| File name: | ExLoader.exe |
| Full analysis: | https://app.any.run/tasks/4110b4a2-df02-4a6d-8607-72f0b1b4bbfa |
| 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 11, 2021, 14:08:41 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 0C22274BC63EC6AB2241974084BFDE49 |
| SHA1: | DB3F064FFC647DB1ACD58686AC6472E5D27664DF |
| SHA256: | 4E75B166291F8BE745113199D91D362F23BE58105336B88910C9E2745A8BA337 |
| SSDEEP: | 24576:T1X4MROxnFH3DRM4hrrcI0AilFEvxHPdooyy:T+MihDlhrrcI0AilFEvxHPN |
MALICIOUS
Application was dropped or rewritten from another process
- ExLoader.exe (PID: 736)
- ExLoader.exe (PID: 1360)
- WindowsInput.exe (PID: 276)
- system.exe (PID: 2204)
- OrcusWatchdog.exe (PID: 2016)
- WindowsInput.exe (PID: 2380)
- system.exe (PID: 852)
- OrcusWatchdog.exe (PID: 1528)
ORCUS was detected
- ExLoader.exe (PID: 736)
- ExLoader.exe (PID: 1360)
- system.exe (PID: 852)
- system.exe (PID: 2204)
- OrcusWatchdog.exe (PID: 2016)
Drops executable file immediately after starts
- ExLoader.exe (PID: 2552)
Loads the Task Scheduler COM API
- system.exe (PID: 852)
SUSPICIOUS
Drops a file with a compile date too recent
- ExLoader.exe (PID: 2552)
- ExLoader.exe (PID: 1360)
Executable content was dropped or overwritten
- ExLoader.exe (PID: 2552)
- ExLoader.exe (PID: 1360)
- system.exe (PID: 852)
Application launched itself
- ExLoader.exe (PID: 736)
- OrcusWatchdog.exe (PID: 2016)
Creates files in the Windows directory
- ExLoader.exe (PID: 1360)
- WindowsInput.exe (PID: 276)
Drops a file that was compiled in debug mode
- ExLoader.exe (PID: 1360)
- system.exe (PID: 852)
Executed as Windows Service
- WindowsInput.exe (PID: 2380)
Executed via Task Scheduler
- system.exe (PID: 2204)
Creates a directory in Program Files
- ExLoader.exe (PID: 1360)
Creates files in the program directory
- ExLoader.exe (PID: 1360)
Starts itself from another location
- ExLoader.exe (PID: 1360)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Borland Delphi 6 (85.5) |
|---|---|---|
| .exe | | | Win32 Executable Delphi generic (4.6) |
| .scr | | | Windows screen saver (4.2) |
| .dll | | | Win32 Dynamic Link Library (generic) (2.1) |
| .exe | | | Win32 Executable (generic) (1.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:20 00:22:17+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 29696 |
| InitializedDataSize: | 10752 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x80e4 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 19-Jun-1992 22:22:17 |
| Detected languages: |
|
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0050 |
| Pages in file: | 0x0002 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x000F |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x001A |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000100 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 8 |
| Time date stamp: | 19-Jun-1992 22:22:17 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
CODE | 0x00001000 | 0x0000722C | 0x00007400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.51167 |
DATA | 0x00009000 | 0x00000218 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.1517 |
BSS | 0x0000A000 | 0x0000A899 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x00015000 | 0x00000864 | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.17386 |
.tls | 0x00016000 | 0x00000008 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x00017000 | 0x00000018 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.20692 |
.reloc | 0x00018000 | 0x000005CC | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 6.44309 |
.rsrc | 0x00019000 | 0x00001400 | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 1.29674 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 0 | 4264 | UNKNOWN | Russian - Russia | RT_ICON |
DVCLAL | 4 | 16 | UNKNOWN | UNKNOWN | RT_RCDATA |
PACKAGEINFO | 6.90278 | 172 | UNKNOWN | UNKNOWN | RT_RCDATA |
MAINICON | 1.7815 | 20 | UNKNOWN | Russian - Russia | RT_GROUP_ICON |
Imports
advapi32.dll |
gdi32.dll |
kernel32.dll |
oleaut32.dll |
shell32.dll |
user32.dll |
Total processes
45
Monitored processes
9
Malicious processes
7
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 276 | "C:\Windows\system32\WindowsInput.exe" --install | C:\Windows\system32\WindowsInput.exe | — | ExLoader.exe | |||||||||||
User: admin Company: Microsoft Integrity Level: HIGH Description: Windows Input Exit code: 0 Version: 0.1.0 Modules
| |||||||||||||||
