Static task
static1
Behavioral task
behavioral1
Sample
PCBoost.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
PCBoost.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
SScanner.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
SScanner.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
uninst.exe
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
uninst.exe
Resource
win10v2004-20231215-en
General
-
Target
5f74df5871972c90f0404802c3cbc5ee.rar
-
Size
287KB
-
MD5
5f74df5871972c90f0404802c3cbc5ee
-
SHA1
d2401e9343a3acd37bb2b98d0afd11302cfb4891
-
SHA256
963ed0909e317cbef3063bb417ecab92d3b95c4577409f1745cf5f81cffee318
-
SHA512
e6f797dbf99332e8231ce1061f0bc63413facbc208939f362713871427c047b823ba9304435257c3a381b59d90cbd5021962236b4c44558b5580d4b3148e502d
-
SSDEEP
6144:F2UJVwAc+kifLAwqNACzrGfLh1RmqifzwBvjH1c+qhFu:IUBEaLQhifKfzwnchFu
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/PCBoost.exe unpack001/uninst.exe -
NSIS installer 2 IoCs
resource yara_rule static1/unpack001/uninst.exe nsis_installer_1 static1/unpack001/uninst.exe nsis_installer_2
Files
-
5f74df5871972c90f0404802c3cbc5ee.rar.rar
-
PCBoost.exe.exe windows:5 windows x86 arch:x86
0ebb3c09b06b1666d307952e824c8697
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
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_32BIT_MACHINE
Imports
advapi32
FreeSid
AllocateAndInitializeSid
EqualSid
GetTokenInformation
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueA
RegCloseKey
RegDeleteValueA
RegOpenKeyExA
RegSetValueExA
RegQueryValueExA
RegCreateKeyExA
RegQueryInfoKeyA
kernel32
LocalFree
LocalAlloc
GetLastError
GetCurrentProcess
lstrlenA
GetModuleFileNameA
GetSystemDirectoryA
_lclose
_llseek
_lopen
WritePrivateProfileStringA
GetWindowsDirectoryA
CreateDirectoryA
GetFileAttributesA
ExpandEnvironmentStringsA
lstrcpyA
GlobalFree
GlobalUnlock
GlobalLock
GlobalAlloc
IsDBCSLeadByte
GetShortPathNameA
GetPrivateProfileStringA
GetPrivateProfileIntA
lstrcmpiA
RemoveDirectoryA
FindClose
FindNextFileA
DeleteFileA
SetFileAttributesA
lstrcmpA
FindFirstFileA
FreeResource
GetProcAddress
LoadResource
SizeofResource
FindResourceA
lstrcatA
CloseHandle
WriteFile
SetFilePointer
SetFileTime
LocalFileTimeToFileTime
DosDateTimeToFileTime
SetCurrentDirectoryA
GetTempFileNameA
ExitProcess
CreateFileA
LoadLibraryExA
lstrcpynA
GetVolumeInformationA
FormatMessageA
GetCurrentDirectoryA
GetVersionExA
GetExitCodeProcess
WaitForSingleObject
CreateProcessA
GetTempPathA
GetSystemInfo
CreateMutexA
SetEvent
CreateEventA
CreateThread
ResetEvent
TerminateThread
GetDriveTypeA
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
QueryPerformanceCounter
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
ReadFile
LoadLibraryA
GetDiskFreeSpaceA
MulDiv
EnumResourceLanguagesA
FreeLibrary
LockResource
gdi32
GetDeviceCaps
user32
ExitWindowsEx
wsprintfA
CharNextA
CharUpperA
CharPrevA
SetWindowLongA
GetWindowLongA
CallWindowProcA
DispatchMessageA
MsgWaitForMultipleObjects
PeekMessageA
SendMessageA
SetWindowPos
ReleaseDC
GetDC
GetWindowRect
SendDlgItemMessageA
GetDlgItem
SetForegroundWindow
SetWindowTextA
MessageBoxA
DialogBoxIndirectParamA
ShowWindow
EnableWindow
GetDlgItemTextA
EndDialog
GetDesktopWindow
MessageBeep
SetDlgItemTextA
LoadStringA
GetSystemMetrics
comctl32
ord17
version
GetFileVersionInfoA
VerQueryValueA
GetFileVersionInfoSizeA
Sections
.text Size: 38KB - Virtual size: 38KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 250KB - Virtual size: 252KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
-
SScanner.dll.dll windows:4 windows x86 arch:x86
55b27f26bb05ba2637bbb54bb2824351
Code Sign
01Certificate
IssuerCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6dNot Before01-08-1996 00:00Not After31-12-2020 23:59SubjectCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6d0aCertificate
IssuerCN=Thawte Premium Server CA,OU=Certification Services Division,O=Thawte Consulting cc,L=Cape Town,ST=Western Cape,C=ZA,1.2.840.113549.1.9.1=#0c197072656d69756d2d736572766572407468617774652e636f6dNot Before06-08-2003 00:00Not After05-08-2013 23:59SubjectCN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZAExtended Key Usages
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate
IssuerCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USNot Before15-06-2007 00:00Not After14-06-2012 23:59SubjectCN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate
IssuerCN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZANot Before04-12-2003 00:00Not After03-12-2013 23:59SubjectCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
2c:fb:c2:fa:fd:4d:b3:60:fd:52:ce:64:fe:f4:57:72Certificate
IssuerCN=Thawte Code Signing CA,O=Thawte Consulting (Pty) Ltd.,C=ZANot Before20-10-2008 08:01Not After20-10-2010 08:01SubjectCN=ShenZhen DaChengTianXia Information Technology Co.\, Ltd.,OU=Secure Application Development,O=ShenZhen DaChengTianXia Information Technology Co.\, Ltd.,L=ShenZhen,ST=GuangDong,C=CNExtended Key Usages
ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
Imports
