teamviewer-15[.]76[.]5-installer[.]exe

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General

Target
teamviewer-15.76.5-installer.exe
Size 2.0MB
Sample260623-pgaxqacy6x
SHA256 e0936a9758d1b39d5f20f0f5d0f8aa7d9cbdc5bdf5f0ad4492edf956aaeab18b
MD5 10035710ef3b2ff8abd5c304e1fae322
SHA1 96e2f3f5435585a5150326917eef3247bd9dadd1
SHA512 d03a6d413a4461a52edafd8818bbbca88b856a213641d57403da9d32303011dc66d71410e5dc083acea31a04924f6120fd3bb28b9d6687633342423115a913d7
SSDEEP 49152:UuI5hRc1DYJjNU3id/fPilfX/Dr8iuqjjL:U5/RcpGNUw/fPi5rQSL
TLSH
T194A5D03FB28B753EE06E5A367A72E210583B7A6165134C1696F4C88CCF254B01E3E797
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

installer

Malware Config

Signatures

Insecure Codesign Algorithm 1 IoCs

File was codesigned using an insecure algorithm.

resource
teamviewer-15.76.5-installer.exe

Inno Setup is an open-source installation builder for Windows applications. 1 IoCs

Inno Setup installer

installer

resource	yara_rule
sample	innosetup

File Explorer

teamviewer-15.76.5-installer.exe

.exe 2.0MB

teamviewer-15.76.5-installer.exe

IMPHASH 88016fcdef7f227c62171d0afad9aae4
SHA256 e0936a9758d1b39d5f20f0f5d0f8aa7d9cbdc5bdf5f0ad4492edf956aaeab18b
MD5 10035710ef3b2ff8abd5c304e1fae322
SHA1 96e2f3f5435585a5150326917eef3247bd9dadd1
SHA512 d03a6d413a4461a52edafd8818bbbca88b856a213641d57403da9d32303011dc66d71410e5dc083acea31a04924f6120fd3bb28b9d6687633342423115a913d7
SSDEEP 49152:UuI5hRc1DYJjNU3id/fPilfX/Dr8iuqjjL:U5/RcpGNUw/fPi5rQSL
TLSH
T194A5D03FB28B753EE06E5A367A72E210583B7A6165134C1696F4C88CCF254B01E3E797
MD5 SHA1 SHA512 SSDEEP TLSH

windows:6 windows x86 arch:x86

Insecure Codesign Algorithm

File was codesigned using an insecure algorithm.
Inno Setup is an open-source installation builder for Windows applications.

Inno Setup installer

installer

Digest

65:09:1e:8d:be:5f:27:25:47:10:dd:34:ac:58:84:e7:97:18:d6:ed:05:59:db:58:e2:4c:0c:e4:e1:d1:88:a2:b5:ac:c3:8d:b2:5b:46:ee:ba:25:aa:42:60:8c:22:13

Digest Algorithm

sha384

PE Digests Matches

Trusted

Signing Certificate

SERIALNUMBER=A62134341,CN=SOFTONIC INTERNATIONAL SA,O=SOFTONIC INTERNATIONAL SA,ST=Barcelona,C=ES,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024553

Chains

May 20, 2026

SERIALNUMBER=A62134341,CN=SOFTONIC INTERNATIONAL SA,O=SOFTONIC INTERNATIONAL SA,ST=Barcelona,C=ES,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024553

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

SERIALNUMBER=A62134341,CN=SOFTONIC INTERNATIONAL SA,O=SOFTONIC INTERNATIONAL SA,ST=Barcelona,C=ES,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024553

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Serial Number

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

May 25, 2021 - Dec 31, 2028

Subject

CN=Sectigo Public Time Stamping CA R36,O=Sectigo Limited,C=GB

Serial Number

7a:23:ae:da:53:69:96:0f:91:c8:3e:5c:f4:c7:e3:3f

Issuer

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Mar 22, 2021 - Mar 21, 2036

Subject

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Serial Number

33:d7:08:a8:91:40:53:19:e2:a5:bb:d3:39:b9:ad:6e

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Mar 22, 2021 - Mar 21, 2036

Subject

CN=Sectigo Public Time Stamping Signer R36,O=Sectigo Limited,ST=West Yorkshire,C=GB

Serial Number

a4:29:3b:6e:1e:dd:d7:a7:34:08:87:ad:7a:4e:b7:24

Issuer

CN=Sectigo Public Time Stamping CA R36,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature, KeyUsageContentCommitment

