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File name:

1.exe

Full analysis: https://app.any.run/tasks/9d8a5b8b-ec1c-400f-b06c-e7e5cd620d02
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: May 21, 2022, 08:17:56
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
orcus
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

F74B3663D33F58D0B47A044C1C444EE9

SHA1:

50B100D840FD4A30F8EBDE23504276CF61CF872D

SHA256:

A4C2B54D2F4EDA0B094DC60539C12A69CD0246E3C9043B4A7EDC1B5B82DA3B0C

SSDEEP:

12288:Q5STYf+qnR7Fkxh7dG1lFlWcYT70pxnnaaoawASIh4JWVGhrZNrI0AilFEvxHvB9:Mhg4MROxnFp/iJZrZlI0AilFEvxHiM3

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

    • ORCUS was detected

      • 1.exe (PID: 2764)
      • 1.exe (PID: 1868)
      • Orcus.exe (PID: 3648)
    • Starts Visual C# compiler

      • 1.exe (PID: 2764)
      • 1.exe (PID: 1868)
    • Drops executable file immediately after starts

      • csc.exe (PID: 3228)
      • csc.exe (PID: 1764)
      • 1.exe (PID: 1868)
  • SUSPICIOUS

    • Checks supported languages

      • cvtres.exe (PID: 3504)
      • 1.exe (PID: 2764)
      • csc.exe (PID: 3228)
      • csc.exe (PID: 1764)
      • 1.exe (PID: 1868)
      • cvtres.exe (PID: 2972)
      • Orcus.exe (PID: 3648)
    • Creates files in the user directory

      • 1.exe (PID: 2764)
    • Executable content was dropped or overwritten

      • csc.exe (PID: 3228)
      • csc.exe (PID: 1764)
      • 1.exe (PID: 1868)
    • Reads the computer name

      • 1.exe (PID: 2764)
      • 1.exe (PID: 1868)
      • Orcus.exe (PID: 3648)
    • Drops a file with a compile date too recent

      • csc.exe (PID: 3228)
      • csc.exe (PID: 1764)
      • 1.exe (PID: 1868)
    • Application launched itself

      • 1.exe (PID: 2764)
    • Creates files in the program directory

      • 1.exe (PID: 1868)
    • Creates a directory in Program Files

      • 1.exe (PID: 1868)
    • Starts itself from another location

      • 1.exe (PID: 1868)
  • INFO

    • Dropped object may contain Bitcoin addresses

      • 1.exe (PID: 2764)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.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)

EXIF

EXE

AssemblyVersion: 1.0.0.0
ProductVersion: 1.0.0.0
ProductName: -
OriginalFileName: Orcus.exe
LegalTrademarks: -
LegalCopyright: -
InternalName: Orcus.exe
FileVersion: 1.0.0.0
FileDescription: -
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.0.0.0
FileVersionNumber: 1.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0xe424e
UninitializedDataSize: -
InitializedDataSize: 4608
CodeSize: 926720
LinkerVersion: 8
PEType: PE32
TimeStamp: 2022:05:21 10:13:55+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 21-May-2022 08:13:55
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

DOS Header

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

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 21-May-2022 08:13:55
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x000E2254
0x000E2400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.15175
.rsrc
0x000E6000
0x00001000
0x00001000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.99406
.reloc
0x000E8000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
4.99793
3128
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
44
Monitored processes
7
Malicious processes
3
Suspicious processes
2

Behavior graph

Click at the process to see the details
start drop and start #ORCUS 1.exe no specs csc.exe cvtres.exe no specs #ORCUS 1.exe csc.exe cvtres.exe no specs #ORCUS orcus.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2764"C:\Users\admin\AppData\Local\Temp\1.exe" C:\Users\admin\AppData\Local\Temp\1.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
3228"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\_e92p7x-.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
1.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
8.0.50727.5483 (Win7SP1GDR.050727-5400)
3504C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES443F.tmp" "c:\Users\admin\AppData\Local\Temp\CSC443E.tmp"C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.execsc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
8.00.50727.5003 (Win7SP1GDR.050727-5400)
1868"C:\Users\admin\AppData\Local\Temp\1.exe" /waitC:\Users\admin\AppData\Local\Temp\1.exe
1.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
1764"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\gqx9_wpk.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
1.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
8.0.50727.5483 (Win7SP1GDR.050727-5400)
2972C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES5528.tmp" "c:\Users\admin\AppData\Local\Temp\CSC5527.tmp"C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.execsc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
8.00.50727.5003 (Win7SP1GDR.050727-5400)
3648"C:\Program Files\Orcus\Orcus.exe" C:\Program Files\Orcus\Orcus.exe
1.exe
User:
admin
Integrity Level:
HIGH
Version:
1.0.0.0
Total events
1 502
Read events
1 486
Write events
16
Delete events
0

