fshoster32[.]exe

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General

Target

fshoster32.exe
Size

106KB
MD5

7a57028f1c180380a217681bf019d730
SHA1

e547982980055393585795ea7b7ff4065d4d0652
SHA256

c0ebe879179ad24cf0103cbdb2c600f69f6c04d09b2e2ae25150981251f970e6
SHA512

ce99974e58748bcb82f8d781a81e97743989ebe9732dedce67d347f2d84d9eade6640be2dd034d70254eeb5961b46d84e113b310e379ee0222bb10ee18837d6b
SSDEEP

3072:A7DPf0TG4uKJ6YkiGbWdEEJtacTCCQOMv8HbUH4Yl+arL3:A7r+NpGbW52cT7QOMkHbY/n

Score

1^/10

Malware Config

Signatures

Files

fshoster32.exe
.zip

Password: DsUjmlG885/kkmS
Device/HarddiskVolume4/Program Files (x86)/ROL Secure/fshoster32.exe
.exe windows x86

Password: DsUjmlG885/kkmS

e898c1c04f05810e52a63c99918d4fb3

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

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

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0f:ce:9e:0e:c9:d2:71:3f:0d:21:c2:31:9d:31:0a:60
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

22/06/2022, 00:00

Not After

21/06/2025, 23:59

Subject

SERIALNUMBER=0705579-2,CN=F-Secure Corporation,O=F-Secure Corporation,L=Helsinki,C=FI,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024649

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

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

Not Before

21/09/2022, 00:00

Not After

21/11/2033, 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,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

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

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

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

8c:e2:c6:b8:9e:14:b2:36:e2:0c:19:5a:46:7b:5b:ac:bf:fb:ea:09:98:5c:75:e8:98:4e:69:f3:42:92:1c:49
Signer

Actual PE Digest

8c:e2:c6:b8:9e:14:b2:36:e2:0c:19:5a:46:7b:5b:ac:bf:fb:ea:09:98:5c:75:e8:98:4e:69:f3:42:92:1c:49

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=0705579-2,CN=F-Secure Corporation,O=F-Secure Corporation,L=Helsinki,C=FI,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024649

03/11/2022, 08:16
Valid: true

Chain 1

SERIALNUMBER=0705579-2,CN=F-Secure Corporation,O=F-Secure Corporation,L=Helsinki,C=FI,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024649

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

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

Chain 2

SERIALNUMBER=0705579-2,CN=F-Secure Corporation,O=F-Secure Corporation,L=Helsinki,C=FI,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e,1.3.6.1.4.1.311.60.2.1.3=#13024649

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,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

WideCharToMultiByte
CreateDirectoryW
DeleteFileW
FindClose
FindFirstFileW
GetFileAttributesW
RemoveDirectoryW
GetSystemDirectoryW
GetModuleFileNameW
MoveFileExW
LocalFree
SetLastError
CreateProcessW
ExpandEnvironmentStringsW
OutputDebugStringA
GetSystemTime
GetLocalTime
GetTimeZoneInformation
MultiByteToWideChar
ReadFile
SetFilePointerEx
WriteFile
ReleaseMutex
GetTickCount64
HeapAlloc
HeapFree
GetProcessHeap
OpenMutexW
ReleaseSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockExclusive
AcquireSRWLockShared
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
WaitForSingleObjectEx
UnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
SwitchToThread
ApplicationRecoveryFinished
ApplicationRecoveryInProgress
RegisterApplicationRecoveryCallback
LoadLibraryExW
GetModuleHandleW
GetCurrentThreadId
CreateThread
Sleep
SetErrorMode
GlobalFindAtomW
SetUnhandledExceptionFilter
FlushFileBuffers
CreateFileW
GetCurrentProcess
RaiseException
FreeLibrary
GetProcAddress
LoadLibraryW
SetEvent
ResetEvent
TerminateProcess
WaitForSingleObject
WaitForMultipleObjects
CreateEventW
GetCommandLineW
CreateMutexW
CloseHandle
GetLastError
GetCurrentProcessId
ProcessIdToSessionId
GlobalDeleteAtom
GlobalAddAtomW
GetFileInformationByHandle

user32

RegisterClassExW
GetWindowLongW
CreateWindowExW
PeekMessageW
GetMessageW
PostMessageW
IsDialogMessageW
TranslateMessage
DispatchMessageW
UnregisterClassW
DestroyWindow
PostQuitMessage
DefWindowProcW
UnregisterDeviceNotification
SetWindowLongW
RegisterDeviceNotificationW

