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File name:

11.exe

Full analysis: https://app.any.run/tasks/664c0283-60a4-4791-a240-d48294a44503
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, 19:53:13
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:

D21771FC3977776EB09D061D51B4D3F3

SHA1:

662533D00A9F8C31CD639BEA68E6B2EE15446902

SHA256:

164F0242DB95614D584E6CAAC4A248BE8E7D65FA60145852023AA134DBDE7F36

SSDEEP:

24576:fhg4MROxnFp/iJerZlI0AilFEvxHi7E3:fhDMifK4rZlI0AilFEvxHi7

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

      • 11.exe (PID: 2832)
    • Starts Visual C# compiler

      • 11.exe (PID: 2832)
    • Drops executable file immediately after starts

      • csc.exe (PID: 3224)
  • SUSPICIOUS

    • Checks supported languages

      • csc.exe (PID: 3224)
      • 11.exe (PID: 2832)
      • cvtres.exe (PID: 2268)
    • Drops a file with a compile date too recent

      • csc.exe (PID: 3224)
    • Reads the computer name

      • 11.exe (PID: 2832)
    • Executable content was dropped or overwritten

      • csc.exe (PID: 3224)
  • 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 21:52:59+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 19:52:59
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 19:52:59
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
7.15192
.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
36
Monitored processes
3
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
start #ORCUS 11.exe no specs csc.exe cvtres.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
2832"C:\Users\admin\AppData\Local\Temp\11.exe" C:\Users\admin\AppData\Local\Temp\11.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
3224"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\ipomu7dr.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
11.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)
2268C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES4C7D.tmp" "c:\Users\admin\AppData\Local\Temp\CSC4C7C.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)
Total events
251
Read events
251
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
0
Text files
3
Unknown types
2

Dropped files

PID
Process
Filename
Type
283211.exeC:\Users\admin\AppData\Local\Temp\ipomu7dr.cmdlinetext
MD5:8732BFF584F5C70027BCE31400CEB7C8
SHA256:01FC15F66A10123AEABA7DAE4D9D6A6DDF4B3B878CAA32C9F9EF6F32E1C80A75
283211.exeC:\Users\admin\AppData\Local\Temp\ipomu7dr.0.cstext
MD5:0FCC47C76D2B3443B2F48EEFE19C7445
SHA256:0633C2313E823DC63782D46430446B26EB769F2B803E7D27F2B45945D5999CD1
3224csc.exeC:\Users\admin\AppData\Local\Temp\CSC4C7C.tmpres
MD5:E39975D00150D13813638675C5B9AD1F
SHA256:0247A29176323039BEDD3CFAEAD19D95CE516826B5C1B9AE9CAD2B790C6032D7
3224csc.exeC:\Users\admin\AppData\Local\Temp\ipomu7dr.dllexecutable
MD5:3910FBAB54CB5776BF7D7BE985FB6472
SHA256:668B9B69DD2C10010919B141E3A666C49AA1F719FFC85D1AA515A1367EFD07F0
2268cvtres.exeC:\Users\admin\AppData\Local\Temp\RES4C7D.tmpo
MD5:CE3AFF218814159A7F4BD6EE5B2DEEEF
SHA256:8EFE27A6F4C0CCEF061F710E77932849BC697105A8DECA312E4AED2A947EF9E4
3224csc.exeC:\Users\admin\AppData\Local\Temp\ipomu7dr.outtext
MD5:07F951B9B6B29E216260E5CFFBC6811E
SHA256:03724D0841B91499B4CE5FE6A9F112CD9A63150F2446C67475A97750C2A2F7B3
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
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

No data

DNS requests

No data

Threats

No threats detected
No debug info