MT103 USD36k_pdf[.]exe

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General

Target

MT103 USD36k_pdf.exe
Size

300KB
MD5

67060e229fd001baaf2ff8e36f435f0f
SHA1

e8fa3767b8cc7df3c58e04ffb77ba49ca0d65210
SHA256

3715a1b3671a7526ba34a708a617c353c27380d255b6a74493978ded978e01b0
SHA512

38ea3c2ed47ae45062b6239c1812616479fefe957f93b60281431d5aff6272fa7948b0bc77149ae2195ccf2abb2171e99731d68e06bf990ebbb9aa18a49c5086
SSDEEP

6144:BBnvBRhD9wLIp/s6usl9aAh3RhB0QbsIABuwVeWK:35aes6ft3Rhp7ABuwVe7

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

MT103 USD36k_pdf.exe
.exe windows x86

ab6770b0a8635b9d92a5838920cfe770

Code Sign

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

0e:44:18:e2:de:de:36:dd:29:74:c3:44:3a:fb:5c:e5
Certificate

Issuer

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

Not Before

02-07-2021 00:00

Not After

10-07-2024 23:59

Subject

CN=Google LLC,O=Google LLC,L=Mountain View,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

21-09-2022 00:00

Not After

21-11-2033 23:59

Subject

CN=DigiCert Timestamp 2022 - 2,O=DigiCert,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

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

Not Before

23-03-2022 00:00

Not After

22-03-2037 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

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

Not Before

01-08-2022 00:00

Not After

09-11-2031 23:59

Subject

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

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

d6:94:64:58:ca:0d:01:64:44:b1:bb:ad:ba:0e:2f:c9:7e:70:05:f7:b5:d2:3c:19:40:41:71:fa:2e:e8:a8:f3
Signer

Actual PE Digest

d6:94:64:58:ca:0d:01:64:44:b1:bb:ad:ba:0e:2f:c9:7e:70:05:f7:b5:d2:3c:19:40:41:71:fa:2e:e8:a8:f3

Digest Algorithm

sha256

PE Digest Matches

false

Signature Validations

Trusted

true

Verification

Signing Certificate

CN=Google LLC,O=Google LLC,L=Mountain View,ST=California,C=US

08-11-2022 00:36
Valid: true

Chain 1

CN=Google LLC,O=Google LLC,L=Mountain View,ST=California,C=US

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

Chain 2

CN=Google LLC,O=Google LLC,L=Mountain View,ST=California,C=US

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

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

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

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

user32

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

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA

advapi32

RegDeleteValueA
SetFileSecurityA
RegOpenKeyExA
RegDeleteKeyA
RegEnumValueA
RegCloseKey
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_Destroy
ord17
ImageList_AddMasked

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

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

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: 1KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 32KB

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

Sharing

General

Malware Config

Signatures

Files

ab6770b0a8635b9d92a5838920cfe770

Code Sign

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

Extended Key Usages

Key Usages

0e:44:18:e2:de:de:36:dd:29:74:c3:44:3a:fb:5c:e5Certificate

Extended Key Usages

Key Usages

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5aCertificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

d6:94:64:58:ca:0d:01:64:44:b1:bb:ad:ba:0e:2f:c9:7e:70:05:f7:b5:d2:3c:19:40:41:71:fa:2e:e8:a8:f3Signer

Signature Validations

Verification

08-11-2022 00:36 Valid: true

Chain 1

Chain 2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

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

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

.data Size: 1KB - Virtual size: 108KB

.ndata Size: - Virtual size: 32KB

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

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

0e:44:18:e2:de:de:36:dd:29:74:c3:44:3a:fb:5c:e5
Certificate

0c:4d:69:72:4b:94:fa:3c:2a:4a:3d:29:07:80:3d:5a
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

d6:94:64:58:ca:0d:01:64:44:b1:bb:ad:ba:0e:2f:c9:7e:70:05:f7:b5:d2:3c:19:40:41:71:fa:2e:e8:a8:f3
Signer

08-11-2022 00:36
Valid: true

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

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

.data
Size: 1KB - Virtual size: 108KB

.ndata
Size: - Virtual size: 32KB

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