advapi32

RegEnumKeyExW
GetSidSubAuthorityCount
GetSidSubAuthority
ConvertStringSecurityDescriptorToSecurityDescriptorA
ConvertSidToStringSidW
GetTokenInformation
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
OpenProcessToken
RegDeleteTreeW
RegSetValueExW
RegQueryValueExW
RegOpenKeyExW
RegEnumValueW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegCloseKey
ChangeServiceConfig2W
OpenServiceW
OpenSCManagerW
SetServiceStatus
RegisterServiceCtrlHandlerExW
StartServiceCtrlDispatcherW
CloseServiceHandle

ole32

CoCreateInstance
CoInitializeEx
CoUninitialize

msvcp140

_Thrd_sleep
_Cnd_do_broadcast_at_thread_exit
?_Xlength_error@std@@YAXPBD@Z
?_Xbad_function_call@std@@YAXXZ
_Xtime_get_ticks
_Cnd_init_in_situ
_Cnd_destroy_in_situ
_Mtx_lock
?_Throw_C_error@std@@YAXH@Z
_Mtx_unlock
_Cnd_broadcast
_Mtx_destroy_in_situ
_Mtx_init_in_situ
_Cnd_wait
?_Throw_Cpp_error@std@@YAXH@Z
_Thrd_join
_Thrd_id
?_Xout_of_range@std@@YAXPBD@Z
_Query_perf_counter
_Query_perf_frequency
_Cnd_timedwait
_Mtx_current_owns

msvcp140_atomic_wait

__std_atomic_wait_direct
__std_atomic_notify_all_direct

vcruntime140

_except_handler4_common
__current_exception_context
__current_exception
memchr
memset
memmove
memcpy
_CxxThrowException
_set_purecall_handler
_purecall
__std_exception_destroy
__std_exception_copy
__std_terminate
__CxxFrameHandler3

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

_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_register_onexit_function
_configure_wide_argv
_initialize_wide_environment
_get_wide_winmain_command_line
_initterm
_initterm_e
exit
_exit
terminate
_c_exit
_register_thread_local_exe_atexit_callback
_initialize_onexit_table
_beginthreadex
_controlfp_s
_set_invalid_parameter_handler
signal
_invalid_parameter_noinfo_noreturn

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

_set_new_mode
free
_callnewh
malloc

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

__p__commode
__stdio_common_vsnwprintf_s
__stdio_common_vsnprintf_s
__stdio_common_vswprintf_s
_set_fmode

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

_wcsicmp
towupper
tolower
strncpy_s

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

_wtoi

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 169KB - Virtual size: 169KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 40KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
manifest.json

Sharing

General

Malware Config

Signatures

Files

Password: DsUjmlG885/kkmS

Password: DsUjmlG885/kkmS

e898c1c04f05810e52a63c99918d4fb3

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0f:ce:9e:0e:c9:d2:71:3f:0d:21:c2:31:9d:31:0a:60Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

8c:e2:c6:b8:9e:14:b2:36:e2:0c:19:5a:46:7b:5b:ac:bf:fb:ea:09:98:5c:75:e8:98:4e:69:f3:42:92:1c:49Signer

Signature Validations

Verification

03/11/2022, 08:16 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

ole32

msvcp140

msvcp140_atomic_wait

vcruntime140

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

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

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

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

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

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

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

Sections

.text Size: 169KB - Virtual size: 169KB

.rdata Size: 40KB - Virtual size: 40KB

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

.rsrc Size: 3KB - Virtual size: 3KB

.reloc Size: 9KB - Virtual size: 9KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0f:ce:9e:0e:c9:d2:71:3f:0d:21:c2:31:9d:31:0a:60
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

8c:e2:c6:b8:9e:14:b2:36:e2:0c:19:5a:46:7b:5b:ac:bf:fb:ea:09:98:5c:75:e8:98:4e:69:f3:42:92:1c:49
Signer

03/11/2022, 08:16
Valid: true

.text
Size: 169KB - Virtual size: 169KB

.rdata
Size: 40KB - Virtual size: 40KB

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

.rsrc
Size: 3KB - Virtual size: 3KB

.reloc
Size: 9KB - Virtual size: 9KB