File name: | payload.exe |
Full analysis: | https://app.any.run/tasks/e4ef17b7-71f1-4080-8bd2-eb2afd1711a3 |
Verdict: | Malicious activity |
Threats: | Orcus is a modular Remote Access Trojan with some unusual functions. This RAT enables attackers to create plugins using a custom development library and offers a robust core feature set that makes it one of the most dangerous malicious programs in its class. |
Analysis date: | January 14, 2022, 22:42:07 |
OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
Tags: | |
Indicators: | |
MIME: | application/x-dosexec |
File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
MD5: | 85CEFC8BFE7ECAA5028DE1D59841FECD |
SHA1: | 7A3792DDB853BA56A77AEE5EB095BDFC746DAFE4 |
SHA256: | 3A6DAD4480A876F67664059648F40FD10B5A38CCBDAEACFA4C52DFBB7B955755 |
SSDEEP: | 24576:3am4MROxnF4OVrrcI0AilFEvxHP7oor9:3OMia8rrcI0AilFEvxHPj |
.exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
---|---|---|
.exe | | | Win64 Executable (generic) (21.3) |
.scr | | | Windows screen saver (10.1) |
.dll | | | Win32 Dynamic Link Library (generic) (5) |
.exe | | | Win32 Executable (generic) (3.4) |
MachineType: | Intel 386 or later, and compatibles |
---|---|
TimeStamp: | 2022:01:14 23:41:45+01:00 |
PEType: | PE32 |
LinkerVersion: | 8 |
CodeSize: | 919552 |
InitializedDataSize: | 2560 |
UninitializedDataSize: | - |
EntryPoint: | 0xe26be |
OSVersion: | 4 |
ImageVersion: | - |
SubsystemVersion: | 4 |
Subsystem: | Windows GUI |
FileVersionNumber: | 1.0.0.0 |
ProductVersionNumber: | 1.0.0.0 |
FileFlagsMask: | 0x003f |
FileFlags: | (none) |
FileOS: | Win32 |
ObjectFileType: | Executable application |
FileSubtype: | - |
LanguageCode: | Neutral |
CharacterSet: | Unicode |
Comments: | - |
CompanyName: | - |
FileDescription: | - |
FileVersion: | 1.0.0.0 |
InternalName: | Orcus.exe |
LegalCopyright: | - |
LegalTrademarks: | - |
OriginalFileName: | Orcus.exe |
ProductName: | - |
ProductVersion: | 1.0.0.0 |
AssemblyVersion: | 1.0.0.0 |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 14-Jan-2022 22:41:45 |
Comments: | - |
CompanyName: | - |
FileDescription: | - |
FileVersion: | 1.0.0.0 |
InternalName: | Orcus.exe |
LegalCopyright: | - |
LegalTrademarks: | - |
OriginalFilename: | Orcus.exe |
ProductName: | - |
ProductVersion: | 1.0.0.0 |
Assembly Version: | 1.0.0.0 |
Magic number: | MZ |
---|---|
Bytes on last page of file: | 0x0090 |
Pages in file: | 0x0003 |
Relocations: | 0x0000 |
Size of header: | 0x0004 |
Min extra paragraphs: | 0x0000 |
Max extra paragraphs: | 0xFFFF |
Initial SS value: | 0x0000 |
Initial SP value: | 0x00B8 |
Checksum: | 0x0000 |
Initial IP value: | 0x0000 |
Initial CS value: | 0x0000 |
Overlay number: | 0x0000 |
OEM identifier: | 0x0000 |
OEM information: | 0x0000 |
Address of NE header: | 0x00000080 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 3 |
Time date stamp: | 14-Jan-2022 22:41:45 |
Pointer to Symbol Table: | 0x00000000 |
Number of symbols: | 0 |
Size of Optional Header: | 0x00E0 |
Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
---|---|---|---|---|---|
.text | 0x00002000 | 0x000E06C4 | 0x000E0800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.15067 |
.rsrc | 0x000E4000 | 0x000006AC | 0x00000800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.9951 |
.reloc | 0x000E6000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 5.28751 | 831 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
4004 | "C:\Users\admin\AppData\Local\Temp\payload.exe" | C:\Users\admin\AppData\Local\Temp\payload.exe | — | Explorer.EXE |
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Version: 1.0.0.0 | ||||
1728 | "C:\Users\admin\AppData\Local\Temp\payload.exe" | C:\Users\admin\AppData\Local\Temp\payload.exe | Explorer.EXE | |
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 | ||||
2768 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Program Files\Update\Discord | C:\Windows\system32\rundll32.exe | — | payload.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) |
(PID) Process: | (1728) payload.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.sys\OpenWithProgids |
Operation: | write | Name: | sysfile |
Value: | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Windows\eHome\ehshell.exe |
Value: Windows Media Center | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Program Files\Mozilla Firefox\firefox.exe |
Value: Firefox | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Windows\system32\mspaint.exe |
Value: Paint | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Windows\system32\NOTEPAD.EXE |
Value: Notepad | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\PROGRA~1\MICROS~1\Office14\OIS.EXE |
Value: Microsoft Office 2010 | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Program Files\Opera\Opera.exe |
Value: Opera Internet Browser | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Program Files\Windows Photo Viewer\PhotoViewer.dll |
Value: Windows Photo Viewer | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Program Files\VideoLAN\VLC\vlc.exe |
Value: VLC media player | |||
(PID) Process: | (2768) rundll32.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\MuiCache |
Operation: | write | Name: | C:\Program Files\Microsoft Office\Office14\WINWORD.EXE |
Value: Microsoft Word |
PID | Process | Filename | Type | |
---|---|---|---|---|
1728 | payload.exe | C:\Program Files\Update\Discord | executable | |
MD5:85CEFC8BFE7ECAA5028DE1D59841FECD | SHA256:3A6DAD4480A876F67664059648F40FD10B5A38CCBDAEACFA4C52DFBB7B955755 | |||
1728 | payload.exe | C:\Program Files\Update\Discord.config | xml | |
MD5:A2B76CEA3A59FA9AF5EA21FF68139C98 | SHA256:F99EF5BF79A7C43701877F0BB0B890591885BB0A3D605762647CC8FFBF10C839 |