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Mar 27, 2025 - Mar 21, 2036

Subject

CN=Sectigo Public Time Stamping Root R46,O=Sectigo Limited,C=GB

Serial Number

36:c2:b0:bd:7c:1b:3a:e7:a3:b3:dd:36:cb:c9:75:68

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Mar 22, 2021 - Jan 18, 2038

Subject

SERIALNUMBER=A62134341,CN=SOFTONIC INTERNATIONAL SA,O=SOFTONIC INTERNATIONAL SA,ST=Barcelona,C=ES,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024553

Serial Number

c3:60:7b:25:10:e7:ab:39:ff:16:c1:99:8b:bf:0c:85

Issuer

CN=Sectigo Public Code Signing CA EV R36,O=Sectigo Limited,C=GB

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Jan 28, 2026 - Jan 28, 2027

Minor OS version

Major OS version

Entry point

728672

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

PDB paths

kernel32

GetACP GetExitCodeProcess CloseHandle LocalFree SizeofResource VirtualProtect QueryPerformanceFrequency VirtualFree GetFullPathNameW GetProcessHeap ExitProcess HeapAlloc GetCPInfoExW CompareStringOrdinal RtlUnwind SetFilePointerEx GetCPInfo GetStdHandle GetModuleHandleW FreeLibrary HeapDestroy ReadFile CreateProcessW GetLastError GetModuleFileNameW SetLastError FindResourceW CreateThread CompareStringW GetFileSizeEx LoadLibraryA ResetEvent GetVolumeInformationW GetVersion GetDriveTypeW RaiseException FormatMessageW SwitchToThread GetExitCodeThread GetCurrentThread LoadLibraryExW LockResource GetCurrentThreadId UnhandledExceptionFilter VirtualQuery VirtualQueryEx Sleep EnterCriticalSection LoadResource SuspendThread GetTickCount GetStartupInfoW GetFileAttributesW GetCurrentDirectoryW InitializeCriticalSection GetSystemWindowsDirectoryW GetThreadPriority SetThreadPriority GetCurrentProcess VirtualAlloc GetCommandLineW GetSystemInfo GetTempPathW LeaveCriticalSection GetProcAddress ResumeThread GetVersionExW VerifyVersionInfoW HeapCreate LCMapStringW VerSetConditionMask GetDiskFreeSpaceW FindFirstFileW GetUserDefaultUILanguage lstrlenW SetEndOfFile QueryPerformanceCounter HeapFree WideCharToMultiByte FindClose MultiByteToWideChar LoadLibraryW SetEvent CreateFileW GetLocaleInfoW GetSystemDirectoryW DeleteFileW GetLocalTime WaitForSingleObject WriteFile ExitThread DeleteCriticalSection TlsGetValue GetDateFormatW IsValidLocale TlsSetValue CreateDirectoryW GetSystemDefaultUILanguage EnumCalendarInfoW LocalAlloc GetUserDefaultLangID RemoveDirectoryW CreateEventW SetThreadLocale GetThreadLocale

comctl32

InitCommonControls

user32

CreateWindowExW TranslateMessage CharLowerBuffW CallWindowProcW CharUpperW PeekMessageW GetSystemMetrics SetWindowLongW MessageBoxW DestroyWindow CharUpperBuffW CharNextW MsgWaitForMultipleObjects LoadStringW ExitWindowsEx DispatchMessageW

oleaut32

SafeArrayPutElement VariantInit VariantClear SysFreeString SafeArrayAccessData SysReAllocStringLen SafeArrayCreate SafeArrayGetElement SysAllocStringLen SafeArrayUnaccessData SafeArrayPtrOfIndex VariantCopy SafeArrayGetUBound SafeArrayGetLBound VariantChangeType

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorW OpenThreadToken AdjustTokenPrivileges LookupPrivilegeValueW RegOpenKeyExW OpenProcessToken FreeSid AllocateAndInitializeSid EqualSid RegQueryValueExW GetTokenInformation ConvertSidToStringSidW RegCloseKey

Name

.text

Size

702KB

Virtual Size

701KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.itext

Size

6KB

Virtual Size

6KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

16KB

Virtual Size

15KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.bss

Size

Virtual Size

28KB

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didata

Size

512B

Virtual Size

420B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.edata

Size

512B

Virtual Size

113B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

Virtual Size

24B

Characteristics

IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

512B

Virtual Size

93B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

72KB

Virtual Size

71KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.rsrc

Size

17KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

teamviewer-15.76.5-installer.exe

kernel32

comctl32

user32

oleaut32

advapi32

generic