ZoomInstaller[.]exe

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General

Target

ZoomInstaller.exe
Size

12.2MB
MD5

03fb80c4cded881a8f6c21a7712643e1
SHA1

8a6d2fe2cb14400c3ca85958e9aca30274c7b84f
SHA256

5487cf02db06718bb951da1d7f7e778e28aedba65f207d5af7b58fbc212d5e90
SHA512

7dd7b5dcbbb76d2a94481c60902a3b238428f286aa01fac7a1b97756aa76071fa0d0f5718048af8e0cb086435f1916e50176d4dfad779ed597d7b3b17562df76
SSDEEP

393216:Qch2kBJTdPk1SDnezY7ucsuS3fEYueEAIDvV6zD:PlzTgSD7ucsuYueEAwsX

Score

1^/10

Malware Config

Signatures

Files

ZoomInstaller.exe
.exe windows:5 windows x86 arch:x86

3bbe0c6b937abc901bedac7cb8775c67

Code Sign

05:10:c6:b2:ff:7a:b7:1c:78:6e:f5:72:23:9b:12:43
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

14-11-2018 00:00

Not After

06-04-2021 12:00

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

Issuer

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22-10-2014 00:00

Not After

22-10-2024 00:00

Subject

CN=DigiCert Timestamp Responder,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18-04-2012 12:00

Not After

18-04-2027 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

Issuer

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

Not Before

10-11-2006 00:00

Not After

10-11-2021 00:00

Subject

CN=DigiCert Assured ID CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
ExtKeyUsageEmailProtection
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:10:c6:b2:ff:7a:b7:1c:78:6e:f5:72:23:9b:12:43
Certificate

Issuer

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

14-11-2018 00:00

Not After

06-04-2021 12:00

Subject

SERIALNUMBER=4969967,CN=Zoom Video Communications\, Inc.,O=Zoom Video Communications\, Inc.,L=San Jose,ST=California,C=US,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

Issuer

CN=DigiCert High Assurance EV Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

18-04-2012 12:00

Not After

18-04-2027 12:00

Subject

CN=DigiCert EV Code Signing CA (SHA2),OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

Issuer

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

Not Before

01-10-2019 00:00

Not After

17-10-2030 00:00

Subject

CN=TIMESTAMP-SHA256-2019-10-15,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

b2:8f:c4:68:02:b8:68:67:64:0c:a7:dc:0f:13:01:7b:c2:7a:f0:96:db:cc:df:c5:88:24:ab:36:0e:8f:e6:56
Signer

Actual PE Digest

b2:8f:c4:68:02:b8:68:67:64:0c:a7:dc:0f:13:01:7b:c2:7a:f0:96:db:cc:df:c5:88:24:ab:36:0e:8f:e6:56

Digest Algorithm

sha256

PE Digest Matches

true

5d:34:1b:6d:0a:2c:39:d2:40:ea:91:cf:e9:55:c1:ad:6e:81:33:2a
Signer

Actual PE Digest

5d:34:1b:6d:0a:2c:39:d2:40:ea:91:cf:e9:55:c1:ad:6e:81:33:2a

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetLastError
WideCharToMultiByte
MultiByteToWideChar
AreFileApisANSI
LoadLibraryExW
GetModuleFileNameA
GetModuleFileNameW
FormatMessageA
FormatMessageW
LocalFree
GetSystemDirectoryW
SetLastError
CreateFileW
SetFileTime
CloseHandle
SetFileAttributesA
SetFileAttributesW
RemoveDirectoryA
RemoveDirectoryW
GetProcAddress
CreateDirectoryA
CreateDirectoryW
DeleteFileA
DeleteFileW
SetCurrentDirectoryA
SetCurrentDirectoryW
GetCurrentDirectoryA
GetCurrentDirectoryW
GetTempPathA
GetTempPathW
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
FindClose
FindFirstFileA
FindFirstFileW
FindNextFileA
FindNextFileW
GetModuleHandleA
GetFileAttributesA
GetFileAttributesW
CreateFileA
GetFileSize
SetFilePointer
ReadFile
WriteFile
SetEndOfFile
GetFileInformationByHandle
GetStdHandle
WaitForMultipleObjects
Sleep
VirtualFree
VirtualAlloc
GetVersionExA
lstrlenW
lstrcatW
WaitForSingleObject
SetEvent
InitializeCriticalSection
CreateEventA
ResetEvent
GetCommandLineW
CreateProcessA
InterlockedCompareExchange
GetStartupInfoA
GetSystemTimeAsFileTime
QueryPerformanceCounter
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
InterlockedExchange

