pcapd[.]exe | Triage

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General

Target

pcapd.exe
Size

160KB
MD5

055eb550f777355fb70b896f7d17025f
SHA1

b539b687dc49f7e2be10131324224ff9be3d0bd7
SHA256

411dd9b7ee5d8ffd7f9ba2f882f9f159f280690be6e0384db80f41202f9f34d3
SHA512

f08279e37987bf712aba09ebc6b6c418a607c1d5042809fa7f73ddcff5efc7d8e707a29722fd2e4eca723b3080b669b8f1a39899ea9488db88d26f0f79d98b58
SSDEEP

3072:vxgQ6tfDSQckbu3e7AJJtM8aas3ZzRihcUl0P8vmMOcXzVeaQ+Dvz5HPnsh:vSGqfWzMLRo5l0A8s0MDr1g

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

pcapd.exe
.exe windows x86

57e98d9a5a72c8d7ad8fb7a6a58b3daf

Code Sign

70:36:ff:33:6a:58:f8:bc:48:6f:7c:5a:dc:8f:4f:24
Certificate

Issuer

CN=PerformanceBytes,L=Mountain View,ST=California,C=US

Not Before

26/06/2022, 21:00

Not After

27/06/2023, 21:00

Subject

CN=PerformanceBytes,L=Mountain View,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

70:36:ff:33:6a:58:f8:bc:48:6f:7c:5a:dc:8f:4f:24
Certificate

Issuer

CN=PerformanceBytes,L=Mountain View,ST=California,C=US

Not Before

26/06/2022, 21:00

Not After

27/06/2023, 21:00

Subject

CN=PerformanceBytes,L=Mountain View,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

c4:3a:7e:6a:b6:94:f3:25:0e:ce:7c:32:09:98:14:7c:6e:02:df:75:c5:e7:6f:41:67:e1:2f:2d:83:73:a8:08
Signer

Actual PE Digest

c4:3a:7e:6a:b6:94:f3:25:0e:ce:7c:32:09:98:14:7c:6e:02:df:75:c5:e7:6f:41:67:e1:2f:2d:83:73:a8:08

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=PerformanceBytes,L=Mountain View,ST=California,C=US

03/05/2023, 12:04
Valid: false

d7:e9:e2:72:8f:ac:69:52:46:7e:b0:dc:0c:58:78:6d:46:8a:80:5f
Signer

Actual PE Digest

d7:e9:e2:72:8f:ac:69:52:46:7e:b0:dc:0c:58:78:6d:46:8a:80:5f

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=PerformanceBytes,L=Mountain View,ST=California,C=US

03/05/2023, 12:04
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
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

kernel32

SetEnvironmentVariableA
CreateFileA
GetFileSize
GetModuleFileNameA
ReadFile
GetCurrentProcess
CopyFileA
Sleep
GetTickCount
GetWindowsDirectoryA
GetTempPathA
GetCommandLineA
lstrlenA
GetVersion
SetErrorMode
lstrcpynA
ExitProcess
SetCurrentDirectoryA
GlobalLock
CreateThread
GetLastError
CreateDirectoryA
CreateProcessA
RemoveDirectoryA
GetTempFileNameA
WriteFile
lstrcpyA
MoveFileExA
lstrcatA
GetSystemDirectoryA
GetProcAddress
GetExitCodeProcess
WaitForSingleObject
CompareFileTime
SetFileAttributesA
GetFileAttributesA
GetShortPathNameA
MoveFileA
GetFullPathNameA
SetFileTime
SearchPathA
CloseHandle
lstrcmpiA
GlobalUnlock
GetDiskFreeSpaceA
lstrcmpA
FindFirstFileA
FindNextFileA
DeleteFileA
SetFilePointer
GetPrivateProfileStringA
FindClose
MultiByteToWideChar
FreeLibrary
MulDiv
WritePrivateProfileStringA
LoadLibraryExA
GetModuleHandleA
GlobalAlloc
GlobalFree
ExpandEnvironmentStringsA

user32

ScreenToClient
GetSystemMenu
SetClassLongA
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
PostQuitMessage
GetWindowRect
EnableMenuItem
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
ReleaseDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
DrawTextA
EndDialog
RegisterClassA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
ExitWindowsEx
GetDC
CreateDialogParamA
SetTimer
GetDlgItem
SetWindowLongA
SetForegroundWindow
LoadImageA
IsWindow
SendMessageTimeoutA
FindWindowExA
OpenClipboard
TrackPopupMenu
AppendMenuA
EndPaint
DestroyWindow
wsprintfA
ShowWindow
SetWindowTextA

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA

advapi32

AdjustTokenPrivileges
RegCreateKeyExA
RegOpenKeyExA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
RegEnumValueA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 149KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 60KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

57e98d9a5a72c8d7ad8fb7a6a58b3daf

Code Sign

70:36:ff:33:6a:58:f8:bc:48:6f:7c:5a:dc:8f:4f:24Certificate

Extended Key Usages

70:36:ff:33:6a:58:f8:bc:48:6f:7c:5a:dc:8f:4f:24Certificate

Extended Key Usages

c4:3a:7e:6a:b6:94:f3:25:0e:ce:7c:32:09:98:14:7c:6e:02:df:75:c5:e7:6f:41:67:e1:2f:2d:83:73:a8:08Signer

Signature Validations

Verification

03/05/2023, 12:04 Valid: false

d7:e9:e2:72:8f:ac:69:52:46:7e:b0:dc:0c:58:78:6d:46:8a:80:5fSigner

Signature Validations

Verification

03/05/2023, 12:04 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 25KB - Virtual size: 24KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1KB - Virtual size: 149KB

.ndata Size: - Virtual size: 60KB

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

70:36:ff:33:6a:58:f8:bc:48:6f:7c:5a:dc:8f:4f:24
Certificate

70:36:ff:33:6a:58:f8:bc:48:6f:7c:5a:dc:8f:4f:24
Certificate

c4:3a:7e:6a:b6:94:f3:25:0e:ce:7c:32:09:98:14:7c:6e:02:df:75:c5:e7:6f:41:67:e1:2f:2d:83:73:a8:08
Signer

03/05/2023, 12:04
Valid: false

d7:e9:e2:72:8f:ac:69:52:46:7e:b0:dc:0c:58:78:6d:46:8a:80:5f
Signer

03/05/2023, 12:04
Valid: false

.text
Size: 25KB - Virtual size: 24KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1KB - Virtual size: 149KB

.ndata
Size: - Virtual size: 60KB

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