Cap-nhat-he-thong[.]exe

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General

Target

Cap-nhat-he-thong.exe
Size

468KB
MD5

57aa47b2cb3b6ca36e2324f90c98278d
SHA1

ac37be21d3c328dfdec08b6b3b7a4fe9b1457bc7
SHA256

eb7b02bf6efecb1afe5ced01461408ee127020982817584478921ae0fe5feb09
SHA512

a8c3004a6ea524625d8500b22419f29723e3accd5f2a3931d26d5c5582f8fc32a500b7e8561c75c5b9fa04e41078cf4d55c15fbb9a84c991144f60c73df29670
SSDEEP

3072:4kBGWOsTIJgIDU5A/cNo68pMABlZQ2wpFD0ra42L5GYDxJ0y:41ssjH5Mp2w7g+42LUS

Score

3^/10

Malware Config

Signatures

Unsigned PE 3 IoCs

Checks for missing Authenticode signature.

resource
unpack001/$PLUGINSDIR/INetC.dll
unpack001/$PLUGINSDIR/System.dll
unpack001/$PLUGINSDIR/nsProcess.dll

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

Cap-nhat-he-thong.exe
.exe windows:4 windows x86 arch:x86

5f0c714c36e6cc016b3a1f4bc86559e4

Code Sign

Certificate

Issuer

CN=Thinkst Root CA,OU=Thinkst Applied Research CA,O=Thinkst Applied Research,C=ZA

Not Before

15/03/2024, 22:11

Not After

15/03/2034, 22:11

Subject

CN=Microsoft Windows,O=Microsoft Corporation,C=US

Extended Key Usages

ExtKeyUsageServerAuth
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageKeyEncipherment
KeyUsageDataEncipherment
KeyUsageKeyAgreement

34:6e:f9:3a:20:9f:1c:9a:3b:5e:08:d1:a4:4d:d6:44:c4:55:83:1c:06:b5:4a:ef:f1:94:3f:b6:1f:72:c6:b1
Signer

Actual PE Digest

34:6e:f9:3a:20:9f:1c:9a:3b:5e:08:d1:a4:4d:d6:44:c4:55:83:1c:06:b5:4a:ef:f1:94:3f:b6:1f:72:c6:b1

Digest Algorithm

sha256

PE Digest Matches

true

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

advapi32

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

shell32

SHGetFileInfoA
SHFileOperationA
SHGetPathFromIDListA
ShellExecuteExA
SHGetSpecialFolderLocation
SHBrowseForFolderA

ole32

IIDFromString
OleInitialize
OleUninitialize
CoCreateInstance
CoTaskMemFree

comctl32

ord17
ImageList_Create
ImageList_Destroy
ImageList_AddMasked

user32

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

gdi32

SetBkMode
SetBkColor
GetDeviceCaps
CreateFontIndirectA
CreateBrushIndirect
DeleteObject
SetTextColor
SelectObject

kernel32

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

Sections

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

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: 44KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 404KB - Virtual size: 404KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$PLUGINSDIR/INetC.dll
.dll windows:4 windows x86 arch:x86

8e4c63f70f7cc6490634d743e795c93e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

TerminateThread
CreateThread
LocalAlloc
lstrcpyA
WaitForSingleObject
MulDiv
ReadFile
GetModuleHandleA
SleepEx
lstrcatA
GetTickCount
CreateFileA
GetFileSize
DeleteFileA
lstrcmpA
lstrcmpiA
SetFilePointer
WriteFile
GetProcAddress
CloseHandle
lstrlenA
LoadLibraryA
lstrcpynA
LocalFree
GlobalAlloc
GlobalFree
GetLastError
WideCharToMultiByte

user32

LoadIconA
SystemParametersInfoA
GetWindowLongA
GetParent
MessageBoxA
DispatchMessageA
SetWindowLongA
KillTimer
PostMessageA
IsWindow
GetWindowTextA
ShowWindow
SendDlgItemMessageA
TranslateMessage
IsDialogMessageA
CreateDialogParamA
SetDlgItemTextA
GetWindowRect
SetWindowPos
SetTimer
SendMessageA
RedrawWindow
GetClientRect
EnableWindow
FindWindowExA
UpdateWindow
GetMessageA
GetDlgItem
wsprintfA
DestroyWindow
SetWindowTextA
IsWindowVisible