user32

DestroyWindow
LoadIconA
EndDialog
KillTimer
SetTimer
PostMessageA
SendMessageA
MessageBoxW
DialogBoxParamW
DialogBoxParamA
GetDlgItem
GetWindowLongA
SetWindowLongA
ShowWindow
SetWindowTextW
SetWindowTextA
LoadStringW
LoadStringA
CharUpperA
CharUpperW

shell32

ShellExecuteExA

oleaut32

VariantClear
SysAllocStringLen
SysStringLen

msvcr90

_CxxThrowException
memset
__CxxFrameHandler3
_controlfp_s
_invoke_watson
_decode_pointer
_onexit
_lock
__dllonexit
_unlock
?_type_info_dtor_internal_method@type_info@@QAEXXZ
_except_handler4_common
_crt_debugger_hook
__set_app_type
_encode_pointer
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_configthreadlocale
_initterm_e
_initterm
_acmdln
exit
_ismbblead
_XcptFilter
_exit
_cexit
__getmainargs
_amsg_exit
?terminate@@YAXXZ
_beginthreadex
free
memcmp
memcpy
_purecall
memmove
wcscmp
wcsstr
malloc

Sections

.text
Size: 92KB - Virtual size: 92KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 23KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 37KB - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3bbe0c6b937abc901bedac7cb8775c67

Code Sign

05:10:c6:b2:ff:7a:b7:1c:78:6e:f5:72:23:9b:12:43Certificate

Extended Key Usages

Key Usages

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66Certificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1bCertificate

Extended Key Usages

Key Usages

05:10:c6:b2:ff:7a:b7:1c:78:6e:f5:72:23:9b:12:43Certificate

Extended Key Usages

Key Usages

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5cCertificate

Extended Key Usages

Key Usages

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6dCertificate

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

b2:8f:c4:68:02:b8:68:67:64:0c:a7:dc:0f:13:01:7b:c2:7a:f0:96:db:cc:df:c5:88:24:ab:36:0e:8f:e6:56Signer

5d:34:1b:6d:0a:2c:39:d2:40:ea:91:cf:e9:55:c1:ad:6e:81:33:2aSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

oleaut32

msvcr90

Sections

.text Size: 92KB - Virtual size: 92KB

.rdata Size: 23KB - Virtual size: 22KB

.data Size: 3KB - Virtual size: 12KB

.rsrc Size: 37KB - Virtual size: 37KB

05:10:c6:b2:ff:7a:b7:1c:78:6e:f5:72:23:9b:12:43
Certificate

03:01:9a:02:3a:ff:58:b1:6b:d6:d5:ea:e6:17:f0:66
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

06:fd:f9:03:96:03:ad:ea:00:0a:eb:3f:27:bb:ba:1b
Certificate

05:10:c6:b2:ff:7a:b7:1c:78:6e:f5:72:23:9b:12:43
Certificate

03:f1:b4:e1:5f:3a:82:f1:14:96:78:b3:d7:d8:47:5c
Certificate

04:cd:3f:85:68:ae:76:c6:1b:b0:fe:71:60:cc:a7:6d
Certificate

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

b2:8f:c4:68:02:b8:68:67:64:0c:a7:dc:0f:13:01:7b:c2:7a:f0:96:db:cc:df:c5:88:24:ab:36:0e:8f:e6:56
Signer

5d:34:1b:6d:0a:2c:39:d2:40:ea:91:cf:e9:55:c1:ad:6e:81:33:2a
Signer

.text
Size: 92KB - Virtual size: 92KB

.rdata
Size: 23KB - Virtual size: 22KB

.data
Size: 3KB - Virtual size: 12KB

.rsrc
Size: 37KB - Virtual size: 37KB