analyze malware
- Huge database of samples and IOCs
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- Interactive approach
| File name: | orcus_premium.exe |
| Full analysis: | https://app.any.run/tasks/bfec1cf1-bce9-48f0-a5c5-8b947f8f51b5 |
| 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 24, 2022, 15:59:46 |
| 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: | 28DCEEF73DCF576AFA2F57E55F1170F4 |
| SHA1: | 95CA2FE893D950481D5F4FA8A9355C9B21FCAD34 |
| SHA256: | 49DC2A414921650BA62FDBA2B7A05013E451426D11C64464EFACF54610DB21FC |
| SSDEEP: | 49152:2nsHyjtk2MYC5GDwWMiurrcI0AilFEvxHPov:2nsmtk2a/Wb |
MALICIOUS
Changes the autorun value in the registry
- orcus_premium.exe (PID: 3588)
Drops executable file immediately after starts
- orcus_premium.exe (PID: 3588)
Application was dropped or rewritten from another process
- Synaptics.exe (PID: 1956)
- ._cache_orcus_premium.exe (PID: 3960)
ORCUS was detected
- ._cache_orcus_premium.exe (PID: 3960)
Changes settings of System certificates
- Synaptics.exe (PID: 1956)
Connects to CnC server
- Synaptics.exe (PID: 1956)
SUSPICIOUS
Checks supported languages
- orcus_premium.exe (PID: 3588)
- ._cache_orcus_premium.exe (PID: 3960)
- Synaptics.exe (PID: 1956)
Reads the computer name
- orcus_premium.exe (PID: 3588)
- ._cache_orcus_premium.exe (PID: 3960)
- Synaptics.exe (PID: 1956)
Creates files in the program directory
- orcus_premium.exe (PID: 3588)
Drops a file with a compile date too recent
- orcus_premium.exe (PID: 3588)
Executable content was dropped or overwritten
- orcus_premium.exe (PID: 3588)
Drops a file with too old compile date
- orcus_premium.exe (PID: 3588)
Reads the date of Windows installation
- orcus_premium.exe (PID: 3588)
Reads Environment values
- ._cache_orcus_premium.exe (PID: 3960)
Adds / modifies Windows certificates
- Synaptics.exe (PID: 1956)
Creates files in the user directory
- Synaptics.exe (PID: 1956)
INFO
Reads settings of System Certificates
- ._cache_orcus_premium.exe (PID: 3960)
- Synaptics.exe (PID: 1956)
Checks Windows Trust Settings
- Synaptics.exe (PID: 1956)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Borland Delphi 7 (83.1) |
|---|---|---|
| .exe | | | Inno Setup installer (13.7) |
| .exe | | | Win32 Executable Delphi generic (1.7) |
| .exe | | | Win32 Executable (generic) (0.5) |
| .exe | | | Win16/32 Executable Delphi generic (0.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:20 00:22:17+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 629760 |
| InitializedDataSize: | 5383680 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x9ab80 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.4 |
| ProductVersionNumber: | 1.0.0.4 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Turkish |
| CharacterSet: | Windows, Turkish |
| CompanyName: | Synaptics |
| FileDescription: | Synaptics Pointing Device Driver |
| FileVersion: | 1.0.0.4 |
| InternalName: | - |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | - |
| ProductName: | Synaptics Pointing Device Driver |
| ProductVersion: | 1.0.0.0 |
| Comments: | - |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 19-Jun-1992 22:22:17 |
| Detected languages: |
|
| CompanyName: | Synaptics |
| FileDescription: | Synaptics Pointing Device Driver |
| FileVersion: | 1.0.0.4 |
| InternalName: | - |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | - |
| ProductName: | Synaptics Pointing Device Driver |
| ProductVersion: | 1.0.0.0 |
| Comments: | - |
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 | 0x00099BEC | 0x00099C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.57296 |
DATA | 0x0009B000 | 0x00002E54 | 0x00003000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.85462 |
BSS | 0x0009E000 | 0x000011E5 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.idata | 0x000A0000 | 0x00002A42 | 0x00002C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.91933 |
.tls | 0x000A3000 | 0x00000010 | 0x00000000 | IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rdata | 0x000A4000 | 0x00000039 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 0.78462 |
