siinst[.]exe | Triage

Resubmissions

19/09/2024, 16:27

240919-tylsrsybmg 7

19/09/2024, 16:24

240919-twt2csyejp 7

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General

Target

siinst.exe
Size

3.7MB
MD5

18bc238bf7ca4f9dad610604b857180a
SHA1

c4a46c5883762368c24d3e944f409aad54c3bf31
SHA256

e7c2536efb15b2137c4f4c07a94ebe37d396cee2fff0dffe14bdbe4f8254e9db
SHA512

b56853230ebf2123085648a65b27a510977302cdc6af18538ee39c0b71d93f3ec5901b56e5a0481e97f7138faf01f31cc7076c7ee91a75f4d177d79f4d3f65d7
SSDEEP

98304:6Yh+e+XdXD7IJkTi6PP4At/bgc50dPV5qnY:6Yke+NvIkz9/brOdPVcY

Score

1^/10

Malware Config

Signatures

Files

siinst.exe
.exe windows:5 windows x86 arch:x86

48aa5c8931746a9655524f67b25a47ef

Code Sign

9d:94:df:2e:07:55:39:eb:e7:f0:aa:f2:71:35:a5:33
Certificate

Issuer

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

20/07/2020, 00:00

Not After

18/08/2022, 23:59

Subject

CN=Softdeluxe Ltd.,O=Softdeluxe Ltd.,POSTALCODE=141980,STREET=Universitetskaya St.\, 19,L=Dubna,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

Issuer

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

Not Before

12/03/2019, 00:00

Not After

31/12/2028, 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

Issuer

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

Not Before

02/11/2018, 00:00

Not After

31/12/2030, 23:59

Subject

CN=Sectigo RSA Code Signing CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

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

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

Issuer

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

Not Before

11/05/2022, 00:00

Not After

10/08/2033, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #3,O=Sectigo Limited,ST=Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

c9:44:0e:c9:c9:61:26:27:67:c1:fe:ba:97:46:94:c5:ad:55:51:d6
Signer

Actual PE Digest

c9:44:0e:c9:c9:61:26:27:67:c1:fe:ba:97:46:94:c5:ad:55:51:d6

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI

Imports

oleaut32

SysFreeString
SysReAllocStringLen
SysAllocStringLen

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges

user32

GetKeyboardType
LoadStringW
MessageBoxA
CharNextW
CreateWindowExW
TranslateMessage
SetWindowLongW
PeekMessageW
MsgWaitForMultipleObjects
MessageBoxW
LoadStringW
GetSystemMetrics
ExitWindowsEx
DispatchMessageW
DestroyWindow
CharUpperBuffW
CallWindowProcW

kernel32

GetACP
Sleep
VirtualFree
VirtualAlloc
GetSystemInfo
GetTickCount
QueryPerformanceCounter
GetVersion
GetCurrentThreadId
VirtualQuery
WideCharToMultiByte
MultiByteToWideChar
lstrlenW
lstrcpynW
LoadLibraryExW
GetThreadLocale
GetStartupInfoA
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLocaleInfoW
GetCommandLineW
FreeLibrary
FindFirstFileW
FindClose
ExitProcess
WriteFile
UnhandledExceptionFilter
RtlUnwind
RaiseException
GetStdHandle
CloseHandle
TlsSetValue
TlsGetValue
LocalAlloc
GetModuleHandleW
WriteFile
WideCharToMultiByte
WaitForSingleObject
VirtualQuery
VirtualProtect
VirtualFree
VirtualAlloc
SizeofResource
SignalObjectAndWait
SetLastError
SetFilePointer
SetEvent
SetErrorMode
SetEndOfFile
ResetEvent
RemoveDirectoryW
ReadFile
MultiByteToWideChar
LockResource
LoadResource
LoadLibraryW
GetWindowsDirectoryW
GetVersionExW
GetUserDefaultLangID
GetThreadLocale
GetSystemInfo
GetStdHandle
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLocaleInfoW
GetLastError
GetFullPathNameW
GetFileSize
GetFileAttributesW
GetExitCodeProcess
GetEnvironmentVariableW
GetDiskFreeSpaceW
GetCurrentProcess
GetCommandLineW
GetCPInfo
InterlockedExchange
InterlockedCompareExchange
FreeLibrary
FormatMessageW
FindResourceW
EnumCalendarInfoW
DeleteFileW
CreateProcessW
CreateFileW
CreateEventW
CreateDirectoryW
CloseHandle
Sleep

comctl32

InitCommonControls

Sections

.text
Size: 60KB - Virtual size: 60KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 21KB

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: - Virtual size: 8B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

48aa5c8931746a9655524f67b25a47ef

Code Sign

9d:94:df:2e:07:55:39:eb:e7:f0:aa:f2:71:35:a5:33Certificate

Extended Key Usages

Key Usages

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95Certificate

Key Usages

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6aCertificate

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

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43Certificate

Extended Key Usages

Key Usages

c9:44:0e:c9:c9:61:26:27:67:c1:fe:ba:97:46:94:c5:ad:55:51:d6Signer

Headers

DLL Characteristics

File Characteristics

Imports

oleaut32

advapi32

user32

kernel32

comctl32

Sections

.text Size: 60KB - Virtual size: 60KB

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

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

.bss Size: - Virtual size: 21KB

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

.tls Size: - Virtual size: 8B

.rdata Size: 512B - Virtual size: 24B

.rsrc Size: 44KB - Virtual size: 44KB

9d:94:df:2e:07:55:39:eb:e7:f0:aa:f2:71:35:a5:33
Certificate

39:72:44:3a:f9:22:b7:51:d7:d3:6c:10:dd:31:35:95
Certificate

1d:a2:48:30:6f:9b:26:18:d0:82:e0:96:7d:33:d3:6a
Certificate

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

90:39:7f:9a:d2:4a:3a:13:f2:bd:91:5f:08:38:a9:43
Certificate

c9:44:0e:c9:c9:61:26:27:67:c1:fe:ba:97:46:94:c5:ad:55:51:d6
Signer

.text
Size: 60KB - Virtual size: 60KB

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

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

.bss
Size: - Virtual size: 21KB

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

.tls
Size: - Virtual size: 8B

.rdata
Size: 512B - Virtual size: 24B

.rsrc
Size: 44KB - Virtual size: 44KB