comctl32

ord17

wininet

InternetSetOptionA
InternetQueryOptionA
FtpCreateDirectoryA
InternetConnectA
InternetWriteFile
FtpOpenFileA
InternetSetFilePointer
HttpEndRequestA
HttpAddRequestHeadersA
HttpSendRequestA
InternetGetLastResponseInfoA
InternetOpenA
InternetCrackUrlA
HttpOpenRequestA
HttpSendRequestExA
InternetCloseHandle
InternetReadFile
HttpQueryInfoA
InternetErrorDlg

Exports

Exports

get
head
post
put

Sections

.text
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/System.dll
.dll windows:4 windows x86 arch:x86

8c8a576201f68de1a3f26fc723b9f30f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

MultiByteToWideChar
GlobalFree
GlobalSize
lstrcpynA
lstrcpyA
GetProcAddress
VirtualFree
FreeLibrary
lstrlenA
LoadLibraryA
GetModuleHandleA
GlobalAlloc
WideCharToMultiByte
VirtualAlloc
VirtualProtect
GetLastError

user32

wsprintfA

ole32

StringFromGUID2
CLSIDFromString

Exports

Exports

Alloc
Call
Copy
Free
Get
Int64Op
Store
StrAlloc

Sections

.text
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 867B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 104B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 1024B - Virtual size: 654B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/nsProcess.dll
.dll windows:4 windows x86 arch:x86

c9fc7f6df8fedf8f8f1f9f820c072664

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NO_SEH

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

lstrlenA
CloseHandle
TerminateProcess
OpenProcess
lstrcmpiA
WideCharToMultiByte
FreeLibrary
LocalFree
LocalAlloc
GetProcAddress
LoadLibraryA
GetVersionExA
GlobalFree
lstrcpynA
GlobalAlloc

Exports

Exports

_FindProcess
_KillProcess
_Unload

Sections

.text
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 646B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 146B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5f0c714c36e6cc016b3a1f4bc86559e4

Code Sign

Certificate

Extended Key Usages

Key Usages

34:6e:f9:3a:20:9f:1c:9a:3b:5e:08:d1:a4:4d:d6:44:c4:55:83:1c:06:b5:4a:ef:f1:94:3f:b6:1f:72:c6:b1Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

shell32

ole32

comctl32

user32

gdi32

kernel32

Sections

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

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

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

.ndata Size: - Virtual size: 44KB

.rsrc Size: 404KB - Virtual size: 404KB

8e4c63f70f7cc6490634d743e795c93e

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

comctl32

wininet

Exports

Exports

Sections

.text Size: 14KB - Virtual size: 13KB

.data Size: 2KB - Virtual size: 15KB

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 2KB - Virtual size: 1KB

8c8a576201f68de1a3f26fc723b9f30f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

ole32

Exports

Exports

Sections

.text Size: 8KB - Virtual size: 8KB

.rdata Size: 1024B - Virtual size: 867B

.data Size: 512B - Virtual size: 104B

.reloc Size: 1024B - Virtual size: 654B

c9fc7f6df8fedf8f8f1f9f820c072664

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

.text Size: 1KB - Virtual size: 1KB

.rdata Size: 1024B - Virtual size: 646B

.data Size: - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 146B

34:6e:f9:3a:20:9f:1c:9a:3b:5e:08:d1:a4:4d:d6:44:c4:55:83:1c:06:b5:4a:ef:f1:94:3f:b6:1f:72:c6:b1
Signer

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

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

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

.ndata
Size: - Virtual size: 44KB

.rsrc
Size: 404KB - Virtual size: 404KB

.text
Size: 14KB - Virtual size: 13KB

.data
Size: 2KB - Virtual size: 15KB

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 2KB - Virtual size: 1KB

.text
Size: 8KB - Virtual size: 8KB

.rdata
Size: 1024B - Virtual size: 867B

.data
Size: 512B - Virtual size: 104B

.reloc
Size: 1024B - Virtual size: 654B

.text
Size: 1KB - Virtual size: 1KB

.rdata
Size: 1024B - Virtual size: 646B

.data
Size: - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 146B