mirc772[.]exe | Triage

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General

Target

mirc772.exe
Size

3.3MB
MD5

1d83937f09c3602ea57dffa7a465198b
SHA1

1eca372af37c9f3aca2df4d89aeeddf85e7e46a9
SHA256

6baf43fef743770bbc17722e2d982088c020eb41ec52f6c6e6d1289e24d0a6ba
SHA512

0055912efee092347d67baac644840301b2fb541fa494fc611d5fa40fcd2a5d7a213fa8e7b02db1e292c2be78e1a30553b514ad9a85e6ce453a99019d7ce4b67
SSDEEP

98304:SNNATm6PiHnJ1DrQeIYokhvBuwu8ZfXW:SzPnnDPF3bHZPW

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

mirc772.exe
.exe windows x86

7c2c71dfce9a27650634dc8b1ca03bf0

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

08:8b:7f:9d:ec:c1:78:33:b9:a4:6d:c7:1b:98:c1:31
Certificate

Issuer

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

Not Before

15/11/2022, 00:00

Not After

17/12/2025, 23:59

Subject

CN=mIRC Co. Ltd.,OU=Secure Application Development,O=mIRC Co. Ltd.,L=Stanmore,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

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

08:8b:7f:9d:ec:c1:78:33:b9:a4:6d:c7:1b:98:c1:31
Certificate

Issuer

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

Not Before

15/11/2022, 00:00

Not After

17/12/2025, 23:59

Subject

CN=mIRC Co. Ltd.,OU=Secure Application Development,O=mIRC Co. Ltd.,L=Stanmore,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

4f:61:3f:1e:89:34:8e:5f:4f:ae:ac:bf:4e:bf:63:8c:59:32:69:b2:66:e0:12:05:8e:56:06:90:02:a1:69:f3
Signer

Actual PE Digest

4f:61:3f:1e:89:34:8e:5f:4f:ae:ac:bf:4e:bf:63:8c:59:32:69:b2:66:e0:12:05:8e:56:06:90:02:a1:69:f3

Digest Algorithm

sha256

PE Digest Matches

true

46:88:92:d5:a6:0c:b7:5e:9b:bb:e2:95:f7:8e:fa:06:20:f3:d8:85
Signer

Actual PE Digest

46:88:92:d5:a6:0c:b7:5e:9b:bb:e2:95:f7:8e:fa:06:20:f3:d8:85

Digest Algorithm

sha1

PE Digest Matches

true

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

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

user32

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

gdi32

SelectObject
SetTextColor
SetBkMode
CreateFontIndirectA
CreateBrushIndirect
DeleteObject
GetDeviceCaps
SetBkColor

shell32

SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
SHFileOperationA

advapi32

AdjustTokenPrivileges
RegCreateKeyExA
RegOpenKeyExA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
RegEnumValueA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_Create
ImageList_AddMasked
ord17
ImageList_Destroy

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 68KB

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

7c2c71dfce9a27650634dc8b1ca03bf0

Code Sign

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

Extended Key Usages

Key Usages

08:8b:7f:9d:ec:c1:78:33:b9:a4:6d:c7:1b:98:c1:31Certificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

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

08:8b:7f:9d:ec:c1:78:33:b9:a4:6d:c7:1b:98:c1:31Certificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

4f:61:3f:1e:89:34:8e:5f:4f:ae:ac:bf:4e:bf:63:8c:59:32:69:b2:66:e0:12:05:8e:56:06:90:02:a1:69:f3Signer

46:88:92:d5:a6:0c:b7:5e:9b:bb:e2:95:f7:8e:fa:06:20:f3:d8:85Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

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

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1024B - Virtual size: 106KB

.ndata Size: - Virtual size: 68KB

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

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

08:8b:7f:9d:ec:c1:78:33:b9:a4:6d:c7:1b:98:c1:31
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

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

08:8b:7f:9d:ec:c1:78:33:b9:a4:6d:c7:1b:98:c1:31
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

4f:61:3f:1e:89:34:8e:5f:4f:ae:ac:bf:4e:bf:63:8c:59:32:69:b2:66:e0:12:05:8e:56:06:90:02:a1:69:f3
Signer

46:88:92:d5:a6:0c:b7:5e:9b:bb:e2:95:f7:8e:fa:06:20:f3:d8:85
Signer

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

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1024B - Virtual size: 106KB

.ndata
Size: - Virtual size: 68KB

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