General

Malware Config

Signatures

Files

• DropboxInstaller.exe

  .exe windows x86

  959c9df12e2ee961f3fcecfec5f9b8d1

  
  

  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

  0a:7a:4a:88:9e:c9:99:42:90:06:63:38:4d:86:97:9d

  Certificate

  Issuer

  CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

  Not Before

  29-03-2022 00:00

  Not After

  14-03-2033 23:59

  Subject

  CN=DigiCert Timestamp 2022 - 2,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

  01:24:0a:fb:1e:38:0b:8a:16:f1:4b:71:9d:f4:d3:c0

  Certificate

  Issuer

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

  Not Before

  09-06-2022 00:00

  Not After

  09-11-2031 23:59

  Subject

  CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

  Extended Key Usages

  ExtKeyUsageTimeStamping

  Key Usages

  KeyUsageDigitalSignature

  KeyUsageCertSign

  KeyUsageCRLSign

  93:18:91:5d:fd:dc:1b:9a:79:32:43:8e:a6:5c:4f:ca:18:a6:5c:08:a8:a8:b3:bb:0d:9c:6b:bb:e6:46:41:74

  Signer

  Actual PE Digest

  93:18:91:5d:fd:dc:1b:9a:79:32:43:8e:a6:5c:4f:ca:18:a6:5c:08:a8:a8:b3:bb:0d:9c:6b:bb:e6:46:41:74

  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

  27-06-2022 09:23

  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

  kernel32

  GetProcAddress

  ExitProcess

  WriteFile

  GetStdHandle

  GetModuleFileNameA

  FreeEnvironmentStringsA

  GetEnvironmentStrings

  FreeEnvironmentStringsW

  WideCharToMultiByte

  GetLastError

  GetEnvironmentStringsW

  SetHandleCount

  GetFileType

  DeleteCriticalSection

  TlsGetValue

  TlsAlloc

  TlsSetValue

  TlsFree

  InterlockedIncrement

  SetLastError

  GetCurrentThreadId

  InterlockedDecrement

  HeapCreate

  HeapDestroy

  VirtualFree

  HeapFree

  QueryPerformanceCounter

  GetTickCount

  GetCurrentProcessId

  GetSystemTimeAsFileTime

  LeaveCriticalSection

  EnterCriticalSection

  TerminateProcess

  Sleep

  UnhandledExceptionFilter

  IsDebuggerPresent

  LoadLibraryA

  InitializeCriticalSectionAndSpinCount

  GetCPInfo

  GetACP

  GetOEMCP

  IsValidCodePage

  HeapAlloc

  VirtualAlloc

  HeapReAlloc

  RtlUnwind

  HeapSize

  GetLocaleInfoA

  LCMapStringA

  MultiByteToWideChar

  LCMapStringW

  GetStringTypeA

  GetStringTypeW

  GetProcessHeap

  InitializeCriticalSection

  GetModuleHandleW

  SetUnhandledExceptionFilter

  GetStartupInfoA

  GetCurrentProcess

  GetCommandLineA

  GetTempFileNameW

  FindResourceExW

  FindResourceW

  LoadResource

  VerSetConditionMask

  SetFilePointerEx

  CreateDirectoryW

  SizeofResource

  FormatMessageW

  GetVersionExW

  GetModuleFileNameW

  CreateFileW

  lstrlenW

  GetTempPathW

  RaiseException

  VerifyVersionInfoW

  Process32FirstW

  LockResource

  RemoveDirectoryW

  Process32NextW

  CreateToolhelp32Snapshot

  CloseHandle

  DeleteFileW

  LocalFree

  CreateProcessW

  WaitForSingleObject

  GetExitCodeProcess

  GetStartupInfoW

  MapViewOfFile

  UnmapViewOfFile

  VirtualQuery

  CreateFileMappingW

  SetFilePointer

  ReadFile

  shlwapi

  PathQuoteSpacesW

  advapi32

  OpenServiceW

  OpenSCManagerW

  CloseServiceHandle

  QueryServiceStatusEx

  ole32

  CoUninitialize

  CoInitializeEx

  user32

  wvsprintfW

  CharLowerBuffW

  MessageBoxW

  Sections

  .text

  Size: 47KB - Virtual size: 46KB

  IMAGE_SCN_CNT_CODE

  IMAGE_SCN_MEM_EXECUTE

  IMAGE_SCN_MEM_READ

  .rdata

  Size: 11KB - Virtual size: 10KB

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_READ

  .data

  Size: 3KB - Virtual size: 6KB

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_READ

  IMAGE_SCN_MEM_WRITE

  .rsrc

  Size: 575KB - Virtual size: 575KB

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_READ

  .reloc

  Size: 5KB - Virtual size: 5KB

  IMAGE_SCN_CNT_INITIALIZED_DATA

  IMAGE_SCN_MEM_DISCARDABLE

  IMAGE_SCN_MEM_READ