Office Tool Plus[.]exe

Sharing

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General

Target

Office Tool Plus.exe
Size

5.6MB
MD5

17bdebbe3b38aef73a080ecfd690629a
SHA1

c36332e7b45b3bab558e3701ecd60f8a5b5e190d
SHA256

df8e5f20740ded4225e04fb6c6f55ed65e0aa14c17f3d7b49d1ad4daf76ea0a1
SHA512

8ed62a70afd9c7d531ca45a9d0b3575e601d9598feb412c6a1f83edae58bec9da9b4d0dc78a1460a78fbdb15a9bb395e93d4eadc24ce7ee9c6259ccdd9203297
SSDEEP

98304:P/qT9zBaXJqiuGNpTF0AD4x5WTA72zNfd5:6na5XuGTTF0ADcAAS

Score

1^/10

Malware Config

Signatures

Files

Office Tool Plus.exe
.exe windows x86

abb963c2f0c00e1388a3b7ece6133473

Code Sign

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

Issuer

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

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

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

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7e:41:41:a5:65:66:98:fb:9f:0c:d6:a7:e3:8e:c9:f1
Certificate

Issuer

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

Not Before

09/07/2021, 00:00

Not After

09/07/2022, 23:59

Subject

CN=Yerong Lai,O=Yerong Lai,L=桂平市,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

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

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

23/10/2020, 00:00

Not After

22/01/2032, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #2,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

76:41:e8:92:1d:35:8e:32:e0:db:47:52:54:3a:ec:cb:d6:e7:98:d4:a9:db:ed:d3:8f:65:20:c5:4b:90:95:9e
Signer

Actual PE Digest

76:41:e8:92:1d:35:8e:32:e0:db:47:52:54:3a:ec:cb:d6:e7:98:d4:a9:db:ed:d3:8f:65:20:c5:4b:90:95:9e

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Yerong Lai,O=Yerong Lai,L=桂平市,C=CN

02/02/2023, 17:54
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
GetEnvironmentVariableW
FindClose
MultiByteToWideChar
GetLastError
GetFileAttributesExW
GetFullPathNameW
GetProcAddress
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
LoadLibraryExW
FreeLibrary
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
EnterCriticalSection
FindFirstFileExW
OutputDebugStringW
LoadLibraryA
GetModuleHandleW
InitializeCriticalSectionAndSpinCount
SetLastError
RaiseException
RtlUnwind
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetStringTypeW

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey

api-ms-win-crt-runtime-l1-1-0

_invalid_parameter_noinfo_noreturn
_register_onexit_function
_controlfp_s
_crt_atexit
_configure_wide_argv
_initialize_wide_environment
_get_initial_wide_environment
_initialize_onexit_table
_initterm
_initterm_e
_errno
_cexit
_set_app_type
terminate
_exit
exit
__p___argc
__p___wargv
_seh_filter_exe
abort
_c_exit
_register_thread_local_exe_atexit_callback

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vswprintf
__stdio_common_vfwprintf
_set_fmode
fflush
__stdio_common_vsprintf_s
fputws
__p__commode
fputwc
setvbuf
__acrt_iob_func
_wfopen

api-ms-win-crt-heap-l1-1-0

calloc
_callnewh
_set_new_mode
free
malloc

api-ms-win-crt-string-l1-1-0

_wcsdup
strcpy_s
wcsnlen
strcspn
wcsncmp

api-ms-win-crt-convert-l1-1-0

_wtoi
wcstoul

api-ms-win-crt-locale-l1-1-0

_lock_locales
___mb_cur_max_func
___lc_codepage_func
___lc_locale_name_func
__pctype_func
setlocale
_unlock_locales
_configthreadlocale
localeconv

api-ms-win-crt-math-l1-1-0

__setusermatherr
frexp

api-ms-win-crt-time-l1-1-0

_time64
wcsftime
_gmtime64

Sections

.text
Size: 62KB - Virtual size: 61KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 115KB - Virtual size: 114KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

abb963c2f0c00e1388a3b7ece6133473

Code Sign

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

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

7e:41:41:a5:65:66:98:fb:9f:0c:d6:a7:e3:8e:c9:f1Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6bCertificate

Extended Key Usages

Key Usages

76:41:e8:92:1d:35:8e:32:e0:db:47:52:54:3a:ec:cb:d6:e7:98:d4:a9:db:ed:d3:8f:65:20:c5:4b:90:95:9eSigner

Signature Validations

Verification

02/02/2023, 17:54 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-time-l1-1-0

Sections

.text Size: 62KB - Virtual size: 61KB

.rdata Size: 26KB - Virtual size: 26KB

.data Size: 2KB - Virtual size: 3KB

.rsrc Size: 115KB - Virtual size: 114KB

.reloc Size: 4KB - Virtual size: 3KB

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

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

7e:41:41:a5:65:66:98:fb:9f:0c:d6:a7:e3:8e:c9:f1
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

76:41:e8:92:1d:35:8e:32:e0:db:47:52:54:3a:ec:cb:d6:e7:98:d4:a9:db:ed:d3:8f:65:20:c5:4b:90:95:9e
Signer

02/02/2023, 17:54
Valid: false

.text
Size: 62KB - Virtual size: 61KB

.rdata
Size: 26KB - Virtual size: 26KB

.data
Size: 2KB - Virtual size: 3KB

.rsrc
Size: 115KB - Virtual size: 114KB

.reloc
Size: 4KB - Virtual size: 3KB