yjghost_gw[.]exe

Sharing

Copy URL Twitter E-mail

General

Target

yjghost_gw.exe
Size

16.7MB
MD5

eebbb99f972d71c935018544ba0c0f5e
SHA1

1315b1e4099f3671a9fadb4776f85d33e75fb790
SHA256

24844075ee9364595aa372d42df0f98ab6b8d3f9d2655200f08f48f8d41771e9
SHA512

20e0a154f3e4fd98392c14ab31b0968e7ce5f1d3d0be67f06be78e50e13282b5a4efcd8fd50b105cacd864485748d2744d9c252a33f04b78dce8509bfc2761a1
SSDEEP

393216:MNJ6jElMpCHDUno2Ld2Ez6YbrigECeAjQjL:MNJQEU/d2SXivCePjL

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

yjghost_gw.exe
.exe windows x86

7fa974366048f9c551ef45714595665e

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

Issuer

CN=AddTrust External CA Root,OU=AddTrust External TTP Network,O=AddTrust AB,C=SE

Not Before

07/06/2005, 08:09

Not After

30/05/2020, 10:48

Subject

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

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

62:5c:4d:90:8c:d5:42:fb:ab:2e:a5:73:3f:f1:54:19
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

27/04/2011, 00:00

Not After

30/05/2020, 10:48

Subject

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

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

2b:73:db:74:63:11:4c:5a:5b:32:4a:f2:30:57:72:49
Certificate

Issuer

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

Not Before

02/05/2019, 00:00

Not After

30/05/2020, 10:48

Subject

CN=Sectigo SHA-1 Time Stamping Signer,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

03:6e:f1:be:04:4d:a9:20:96:fc:37:c3:08:60:a9:d7
Certificate

Issuer

CN=DigiCert Assured ID Code Signing CA-1,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

14/10/2019, 00:00

Not After

21/10/2020, 12:00

Subject

CN=Xiamen Fu Heng Network Co.\, Ltd.,OU=厦门富横网络有限公司,O=Xiamen Fu Heng Network Co.\, Ltd.,L=厦门市,ST=福建省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

05:4d:74:91:97:7e:d1:43:c4:9a:14:ab:b2:64:70:0a
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

14/10/2019, 00:00

Not After

21/10/2020, 12:00

Subject

CN=Xiamen Fu Heng Network Co.\, Ltd.,OU=厦门富横网络有限公司,O=Xiamen Fu Heng Network Co.\, Ltd.,L=厦门市,ST=福建省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08
Certificate

Issuer

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

Not Before

02/05/2019, 00:00

Not After

01/08/2030, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #1,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

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

cf:b4:fe:af:39:23:f1:99:47:0e:0b:0f:92:63:9c:18:79:d0:89:e3:ea:37:eb:c0:d0:25:48:1c:fb:59:ed:e5
Signer

Actual PE Digest

cf:b4:fe:af:39:23:f1:99:47:0e:0b:0f:92:63:9c:18:79:d0:89:e3:ea:37:eb:c0:d0:25:48:1c:fb:59:ed:e5

Digest Algorithm

sha256

PE Digest Matches

true

94:c8:c3:db:17:ee:a1:99:20:9c:8d:f0:29:d6:46:7d:a0:6c:7a:3e
Signer

Actual PE Digest

94:c8:c3:db:17:ee:a1:99:20:9c:8d:f0:29:d6:46:7d:a0:6c:7a:3e

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

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

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: 23KB - Virtual size: 22KB

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: 52KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Code Sign

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4bCertificate

Key Usages

62:5c:4d:90:8c:d5:42:fb:ab:2e:a5:73:3f:f1:54:19Certificate

Extended Key Usages

Key Usages

2b:73:db:74:63:11:4c:5a:5b:32:4a:f2:30:57:72:49Certificate

Extended Key Usages

Key Usages

03:6e:f1:be:04:4d:a9:20:96:fc:37:c3:08:60:a9:d7Certificate

Extended Key Usages

Key Usages

05:4d:74:91:97:7e:d1:43:c4:9a:14:ab:b2:64:70:0aCertificate

Extended Key Usages

Key Usages

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08Certificate

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

cf:b4:fe:af:39:23:f1:99:47:0e:0b:0f:92:63:9c:18:79:d0:89:e3:ea:37:eb:c0:d0:25:48:1c:fb:59:ed:e5Signer

94:c8:c3:db:17:ee:a1:99:20:9c:8d:f0:29:d6:46:7d:a0:6c:7a:3eSigner

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 23KB - Virtual size: 22KB

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

.data Size: 1024B - Virtual size: 107KB

.ndata Size: - Virtual size: 52KB

.rsrc Size: 28KB - Virtual size: 28KB

42:1a:f2:94:09:84:19:1f:52:0a:4b:c6:24:26:a7:4b
Certificate

62:5c:4d:90:8c:d5:42:fb:ab:2e:a5:73:3f:f1:54:19
Certificate

2b:73:db:74:63:11:4c:5a:5b:32:4a:f2:30:57:72:49
Certificate

03:6e:f1:be:04:4d:a9:20:96:fc:37:c3:08:60:a9:d7
Certificate

05:4d:74:91:97:7e:d1:43:c4:9a:14:ab:b2:64:70:0a
Certificate

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08
Certificate

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

cf:b4:fe:af:39:23:f1:99:47:0e:0b:0f:92:63:9c:18:79:d0:89:e3:ea:37:eb:c0:d0:25:48:1c:fb:59:ed:e5
Signer

94:c8:c3:db:17:ee:a1:99:20:9c:8d:f0:29:d6:46:7d:a0:6c:7a:3e
Signer

.text
Size: 23KB - Virtual size: 22KB

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

.data
Size: 1024B - Virtual size: 107KB

.ndata
Size: - Virtual size: 52KB

.rsrc
Size: 28KB - Virtual size: 28KB