epm_free_install_20221107[.]589[.]exe

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General

Target

epm_free_install_20221107.589.exe
Size

1.9MB
MD5

673de5c53ea2cb3fc795c254d5905944
SHA1

f86021fb9464ca3f2110c0dacfcf871b2c2b8b60
SHA256

3c23695357313ce5160c965b5f2b04f8fc3711116f549712b744c06ede5597b8
SHA512

27ec7933385b1cc89636f24d9bae338ff3d227a19358eb4e6b19adbc4417158e30c45acf8ea0cd36b4f66b78e8af666fa651c9eb0892b050e3df8b98700789b0
SSDEEP

49152:bx8Rbg2YE31XfVnfjox2CqG+PmVoRIpF8dy+ln8dYM4:bxYgs5flfjPCqnvRIQy28ux

Score

N/A

Malware Config

Signatures

Files

epm_free_install_20221107.589.exe
.exe windows x86

b34f154ec913d2d2c435cbd644e91687

Code Sign

06:86:ed:40:3e:c1:bf:44:1c:8f:33:5c:84:1e:ea:00
Certificate

Issuer

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

Not Before

30/08/2019, 00:00

Not After

02/10/2022, 12:00

Subject

CN=CHENGDU YIWO Tech Development Co.\, Ltd.,O=CHENGDU YIWO Tech Development Co.\, Ltd.,L=Chengdu,ST=Sichuan,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bd
Certificate

Issuer

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

Not Before

11/02/2011, 12:00

Not After

10/02/2026, 12:00

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29/04/2021, 00:00

Not After

28/04/2036, 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0f:89:bc:77:ac:14:b8:20:c4:d6:7a:cf:c4:64:03:aa
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

15/11/2021, 00:00

Not After

02/12/2024, 23:59

Subject

SERIALNUMBER=91510107765360104N,CN=CHENGDU YIWO Tech Development Co.\, Ltd.,O=CHENGDU YIWO Tech Development Co.\, Ltd.,L=成都市,ST=四川省,C=CN,1.3.6.1.4.1.311.60.2.1.1=#0c09e6ada6e4beafe58cba,1.3.6.1.4.1.311.60.2.1.2=#0c09e59b9be5b79de79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

09:59:c9:08:9e:32:ae:03:58:15:41:6c:75:79:08:fe:f1:73:8e:ea:82:04:58:41:a4:7f:5d:c1:0d:6b:a4:e6
Signer

Actual PE Digest

09:59:c9:08:9e:32:ae:03:58:15:41:6c:75:79:08:fe:f1:73:8e:ea:82:04:58:41:a4:7f:5d:c1:0d:6b:a4:e6

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

true

Verification

Signing Certificate

SERIALNUMBER=91510107765360104N,CN=CHENGDU YIWO Tech Development Co.\, Ltd.,O=CHENGDU YIWO Tech Development Co.\, Ltd.,L=成都市,ST=四川省,C=CN,1.3.6.1.4.1.311.60.2.1.1=#0c09e6ada6e4beafe58cba,1.3.6.1.4.1.311.60.2.1.2=#0c09e59b9be5b79de79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

13/01/2023, 12:40
Valid: true

Chain 1

SERIALNUMBER=91510107765360104N,CN=CHENGDU YIWO Tech Development Co.\, Ltd.,O=CHENGDU YIWO Tech Development Co.\, Ltd.,L=成都市,ST=四川省,C=CN,1.3.6.1.4.1.311.60.2.1.1=#0c09e6ada6e4beafe58cba,1.3.6.1.4.1.311.60.2.1.2=#0c09e59b9be5b79de79c81,1.3.6.1.4.1.311.60.2.1.3=#1302434e,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

1b:c1:48:e7:6d:6c:db:bc:fc:9f:9d:2f:48:c7:c0:dc:d2:12:93:64
Signer

Actual PE Digest

1b:c1:48:e7:6d:6c:db:bc:fc:9f:9d:2f:48:c7:c0:dc:d2:12:93:64

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=CHENGDU YIWO Tech Development Co.\, Ltd.,O=CHENGDU YIWO Tech Development Co.\, Ltd.,L=Chengdu,ST=Sichuan,C=CN

