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File name:

22.exe

Full analysis: https://app.any.run/tasks/ff286e66-ddb7-4677-a976-e9125ee3db61
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 20, 2022, 19:55:12
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:

E2B8D1B8CA220AD75C48137A6195003C

SHA1:

4D4A8F13F8678A2C5D7F7D2D3C7E725594804D52

SHA256:

5354BA1F17B8F927E40FE9B80697AC9205F02CF4B9B217665340FC025343653E

SSDEEP:

24576:yhg4MROxnFp/iJarZlI0AilFEvxHiKWC3:yhDMifKMrZlI0AilFEvxHi

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

    • Starts Visual C# compiler

      • 22.exe (PID: 1364)
      • 22.exe (PID: 1612)
    • ORCUS was detected

      • 22.exe (PID: 1364)
      • 22.exe (PID: 1612)
      • Orcus.exe (PID: 1580)
    • Drops executable file immediately after starts

      • csc.exe (PID: 3976)
      • csc.exe (PID: 3356)
      • 22.exe (PID: 1612)
  • SUSPICIOUS

    • Checks supported languages

      • 22.exe (PID: 1364)
      • cvtres.exe (PID: 1124)
      • csc.exe (PID: 3976)
      • 22.exe (PID: 1612)
      • csc.exe (PID: 3356)
      • cvtres.exe (PID: 3616)
      • Orcus.exe (PID: 1580)
    • Executable content was dropped or overwritten

      • csc.exe (PID: 3976)
      • csc.exe (PID: 3356)
      • 22.exe (PID: 1612)
    • Reads the computer name

      • 22.exe (PID: 1364)
      • 22.exe (PID: 1612)
      • Orcus.exe (PID: 1580)
    • Drops a file with a compile date too recent

      • csc.exe (PID: 3976)
      • csc.exe (PID: 3356)
      • 22.exe (PID: 1612)
    • Application launched itself

      • 22.exe (PID: 1364)
    • Creates files in the program directory

      • 22.exe (PID: 1612)
    • Creates a directory in Program Files

      • 22.exe (PID: 1612)
    • Starts itself from another location

      • 22.exe (PID: 1612)
  • INFO

    No info indicators.
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: 2022:05:20 21:55:01+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 20-May-2022 19:55:01
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: 20-May-2022 19:55:01
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
7.15165
.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.
screenshot
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 22.exe no specs csc.exe cvtres.exe no specs #ORCUS 22.exe csc.exe cvtres.exe no specs #ORCUS orcus.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1364"C:\Users\admin\AppData\Local\Temp\22.exe" C:\Users\admin\AppData\Local\Temp\22.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\22.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
3976"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\4h0hg9bf.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
22.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)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\csc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
1124C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES9A73.tmp" "c:\Users\admin\AppData\Local\Temp\CSC9A72.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)
Modules
Images
c:\windows\system32\ntdll.dll
c:\windows\microsoft.net\framework\v2.0.50727\cvtres.exe
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cryptsp.dll
1612"C:\Users\admin\AppData\Local\Temp\22.exe" /waitC:\Users\admin\AppData\Local\Temp\22.exe
22.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\22.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
3356"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\s5xcwupl.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
22.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)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\csc.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
3616C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESA2CF.tmp" "c:\Users\admin\AppData\Local\Temp\CSCA2CE.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)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\cvtres.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cryptsp.dll
1580"C:\Program Files\Orcus\Orcus.exe" C:\Program Files\Orcus\Orcus.exe
22.exe
User:
admin
Integrity Level:
HIGH
Version:
1.0.0.0
Modules
Images
c:\program files\orcus\orcus.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.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
Total events
1 495
Read events
1 479
Write events
16
Delete events
0

Modification events

(PID) Process:(1364) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1364) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1364) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1364) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(1612) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(1612) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(1612) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(1612) 22.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
3
Suspicious files
0
Text files
7
Unknown types
4

Dropped files

PID
Process
Filename
Type
3976csc.exeC:\Users\admin\AppData\Local\Temp\4h0hg9bf.outtext
MD5:24A2EE289EE9B2D834E7BF8A51C4C5FC
SHA256:DCD948C5D56A0B9F13EAC6BC49BFEBCBE1E9997B2C2B28F1C4DDE22D36D90DD9
136422.exeC:\Users\admin\AppData\Local\Temp\4h0hg9bf.0.cstext
MD5:631111EE31A0AD5E90C872BCD9E3BF64
SHA256:3A395B160554058DA9932B4CAE5DEB727EE7F911665C5B2F95A637BE07BBA572
1124cvtres.exeC:\Users\admin\AppData\Local\Temp\RES9A73.tmpo
MD5:730DA30DE5E228C9237A2D86DE257793
SHA256:AE4C0746DAE7024869DA5730CBE54B8B7E46F58261E8197C878E6C4B9E6F1EC9
3976csc.exeC:\Users\admin\AppData\Local\Temp\4h0hg9bf.dllexecutable
MD5:35B33C75194CC64CD3B422A69DE48740
SHA256:C587BF5155CC2B03FE07B3533F4DC56C949822867169705F113D665C5ACCB0D4
3976csc.exeC:\Users\admin\AppData\Local\Temp\CSC9A72.tmpres
MD5:4640C7068C54F73E465C7779C754C0F3
SHA256:871D67FA1964C40AD3F09C1C1804CB63315FC3A2D3D5F379D80BA23FF89510B3
136422.exeC:\Users\admin\AppData\Local\Temp\4h0hg9bf.cmdlinetext
MD5:0E0AD43D41081BD6826B53A976706BBF
SHA256:16A8033F8530BC44EE8596A565C8863E81D11968380B76EAFF8E75599E919379
3356csc.exeC:\Users\admin\AppData\Local\Temp\CSCA2CE.tmpres
MD5:D09F258B3D20726FEF78BB042A02EAC1
SHA256:5721FBA16ED7E27307C7078FF9DF7503D784E93F6F6AD6B637B33226FB970265
161222.exeC:\Program Files\Orcus\Orcus.exeexecutable
MD5:E2B8D1B8CA220AD75C48137A6195003C
SHA256:5354BA1F17B8F927E40FE9B80697AC9205F02CF4B9B217665340FC025343653E
3356csc.exeC:\Users\admin\AppData\Local\Temp\s5xcwupl.outtext
MD5:62F08D4B022919911A79DEB93E6C6561
SHA256:7636A521D32A0742170F931F29C806882F11A525B2425C37ED7BB2257A5C3141
161222.exeC:\Users\admin\AppData\Local\Temp\s5xcwupl.cmdlinetext
MD5:90053A011C073227A93D78C555C4793B
SHA256:EFE80FC91AE54058327775A254A37CEF0C06DB60B7BEDEB8ADFAE26629FE036F
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
192.168.100.168:55028
malicious
192.168.100.168:55223
malicious
192.168.100.168:55408
malicious
192.168.100.168:55589
malicious
192.168.100.168:55765
malicious

DNS requests

No data

Threats

No threats detected
No debug info