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File name:

orcus_premium.exe

Full analysis: https://app.any.run/tasks/891c145c-ea55-478e-979a-bb2f88d4d2bb
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, 16:01:42
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
installer
rat
orcus
trojan
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

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Application was dropped or rewritten from another process

      • ._cache_orcus_premium.exe (PID: 3960)
      • Synaptics.exe (PID: 2432)
    • ORCUS was detected

      • ._cache_orcus_premium.exe (PID: 3960)
    • Changes the autorun value in the registry

      • orcus_premium.exe (PID: 3432)
    • Drops executable file immediately after starts

      • orcus_premium.exe (PID: 3432)
    • Connects to CnC server

      • Synaptics.exe (PID: 2432)
    • Changes settings of System certificates

      • Synaptics.exe (PID: 2432)
  • SUSPICIOUS

    • Reads the date of Windows installation

      • orcus_premium.exe (PID: 3432)
    • Checks supported languages

      • ._cache_orcus_premium.exe (PID: 3960)
      • orcus_premium.exe (PID: 3432)
      • Synaptics.exe (PID: 2432)
    • Reads the computer name

      • Synaptics.exe (PID: 2432)
      • orcus_premium.exe (PID: 3432)
      • ._cache_orcus_premium.exe (PID: 3960)
    • Creates files in the program directory

      • orcus_premium.exe (PID: 3432)
    • Executable content was dropped or overwritten

      • orcus_premium.exe (PID: 3432)
    • Drops a file with a compile date too recent

      • orcus_premium.exe (PID: 3432)
    • Drops a file with too old compile date

      • orcus_premium.exe (PID: 3432)
    • Adds / modifies Windows certificates

      • Synaptics.exe (PID: 2432)
    • Creates files in the user directory

      • Synaptics.exe (PID: 2432)
  • INFO

    • Reads settings of System Certificates

      • Synaptics.exe (PID: 2432)
    • Checks Windows Trust Settings

      • Synaptics.exe (PID: 2432)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

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:
  • Turkish - Turkey
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:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_BYTES_REVERSED_HI
  • IMAGE_FILE_BYTES_REVERSED_LO
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED

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
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
3
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start drop and start start orcus_premium.exe #ORCUS ._cache_orcus_premium.exe synaptics.exe

Process information

PID
CMD
Path
Indicators
Parent process
3432"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
Images
c:\users\admin\appdata\local\temp\orcus_premium.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\sechost.dll
c:\windows\system32\oleaut32.dll
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
Images
c:\users\admin\appdata\local\temp\._cache_orcus_premium.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
2432"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdateC:\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
Images
c:\programdata\synaptics\synaptics.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
Total events
6 302
Read events
6 203
Write events
0
Delete events
0