13/01/2023, 12:40
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

SetEnvironmentVariableW
SetFileAttributesW
Sleep
GetTickCount
GetFileSize
GetModuleFileNameW
GetCurrentProcess
CopyFileW
SetCurrentDirectoryW
GetFileAttributesW
GetWindowsDirectoryW
GetTempPathW
GetCommandLineW
GetVersion
SetErrorMode
lstrlenW
lstrcpynW
GetDiskFreeSpaceW
ExitProcess
GetShortPathNameW
CreateThread
GetLastError
CreateDirectoryW
CreateProcessW
RemoveDirectoryW
lstrcmpiA
CreateFileW
GetTempFileNameW
WriteFile
lstrcpyA
MoveFileExW
lstrcatW
GetSystemDirectoryW
GetProcAddress
GetModuleHandleA
GetExitCodeProcess
WaitForSingleObject
lstrcmpiW
MoveFileW
GetFullPathNameW
SetFileTime
SearchPathW
CompareFileTime
lstrcmpW
CloseHandle
ExpandEnvironmentStringsW
GlobalFree
GlobalLock
GlobalUnlock
GlobalAlloc
FindFirstFileW
FindNextFileW
DeleteFileW
SetFilePointer
ReadFile
FindClose
lstrlenA
MulDiv
MultiByteToWideChar
WideCharToMultiByte
GetPrivateProfileStringW
WritePrivateProfileStringW
FreeLibrary
LoadLibraryExW
GetModuleHandleW

user32

GetSystemMenu
SetClassLongW
EnableMenuItem
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongW
SetCursor
LoadCursorW
CheckDlgButton
GetMessagePos
LoadBitmapW
CallWindowProcW
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
OpenClipboard
ScreenToClient
GetWindowRect
GetDlgItem
GetSystemMetrics
SetDlgItemTextW
GetDlgItemTextW
MessageBoxIndirectW
CharPrevW
CharNextA
wsprintfA
DispatchMessageW
PeekMessageW
ReleaseDC
EnableWindow
InvalidateRect
SendMessageW
DefWindowProcW
BeginPaint
GetClientRect
FillRect
DrawTextW
EndDialog
RegisterClassW
SystemParametersInfoW
CreateWindowExW
GetClassInfoW
DialogBoxParamW
CharNextW
ExitWindowsEx
DestroyWindow
GetDC
SetTimer
SetWindowTextW
LoadImageW
SetForegroundWindow
ShowWindow
IsWindow
SetWindowLongW
FindWindowExW
TrackPopupMenu
AppendMenuW
CreatePopupMenu
EndPaint
CreateDialogParamW
SendMessageTimeoutW
wsprintfW
PostQuitMessage

gdi32

SelectObject
SetBkMode
CreateFontIndirectW
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
ShellExecuteExW
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetFileInfoW
SHFileOperationW

advapi32

AdjustTokenPrivileges
RegCreateKeyExW
RegOpenKeyExW
SetFileSecurityW
OpenProcessToken
LookupPrivilegeValueW
RegEnumValueW
RegDeleteKeyW
RegDeleteValueW
RegCloseKey
RegSetValueExW
RegQueryValueExW
RegEnumKeyW

comctl32

ImageList_Create
ImageList_AddMasked
ImageList_Destroy
ord17

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 171KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 64KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 67KB - Virtual size: 66KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b34f154ec913d2d2c435cbd644e91687

Code Sign

06:86:ed:40:3e:c1:bf:44:1c:8f:33:5c:84:1e:ea:00Certificate

Extended Key Usages

Key Usages

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bdCertificate

Extended Key Usages

Key Usages

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

0f:89:bc:77:ac:14:b8:20:c4:d6:7a:cf:c4:64:03:aaCertificate

Extended Key Usages

Key Usages

09:59:c9:08:9e:32:ae:03:58:15:41:6c:75:79:08:fe:f1:73:8e:ea:82:04:58:41:a4:7f:5d:c1:0d:6b:a4:e6Signer

Signature Validations

Verification

13/01/2023, 12:40 Valid: true

Chain 1

1b:c1:48:e7:6d:6c:db:bc:fc:9f:9d:2f:48:c7:c0:dc:d2:12:93:64Signer

Signature Validations

Verification

13/01/2023, 12:40 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 26KB - Virtual size: 25KB

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

.data Size: 1KB - Virtual size: 171KB

.ndata Size: - Virtual size: 64KB

.rsrc Size: 67KB - Virtual size: 66KB

06:86:ed:40:3e:c1:bf:44:1c:8f:33:5c:84:1e:ea:00
Certificate

0f:a8:49:06:15:d7:00:a0:be:21:76:fd:c5:ec:6d:bd
Certificate

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

0f:89:bc:77:ac:14:b8:20:c4:d6:7a:cf:c4:64:03:aa
Certificate

09:59:c9:08:9e:32:ae:03:58:15:41:6c:75:79:08:fe:f1:73:8e:ea:82:04:58:41:a4:7f:5d:c1:0d:6b:a4:e6
Signer

13/01/2023, 12:40
Valid: true

1b:c1:48:e7:6d:6c:db:bc:fc:9f:9d:2f:48:c7:c0:dc:d2:12:93:64
Signer

13/01/2023, 12:40
Valid: false

.text
Size: 26KB - Virtual size: 25KB

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

.data
Size: 1KB - Virtual size: 171KB

.ndata
Size: - Virtual size: 64KB

.rsrc
Size: 67KB - Virtual size: 66KB