1cff7e9c8d6cadffb15d7172b23aa22e

Sharing

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General

Target

1cff7e9c8d6cadffb15d7172b23aa22e
Size

4.1MB
MD5

1cff7e9c8d6cadffb15d7172b23aa22e
SHA1

4f8958bfb45648a54e9b1eab41b802aacc92119a
SHA256

a94f3b4b86d0a31442d44a22ca2eb86315fd40b3192e05e17d39edf7971846df
SHA512

db5940b9a98ad57fa973b4043fd8565a0fda289ea9824ae702688ec89a8ef2b5f5d401f6721551d7792263305594582f5a9467b89ca45a28c8799813ef873ad5
SSDEEP

98304:savCxnY4IE21m/1miNsSNLRutsDeapNLPfkEWLE3Akgn:sXyE2141dNLQtuesbjEEVgn

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
static1/unpack001/knkan_setup.exe	nsis_installer_1
static1/unpack001/knkan_setup.exe	nsis_installer_2

Files

1cff7e9c8d6cadffb15d7172b23aa22e
.zip
knkan_setup.exe
.exe windows:4 windows x86 arch:x86

1c042238f43557c055fca8642de8a074

Code Sign

42:ce:8a:30:d3:56:02:f8:41:18:6c:6e:20:53:19:04
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

25/04/2007, 00:00

Not After

09/07/2019, 18:40

Subject

CN=WoSign Code Signing Authority,O=WoSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning
ExtKeyUsageClientAuth

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

44:be:0c:8b:50:00:24:b4:11:d3:36:2d:e0:b3:5f:1b
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

09/07/1999, 18:31

Not After

09/07/2019, 18:40

Subject

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment
KeyUsageCertSign
KeyUsageCRLSign

43:73:c5:9c:4f:32:a9:e5:b5:d3:de:f1:26:9a:12:0d
Certificate

Issuer

CN=UTN-USERFirst-Object,OU=http://www.usertrust.com,O=The USERTRUST Network,L=Salt Lake City,ST=UT,C=US

Not Before

30/04/2007, 00:00

Not After

29/04/2012, 23:59

Subject

CN=WoSign Time Stamping Signer,O=WoSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

52:3b:3d:05:0e:d9:00:64:b3:74:36:7a:fb:d5:71:84
Certificate

Issuer

CN=WoSign Code Signing Authority,O=WoSign\, Inc.,C=US

Not Before

04/11/2009, 00:00

Not After

03/11/2012, 23:59

Subject

CN=Keniu Network Technology (Beijing) Co.\, Ltd.,OU=Class 3 - for Microsoft Authenticode Signing,O=可牛网络技术（北京）有限公司,L=朝阳区,ST=北京市,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature

Signer

Actual PE Digest

Digest Algorithm

PE Digest Matches

false

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
SetFilePointer
MulDiv
FindClose
FindNextFileA
FindFirstFileA
DeleteFileA
GetTempPathA

user32

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

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: 24KB - Virtual size: 24KB

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: 3KB - Virtual size: 252KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 288KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.url
.url

Sharing

General

Malware Config

Signatures

Files

1c042238f43557c055fca8642de8a074

Code Sign

42:ce:8a:30:d3:56:02:f8:41:18:6c:6e:20:53:19:04Certificate

Extended Key Usages

Key Usages

44:be:0c:8b:50:00:24:b4:11:d3:36:2d:e0:b3:5f:1bCertificate

Extended Key Usages

Key Usages

43:73:c5:9c:4f:32:a9:e5:b5:d3:de:f1:26:9a:12:0dCertificate

Extended Key Usages

Key Usages

52:3b:3d:05:0e:d9:00:64:b3:74:36:7a:fb:d5:71:84Certificate

Extended Key Usages

Key Usages

Signer

Headers

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

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

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

.data Size: 3KB - Virtual size: 252KB

.ndata Size: - Virtual size: 288KB

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

42:ce:8a:30:d3:56:02:f8:41:18:6c:6e:20:53:19:04
Certificate

44:be:0c:8b:50:00:24:b4:11:d3:36:2d:e0:b3:5f:1b
Certificate

43:73:c5:9c:4f:32:a9:e5:b5:d3:de:f1:26:9a:12:0d
Certificate

52:3b:3d:05:0e:d9:00:64:b3:74:36:7a:fb:d5:71:84
Certificate

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

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

.data
Size: 3KB - Virtual size: 252KB

.ndata
Size: - Virtual size: 288KB

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