Modification events

No data
Executable files
4
Suspicious files
5
Text files
2
Unknown types
3

Dropped files

PID
Process
Filename
Type
2432Synaptics.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:822A02DB1D8D02A02BCF89F7D06476B1
SHA256:6516C2D0F9465E840AF9AA0EC4E05EE0FEE26C49B7F0ECD1E0AF4C07F451FDB7
2432Synaptics.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAbinary
MD5:89DABD4D516FB597F145D52FDE0C14DD
SHA256:44A8D5DEF427F8BE3C473A0BAA93595B1957380F08D7C40D474BC55C74EFD41C
2432Synaptics.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F07644E38ED7C9F37D11EEC6D4335E02_C15B120C7F4EE6F1182923868E66174Bbinary
MD5:09B497FC0DACD5BBB14C7E436AB7A67A
SHA256:056BCE99EDA6811877D52D6DE4E7B24DE34E7232B5FBBB2773E2869CCE32D373
3432orcus_premium.exeC:\Users\admin\AppData\Local\Temp\._cache_orcus_premium.exeexecutable
MD5:0498F32DD9F785E3B29001C47BCEF7F2
SHA256:B5A9E6D552748C0E1106DF77AA951CD48DEB4A3AF5F4F5EAC5DF7740B2C6C508
2432Synaptics.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_A7725538C46DE2D0088EE44974E2CEBAbinary
MD5:C162938AD3629610A017D6B7DCAF3DF5
SHA256:0704299A8C70A3A87808078B00E7D965F22097E2F3F9393162FAA4F1C793A18A
2432Synaptics.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EAder
MD5:0213524244EAF6A7E638BB1910432065
SHA256:2CCB09AE116851A6DFF4849062A18092D522A05897CECB74DFCA383AA2DEA296
2432Synaptics.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F07644E38ED7C9F37D11EEC6D4335E02_C15B120C7F4EE6F1182923868E66174Bder
MD5:F866FF7D1A533D7938A36C851589902C
SHA256:7302B62FC43148A3BC5C6923280C81DA999442E1C353078D327D4F9C5CCE2AC4
3432orcus_premium.exeC:\ProgramData\Synaptics\RCXD0D5.tmpexecutable
MD5:8961040B2634ACA514C74EAC9DB20E5C
SHA256:1AE0176F0CDEB8530C5B63BF7D5B00FE60F14377F1996CE400C0F349B590869C
2432Synaptics.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_A7725538C46DE2D0088EE44974E2CEBAder
MD5:64E9B8BB98E2303717538CE259BEC57D
SHA256:76BD459EC8E467EFC3E3FB94CB21B9C77A2AA73C9D4C0F3FAF823677BE756331
2432Synaptics.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Cookies\HDFRLRZ3.txttext
MD5:AEA7B61EEDBCA9022330EE08231C9EEA
SHA256:016DE4A9399548CD1066F2E567DC81889618BA5172C72B3F8486C25ADCAEF028
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
79
DNS requests
13
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2432
Synaptics.exe
GET
200
142.250.186.131:80
http://ocsp.pki.goog/gtsr1/ME4wTDBKMEgwRjAJBgUrDgMCGgUABBQwkcLWD4LqGJ7bE7B1XZsEbmfwUAQU5K8rJnEaK0gnhS9SZizv8IkTcT4CDQIDvFNZazTHGPUBUGY%3D
US
der
724 b
whitelisted
2432
Synaptics.exe
GET
200
142.250.186.131:80
http://ocsp.pki.goog/gsr1/MFEwTzBNMEswSTAJBgUrDgMCGgUABBS3V7W2nAf4FiMTjpDJKg6%2BMgGqMQQUYHtmGkUNl8qJUC99BM00qP%2F8%2FUsCEHe9DWzbNvka6iEPxPBY0w0%3D
US
der
1.41 Kb
whitelisted
2432
Synaptics.exe
GET
200
69.42.215.252:80
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
US
text
31 b
whitelisted
2432
Synaptics.exe
GET
200
142.250.186.131:80
http://ocsp.pki.goog/gts1c3/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBTHLnmK3f9hNLO67UdCuLvGwCQHYwQUinR%2Fr4XN7pXNPZzQ4kYU83E1HScCEQC04WHG3wyS9QoAAAABK3x8
US
der
472 b
whitelisted
2432
Synaptics.exe
GET
200
178.79.242.128:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?8d3e1c023fb22ceb
DE
compressed
4.70 Kb
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2432
Synaptics.exe
142.250.184.238:443
docs.google.com
Google Inc.
US
whitelisted
2432
Synaptics.exe
69.42.215.252:80
freedns.afraid.org
Awknet Communications, LLC
US
malicious
2432
Synaptics.exe
178.79.242.128:80
ctldl.windowsupdate.com
Limelight Networks, Inc.
DE
malicious
3960
._cache_orcus_premium.exe
3.129.187.220:13565
4.tcp.ngrok.io
US
malicious
3.129.187.220:13565
4.tcp.ngrok.io
US
malicious
2432
Synaptics.exe
142.250.186.131:80
ocsp.pki.goog
Google Inc.
US
whitelisted
3960
._cache_orcus_premium.exe
3.131.147.49:13565
4.tcp.ngrok.io
US
malicious
3960
._cache_orcus_premium.exe
3.133.207.110:13565
4.tcp.ngrok.io
US
malicious
3.133.207.110:13565
4.tcp.ngrok.io
US
malicious
3.136.65.236:13565
4.tcp.ngrok.io
US
malicious

DNS requests

Domain
IP
Reputation
4.tcp.ngrok.io
  • 3.133.207.110
  • 3.129.187.220
  • 3.131.147.49
  • 3.138.180.119
  • 3.136.65.236
malicious
xred.mooo.com
suspicious
freedns.afraid.org
  • 69.42.215.252
whitelisted
docs.google.com
  • 142.250.184.238
shared
ctldl.windowsupdate.com
  • 178.79.242.128
  • 178.79.242.0
whitelisted
ocsp.pki.goog
  • 142.250.186.131
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)
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)
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)
Potential Corporate Privacy Violation
ET POLICY DNS Query to a *.ngrok domain (ngrok.io)
3 ETPRO signatures available at the full report
No debug info