Modification events

(PID) Process:(2764) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2764) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2764) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2764) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(1868) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1868) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1868) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1868) 1.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
3
Suspicious files
0
Text files
8
Unknown types
4

Dropped files

PID
Process
Filename
Type
27641.exeC:\Users\admin\AppData\Local\Temp\_e92p7x-.0.cstext
MD5:4BC4E078E1587E5D07E28A54CAAB2D59
SHA256:0751A83E064EC80166621C88CA4C65AC638A697FD8E1ACD47ED23A553EDF400E
3228csc.exeC:\Users\admin\AppData\Local\Temp\_e92p7x-.dllexecutable
MD5:E36C13565ED383BEF419AB823CFE80B0
SHA256:C2E708B8FDF7A15CB32CF9A2A7C70A249E6D922B59E9B8A49221A6B9454600B7
3228csc.exeC:\Users\admin\AppData\Local\Temp\_e92p7x-.outtext
MD5:48FC4EBEBD4DC7C59DDA7005CDE1AECB
SHA256:07C986DE8710CB227184BB1995BD5F09F0F5756DFDE0E9EBC36B175C6328E06E
27641.exeC:\Users\admin\AppData\Local\Temp\_e92p7x-.cmdlinetext
MD5:14BA0D50EFF25EF8F0155F3F67BEDEA1
SHA256:2D249175AD9561D021B739839E37FA6A0762EE7C3578B8C904D5BD5C03359DA3
3228csc.exeC:\Users\admin\AppData\Local\Temp\CSC443E.tmpres
MD5:84359110467B5EA80952D2296175F710
SHA256:A3AF9C09F349CF648D72AFD5DA4844AEAE2DE226F87A4D60D1B367E5762C1B78
3504cvtres.exeC:\Users\admin\AppData\Local\Temp\RES443F.tmpo
MD5:4F7A2655571099259BF435A0743E4101
SHA256:7C3F03286F7711EC13D7626DAD79DC74DF8038781AC4C7137957B04A63D44B4A
27641.exeC:\Users\admin\AppData\Roaming\.orcusInstallationtext
MD5:06940A4D1B59C82559D2841D3573DAC3
SHA256:0006E629407522F68F809C14CA66DF80F081EC5AA98F97AD826A5AD65BFE2E87
18681.exeC:\Users\admin\AppData\Local\Temp\gqx9_wpk.0.cstext
MD5:0C8CC1F1622A7220678DBEB2F028788F
SHA256:F9F22CF07C0E10AE24AECAA4628F27396F6243AFBBAE9F6E5F131925CCEE9AA6
1764csc.exeC:\Users\admin\AppData\Local\Temp\gqx9_wpk.outtext
MD5:AFAEE4356B8B82067542CB7E3B9D9503
SHA256:0EE3192AEFCCE77B54B4B250AFC6D60DCA4081123B35B024ABC8B00D8DB4CF17
2972cvtres.exeC:\Users\admin\AppData\Local\Temp\RES5528.tmpo
MD5:DA0A00B9129DB2BDF81E7D04304568EC
SHA256:7734D235DC9A1B9A608AA1484E96908A4B0A3D467B5A253892B53E542E6B45B7
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
5
DNS requests
0
Threats
0

HTTP requests

No 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
192.168.100.113:59319
malicious
192.168.100.113:58731
malicious
192.168.100.113:58925
malicious
192.168.100.113:59125
malicious
192.168.100.113:59511
malicious

DNS requests

No data

Threats

No threats detected
No debug info