.reloc | 0x000A5000 | 0x0000A980 | 0x0000AA00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 6.67412 |
.rsrc | 0x000B0000 | 0x00511D30 | 0x00511E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_SHARED | 1.84082 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.22416 | 772 | Latin 1 / Western European | Turkish - Turkey | RT_VERSION |
2 | 2.80231 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
3 | 3.00046 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
4 | 2.56318 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
5 | 2.6949 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
6 | 2.62527 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
7 | 2.91604 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
4073 | 3.23351 | 856 | Latin 1 / Western European | UNKNOWN | RT_STRING |
4074 | 3.23989 | 1064 | Latin 1 / Western European | UNKNOWN | RT_STRING |
4075 | 3.15413 | 932 | Latin 1 / Western European | UNKNOWN | RT_STRING |
Imports
advapi32.dll |
comctl32.dll |
gdi32.dll |
kernel32.dll |
netapi32.dll |
ole32.dll |
oleaut32.dll |
shell32.dll |
user32.dll |
version.dll |
Total processes
41
Monitored processes
3
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3588 | "C:\Users\admin\AppData\Local\Temp\orcus_premium.exe" | C:\Users\admin\AppData\Local\Temp\orcus_premium.exe | Explorer.EXE | ||||||||||||
User: admin Company: Synaptics Integrity Level: MEDIUM Description: Synaptics Pointing Device Driver Exit code: 0 Version: 1.0.0.4 Modules
| |||||||||||||||
| 3960 | "C:\Users\admin\AppData\Local\Temp\._cache_orcus_premium.exe" | C:\Users\admin\AppData\Local\Temp\._cache_orcus_premium.exe | orcus_premium.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 1.0.0.0 Modules
| |||||||||||||||
| 1956 | "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate | C:\ProgramData\Synaptics\Synaptics.exe | orcus_premium.exe | ||||||||||||
User: admin Company: Synaptics Integrity Level: HIGH Description: Synaptics Pointing Device Driver Version: 1.0.0.4 Modules
| |||||||||||||||
Total events
10 441
Read events
10 328
Write events
113
Delete events
0
Modification events
| (PID) Process: | (3588) orcus_premium.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (3588) orcus_premium.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (3588) orcus_premium.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (3588) orcus_premium.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3588) orcus_premium.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Synaptics Pointing Device Driver |
Value: C:\ProgramData\Synaptics\Synaptics.exe | |||
| (PID) Process: | (3588) orcus_premium.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3960) ._cache_orcus_premium.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1956) Synaptics.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (1956) Synaptics.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value: 460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (1956) Synaptics.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
Executable files
4
Suspicious files
8
Text files
2
Unknown types
4
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3588 | orcus_premium.exe | C:\Users\admin\AppData\Local\Temp\._cache_orcus_premium.exe | executable | |
MD5:0498F32DD9F785E3B29001C47BCEF7F2 | SHA256:B5A9E6D552748C0E1106DF77AA951CD48DEB4A3AF5F4F5EAC5DF7740B2C6C508 | |||
| 1956 | Synaptics.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:674FB61976E4BD4C8A034B337B110629 | SHA256:7EB6A59E461C36D4CD16DD22C28CEACC2623E81FA281A7B620BFD06F328DF85A | |||
| 3960 | ._cache_orcus_premium.exe | C:\Users\admin\AppData\Local\Temp\TarE2C8.tmp | cat | |
MD5:D99661D0893A52A0700B8AE68457351A | SHA256:BDD5111162A6FA25682E18FA74E37E676D49CAFCB5B7207E98E5256D1EF0D003 | |||
| 3960 | ._cache_orcus_premium.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:5698AA6792EBC08BE60C968CC8D4BC7C | SHA256:BA2D93EA88F6E45961757D22FD6F92A835B436AB1794CDA1B8D87D48353A6A72 | |||