| 736 | "C:\Users\admin\AppData\Local\Temp\3582-490\ExLoader.exe" | C:\Users\admin\AppData\Local\Temp\3582-490\ExLoader.exe | ExLoader.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 852 | "C:\Program Files\Windows\system.exe" | C:\Program Files\Windows\system.exe | ExLoader.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 1360 | "C:\Users\admin\AppData\Local\Temp\3582-490\ExLoader.exe" /wait | C:\Users\admin\AppData\Local\Temp\3582-490\ExLoader.exe | ExLoader.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 1528 | "C:\Users\admin\AppData\Local\Temp\OrcusWatchdog.exe" /watchProcess "C:\Program Files\Windows\system.exe" 852 "/protectFile" | C:\Users\admin\AppData\Local\Temp\OrcusWatchdog.exe | — | OrcusWatchdog.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2016 | "C:\Users\admin\AppData\Local\Temp\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\Windows\system.exe" 852 /protectFile | C:\Users\admin\AppData\Local\Temp\OrcusWatchdog.exe | system.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 1528 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2204 | "C:\Program Files\Windows\system.exe" | C:\Program Files\Windows\system.exe | taskeng.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2380 | "C:\Windows\system32\WindowsInput.exe" | C:\Windows\system32\WindowsInput.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Microsoft Integrity Level: SYSTEM Description: Windows Input Exit code: 0 Version: 0.1.0 Modules
| |||||||||||||||
| 2552 | "C:\Users\admin\AppData\Local\Temp\ExLoader.exe" | C:\Users\admin\AppData\Local\Temp\ExLoader.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
1 505
Read events
1 479
Write events
26
Delete events
0
Modification events
| (PID) Process: | (2552) ExLoader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2552) ExLoader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (736) ExLoader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (736) ExLoader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (276) WindowsInput.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\eventlog\Application |
| Operation: | write | Name: | AutoBackupLogFiles |
Value: 0 | |||
| (PID) Process: | (1360) ExLoader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (1360) ExLoader.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (276) WindowsInput.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\eventlog\Application\WindowsInput |
| Operation: | write | Name: | EventMessageFile |
Value: C:\Windows\Microsoft.NET\Framework\v4.0.30319\EventLogMessages.dll | |||
| (PID) Process: | (276) WindowsInput.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (276) WindowsInput.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
4
Suspicious files
1
Text files
4
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2552 | ExLoader.exe | C:\Users\admin\AppData\Local\Temp\tmp5023.tmp | binary | |
MD5:— | SHA256:— | |||
| 2552 | ExLoader.exe | C:\Users\admin\AppData\Local\Temp\3582-490\ExLoader.exe | executable | |
MD5:— | SHA256:— | |||
| 1360 | ExLoader.exe | C:\Program Files\Windows\system.exe | executable | |
MD5:— | SHA256:— | |||
| 1360 | ExLoader.exe | C:\Windows\system32\WindowsInput.exe.config | xml | |
MD5:A2B76CEA3A59FA9AF5EA21FF68139C98 | SHA256:F99EF5BF79A7C43701877F0BB0B890591885BB0A3D605762647CC8FFBF10C839 | |||
| 1360 | ExLoader.exe | C:\Program Files\Windows\system.exe.config | xml | |
MD5:A2B76CEA3A59FA9AF5EA21FF68139C98 | SHA256:F99EF5BF79A7C43701877F0BB0B890591885BB0A3D605762647CC8FFBF10C839 | |||
| 276 | WindowsInput.exe | C:\Windows\system32\WindowsInput.InstallState | xml | |
MD5:FFB29BD88BD23C639985F1D369DBD1CA | SHA256:1ADB4F9D1D152E018246A0A2762B473D910906340207F57D3F8CE1097E1DE09F | |||
| 852 | system.exe | C:\Users\admin\AppData\Local\Temp\OrcusWatchdog.exe | executable | |
MD5:913967B216326E36A08010FB70F9DBA3 | SHA256:8D880758549220154D2FF4EE578F2B49527C5FB76A07D55237B61E30BCC09E3A | |||
| 852 | system.exe | C:\Users\admin\AppData\Local\Temp\OrcusWatchdog.exe.config | xml | |
MD5:A2B76CEA3A59FA9AF5EA21FF68139C98 | SHA256:F99EF5BF79A7C43701877F0BB0B890591885BB0A3D605762647CC8FFBF10C839 | |||
| 1360 | ExLoader.exe | C:\Windows\system32\WindowsInput.exe | executable | |
MD5:E6FCF516D8ED8D0D4427F86E08D0D435 | SHA256:8DBE814359391ED6B0B5B182039008CF1D00964DA9FBC4747F46242A95C24337 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
3
Threats
1
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
852 | system.exe | 217.149.191.30:4444 | awaken.ddns.net | JSC UNICO | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
awaken.ddns.net |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1044 | svchost.exe | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |