:68:f4:20:43:7a:c2:0d:55:98:b6:fb:09:8e:94:71:8f:34

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Dropbox\, Inc,O=Dropbox\, Inc,L=San Francisco,ST=California,C=US

04-10-2021 16:43
Valid: true

Chain 1

CN=Dropbox\, Inc,O=Dropbox\, Inc,L=San Francisco,ST=California,C=US

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

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

advapi32

RegOpenKeyExW

kernel32

GetCommandLineW
FindResourceExW
FindResourceW
FreeLibrary
LoadResource
LoadLibraryExW
VerSetConditionMask
GetModuleHandleW
SizeofResource
GetModuleFileNameW
lstrlenW
RaiseException
VerifyVersionInfoW
GetLastError
GetProcAddress
LockResource
GetFileAttributesExW
SetLastError
LocalAlloc
CloseHandle
SetStdHandle
InterlockedExchange
LoadLibraryA
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
HeapDestroy
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
GetProcessHeap
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetStartupInfoW
WideCharToMultiByte
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
InterlockedIncrement
GetCurrentThreadId
InterlockedDecrement
Sleep
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetStartupInfoA
HeapCreate
VirtualFree
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
VirtualAlloc
RtlUnwind
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
InitializeCriticalSectionAndSpinCount
LCMapStringA
MultiByteToWideChar
LCMapStringW
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
GetConsoleCP
GetConsoleMode
FlushFileBuffers
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
SetFilePointer
CreateFileA

ole32

CoCreateGuid

Sections

.text
Size: 51KB - Virtual size: 51KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.text/DE
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

907bd326a444dbc0e31cef85b0646f45

Code Sign

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0f:7a:16:55:50:16:3d:5e:d7:d1:ca:a3:fc:13:da:06Certificate

Extended Key Usages

Key Usages

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:ddCertificate

Extended Key Usages

Key Usages

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15Certificate

Extended Key Usages

Key Usages

b8:95:d5:52:7b:42:b5:d4:ee:df:c5:a4:da:c9:6e:68:f4:20:43:7a:c2:0d:55:98:b6:fb:09:8e:94:71:8f:34Signer

Signature Validations

Verification

04-10-2021 16:43 Valid: true

Chain 1

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

ole32

Sections

.text Size: 51KB - Virtual size: 51KB

.data Size: 4KB - Virtual size: 11KB

.text/DE Size: 12KB - Virtual size: 12KB

.rsrc Size: 44KB - Virtual size: 44KB

.reloc Size: 6KB - Virtual size: 6KB

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0f:7a:16:55:50:16:3d:5e:d7:d1:ca:a3:fc:13:da:06
Certificate

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd
Certificate

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15
Certificate

b8:95:d5:52:7b:42:b5:d4:ee:df:c5:a4:da:c9:6e:68:f4:20:43:7a:c2:0d:55:98:b6:fb:09:8e:94:71:8f:34
Signer

04-10-2021 16:43
Valid: true

.text
Size: 51KB - Virtual size: 51KB

.data
Size: 4KB - Virtual size: 11KB

.text/DE
Size: 12KB - Virtual size: 12KB

.rsrc
Size: 44KB - Virtual size: 44KB

.reloc
Size: 6KB - Virtual size: 6KB