wininet
InternetOpenA
InternetOpenUrlA
InternetReadFile
InternetCloseHandle
mfc42
ord5199
ord2396
ord3346
ord5300
ord5302
ord2725
ord4079
ord4698
ord5307
ord5289
ord5714
ord3953
ord2982
ord3147
ord3259
ord4465
ord3136
ord3262
ord2985
ord3081
ord2976
ord3830
ord3831
ord3825
ord3079
ord4080
ord4622
ord4424
ord3738
ord561
ord825
ord815
ord823
ord800
ord1089
ord6877
ord538
ord941
ord540
ord6928
ord860
ord342
ord1182
ord1243
ord1197
ord1570
ord1253
ord1255
ord6467
ord1578
ord600
ord826
ord269
ord3922
ord5731
ord2512
ord2554
ord4486
ord6375
ord4274
ord1168
ord1575
ord1176
ord1116
ord2915
ord1577
msvcrt
malloc
free
tolower
exit
_except_handler3
__dllonexit
_onexit
?terminate@@YAXXZ
_initterm
_adjust_fdiv
??1type_info@@UAE@XZ
memchr
memmove
strncpy
strchr
strpbrk
sprintf
printf
_strnicmp
strstr
_strlwr
strncmp
atoi
__CxxFrameHandler
kernel32
InterlockedIncrement
CreateThread
Sleep
LeaveCriticalSection
EnterCriticalSection
InterlockedDecrement
InitializeCriticalSection
DeleteCriticalSection
LocalFree
LocalAlloc
CloseHandle
VirtualProtect
ExitProcess
msvcp60
?max_size@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIXZ
?_Split@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXXZ
?_Xran@std@@YAXXZ
??8std@@YA_NABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@0@Z
?_Freeze@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXXZ
?erase@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@II@Z
?substr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBE?AV12@II@Z
?append@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBDI@Z
?rfind@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIPBDII@Z
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@ABV?$allocator@D@1@@Z
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBDI@Z
?_Xlen@std@@YAXXZ
?_Copy@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXI@Z
??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@ABV12@II@Z
?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB
?find@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEIPBDII@Z
?_C@?1??_Nullstr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@CAPBDXZ@4DB
?_Eos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXI@Z
?_Grow@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAE_NI_N@Z
?_Tidy@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEX_N@Z
Exports
Exports
SS_SDK_Close
SS_SDK_Init
SS_SDK_Scan
SS_SDK_SetConfig
Sections
.text Size: - Virtual size: 77KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 2.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.SuCop0 Size: - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.SuCop1 Size: - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.SuCop2 Size: 92KB - Virtual size: 91KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
sitew.lib
-
uninst.exe.exe windows:4 windows x86 arch:x86
7fa974366048f9c551ef45714595665e
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CompareFileTime
SearchPathA
GetShortPathNameA
GetFullPathNameA
MoveFileA
SetCurrentDirectoryA
GetFileAttributesA
GetLastError
CreateDirectoryA
SetFileAttributesA
Sleep
GetTickCount
GetFileSize
GetModuleFileNameA
GetCurrentProcess
CopyFileA
ExitProcess
GetWindowsDirectoryA
SetFileTime
GetCommandLineA
SetErrorMode
LoadLibraryA
lstrcpynA
GetDiskFreeSpaceA
GlobalUnlock
GlobalLock
CreateThread
CreateProcessA
RemoveDirectoryA
CreateFileA
GetTempFileNameA
lstrlenA
lstrcatA
GetSystemDirectoryA
GetVersion
CloseHandle
lstrcmpiA
lstrcmpA
ExpandEnvironmentStringsA
GlobalFree
GlobalAlloc
WaitForSingleObject
GetExitCodeProcess
GetModuleHandleA
LoadLibraryExA
GetProcAddress
FreeLibrary
MultiByteToWideChar
WritePrivateProfileStringA
GetPrivateProfileStringA
WriteFile
ReadFile
MulDiv
SetFilePointer
FindClose
FindNextFileA
FindFirstFileA
DeleteFileA
GetTempPathA
user32
EndDialog
ScreenToClient
GetWindowRect
EnableMenuItem
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
RegisterClassA
TrackPopupMenu
AppendMenuA
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
DestroyWindow
CreateDialogParamA
SetTimer
SetWindowTextA
PostQuitMessage
SetForegroundWindow
wsprintfA
SendMessageTimeoutA
FindWindowExA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
OpenClipboard
ExitWindowsEx
IsWindow
GetDlgItem
SetWindowLongA
LoadImageA
GetDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
EndPaint
ShowWindow
gdi32
SetBkColor
GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SelectObject
shell32
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation
advapi32
RegQueryValueExA
RegSetValueExA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA
comctl32
ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create
ole32
CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance
version
GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA
Sections
.text Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 107KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ndata Size: - Virtual size: 40KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
-
update.ini
-
许可协议.txt
-
许可协议2.txt