3851132feea1712428ec4195cfe9bfddd2e62df7e8f758e3a9e8694b9428be5d

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General

Target

3851132feea1712428ec4195cfe9bfddd2e62df7e8f758e3a9e8694b9428be5d
Size

18.1MB
MD5

5c3c4cd880b055047b06679733286ac2
SHA1

3ac4f1b0114d8b9d0b9614e89ad6c8ebca9c72a8
SHA256

3851132feea1712428ec4195cfe9bfddd2e62df7e8f758e3a9e8694b9428be5d
SHA512

04c3ec37503237ea9044142a0cf51c5c27f511780f2574f7ba74bd41017083180ee3e3dd10ab84d0cf653c5e20c3f0203b7ead2d5e7f2009b472dba5674b3a2b
SSDEEP

393216:KKr83PS2MJLKnyYeQ8EUDRPPhV8c8ePoxBd/w1fctvo:KKriPSinyzE2vueQ7dmfQo

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

3851132feea1712428ec4195cfe9bfddd2e62df7e8f758e3a9e8694b9428be5d
.exe windows x86

7fa974366048f9c551ef45714595665e

Code Sign

36:55:4a:4c:67:fe:2f:a7:97:87:9a:03:17:a8:de:ff
Certificate

Issuer

CN=WoSign Class 3 Code Signing CA G2,O=WoSign CA Limited,C=CN

Not Before

29/05/2015, 02:31

Not After

29/05/2016, 03:20

Subject

CN=Shanghai Youwo Information Technology Co.\, Ltd.,O=Shanghai Youwo Information Technology Co.\, Ltd.,L=Shanghai,ST=Shanghai,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageDigitalSignature

6b:da:df:ef:f0:66:1b:d2:64:2a:f4:6e:cb:b2:79:40
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=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

37:a6:0e:92:5f:23:f8:0c:fd:cd:97:65:92:98:c3:54
Certificate

Issuer

CN=Certification Authority of WoSign,O=WoSign CA Limited,C=CN

Not Before

08/11/2014, 00:58

Not After

08/11/2029, 00:58

Subject

CN=WoSign Class 3 Code Signing CA G2,O=WoSign CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning
ExtKeyUsageMicrosoftCommercialCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

c9:72:e5:9a:c4:b3:1f:61:a0:ca:c9:18:0d:3a:37:61:17:b1:e7:b7
Signer

Actual PE Digest

c9:72:e5:9a:c4:b3:1f:61:a0:ca:c9:18:0d:3a:37:61:17:b1:e7:b7

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Shanghai Youwo Information Technology Co.\, Ltd.,O=Shanghai Youwo Information Technology Co.\, Ltd.,L=Shanghai,ST=Shanghai,C=CN

28/10/2022, 15:02
Valid: false

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: 22KB - 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: 80KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Code Sign

36:55:4a:4c:67:fe:2f:a7:97:87:9a:03:17:a8:de:ffCertificate

Extended Key Usages

Key Usages

6b:da:df:ef:f0:66:1b:d2:64:2a:f4:6e:cb:b2:79:40Certificate

Extended Key Usages

Key Usages

37:a6:0e:92:5f:23:f8:0c:fd:cd:97:65:92:98:c3:54Certificate

Extended Key Usages

Key Usages

c9:72:e5:9a:c4:b3:1f:61:a0:ca:c9:18:0d:3a:37:61:17:b1:e7:b7Signer

Signature Validations

Verification

28/10/2022, 15:02 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

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

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

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

.ndata Size: - Virtual size: 80KB

.rsrc Size: 29KB - Virtual size: 28KB

36:55:4a:4c:67:fe:2f:a7:97:87:9a:03:17:a8:de:ff
Certificate

6b:da:df:ef:f0:66:1b:d2:64:2a:f4:6e:cb:b2:79:40
Certificate

37:a6:0e:92:5f:23:f8:0c:fd:cd:97:65:92:98:c3:54
Certificate

c9:72:e5:9a:c4:b3:1f:61:a0:ca:c9:18:0d:3a:37:61:17:b1:e7:b7
Signer

28/10/2022, 15:02
Valid: false

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

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

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

.ndata
Size: - Virtual size: 80KB

.rsrc
Size: 29KB - Virtual size: 28KB