| 1956 | Synaptics.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA | der | |
MD5:0213524244EAF6A7E638BB1910432065 | SHA256:2CCB09AE116851A6DFF4849062A18092D522A05897CECB74DFCA383AA2DEA296 | |||
| 1956 | Synaptics.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\FC8OJRTI.txt | text | |
MD5:DD2BE3BDD46894B554BC0929D0726A36 | SHA256:07D8A4CB0A4BDAA4BB01333D50710F0CC0450D1B18092F4F89D3477FD5E5A800 | |||
| 1956 | Synaptics.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F07644E38ED7C9F37D11EEC6D4335E02_C15B120C7F4EE6F1182923868E66174B | der | |
MD5:F866FF7D1A533D7938A36C851589902C | SHA256:7302B62FC43148A3BC5C6923280C81DA999442E1C353078D327D4F9C5CCE2AC4 | |||
| 1956 | Synaptics.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA | binary | |
MD5:60AA37BAFFC6B66C52D79A60BC7DDEB6 | SHA256:821EA8BC8D36866CD0AB7E3A3F91DD4B26BA435F85FAC52039010C618EAF3A6E | |||
| 3588 | orcus_premium.exe | C:\ProgramData\Synaptics\Synaptics.exe | executable | |
MD5:28DCEEF73DCF576AFA2F57E55F1170F4 | SHA256:49DC2A414921650BA62FDBA2B7A05013E451426D11C64464EFACF54610DB21FC | |||
| 1956 | Synaptics.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F07644E38ED7C9F37D11EEC6D4335E02_C15B120C7F4EE6F1182923868E66174B | binary | |
MD5:F361A2EEFE0F64DC69EA28A523B57DC7 | SHA256:BA8754D095C383CE3F9FF9E588BBF218BD8C2B817C23CA982883E2648FF82D5D | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
23
DNS requests
10
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1956 | Synaptics.exe | GET | 200 | 216.58.212.163:80 | http://ocsp.pki.goog/gsr1/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS3V7W2nAf4FiMTjpDJKg6%2BMgGqMQQUYHtmGkUNl8qJUC99BM00qP%2F8%2FUsCEHe9DWzbNvka6iEPxPBY0w0%3D | US | der | 1.41 Kb | whitelisted |
1956 | Synaptics.exe | GET | 200 | 93.184.221.240:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?8d3e1c023fb22ceb | US | compressed | 4.70 Kb | whitelisted |
3960 | ._cache_orcus_premium.exe | GET | 200 | 2.16.106.233:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?7fd51eea743801c7 | unknown | compressed | 59.9 Kb | whitelisted |
1956 | Synaptics.exe | GET | 200 | 216.58.212.163:80 | http://ocsp.pki.goog/gts1c3/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBTHLnmK3f9hNLO67UdCuLvGwCQHYwQUinR%2Fr4XN7pXNPZzQ4kYU83E1HScCEQC04WHG3wyS9QoAAAABK3x8 | US | der | 472 b | whitelisted |
1956 | Synaptics.exe | GET | 200 | 69.42.215.252:80 | http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978 | US | text | 31 b | whitelisted |
1956 | Synaptics.exe | GET | 200 | 216.58.212.163:80 | http://ocsp.pki.goog/gtsr1/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBQwkcLWD4LqGJ7bE7B1XZsEbmfwUAQU5K8rJnEaK0gnhS9SZizv8IkTcT4CDQIDvFNZazTHGPUBUGY%3D | US | der | 724 b | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3960 | ._cache_orcus_premium.exe | 3.131.147.49:13565 | 4.tcp.ngrok.io | — | US | malicious |
3960 | ._cache_orcus_premium.exe | 2.16.106.233:80 | ctldl.windowsupdate.com | Akamai International B.V. | — | whitelisted |
1956 | Synaptics.exe | 69.42.215.252:80 | freedns.afraid.org | Awknet Communications, LLC | US | malicious |
3960 | ._cache_orcus_premium.exe | 3.133.207.110:13565 | 4.tcp.ngrok.io | — | US | malicious |
1956 | Synaptics.exe | 142.250.186.142:443 | docs.google.com | Google Inc. | US | whitelisted |
1956 | Synaptics.exe | 216.58.212.163:80 | ocsp.pki.goog | Google Inc. | US | whitelisted |
— | — | 3.133.207.110:13565 | 4.tcp.ngrok.io | — | US | malicious |
1956 | Synaptics.exe | 93.184.221.240:80 | ctldl.windowsupdate.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
4.tcp.ngrok.io |
| malicious |
ctldl.windowsupdate.com |
| whitelisted |
xred.mooo.com |
| suspicious |
freedns.afraid.org |
| whitelisted |
docs.google.com |
| shared |
ocsp.pki.goog |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to Abused Domain *.mooo.com |
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a *.ngrok domain (ngrok.io) |
4 ETPRO signatures available at the full report