File name:

Ghostbruter.exe

Full analysis: https://app.any.run/tasks/2c9becc7-80d7-49a6-a90a-5e91c4a206cc
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.

Malware Trends Tracker     >>>
Analysis date: November 29, 2020, 20:52:56
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, Nullsoft Installer self-extracting archive
MD5:

41DE32D3BC50E4E40A837B37188ADCD0

SHA1:

D9FAB719964092AB7F48CC95EF0A89264CE4F8DE

SHA256:

64F8FF1AA337FD27A4560929BC5CC76CB0C43AAAD4DD771427C742FBC5531CAE

SSDEEP:

24576:rz1qxlLkCi4+syh3o1un9KpIVjEtEBH2qa5vvc4HpMy:f0bLkCR+TYuSIVj/v03c4p

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

    • Drops executable file immediately after starts

      • Ghostbruter.exe (PID: 2936)

    • ORCUS was detected

      • fsg.exe (PID: 2820)
      • Orcus.exe (PID: 3164)
      • Orcus.exe (PID: 3220)
      • WindowsWatchdog.exe (PID: 3648)

    • Application was dropped or rewritten from another process

      • fsg.exe (PID: 2820)
      • WindowsInput.exe (PID: 3176)
      • bruter.exe (PID: 2996)
      • WindowsInput.exe (PID: 3328)
      • Orcus.exe (PID: 3220)
      • WindowsWatchdog.exe (PID: 3648)
      • WindowsWatchdog.exe (PID: 2548)
      • Orcus.exe (PID: 3164)

    • Changes the autorun value in the registry

      • Orcus.exe (PID: 3164)

    • Loads the Task Scheduler COM API

      • Orcus.exe (PID: 3164)

    • Changes settings of System certificates

      • Orcus.exe (PID: 3164)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • bruter.exe (PID: 2996)

    • Executable content was dropped or overwritten

      • Ghostbruter.exe (PID: 2936)
      • Orcus.exe (PID: 3164)
      • fsg.exe (PID: 2820)

    • Drops a file with a compile date too recent

      • Ghostbruter.exe (PID: 2936)
      • fsg.exe (PID: 2820)

    • Creates files in the Windows directory

      • fsg.exe (PID: 2820)
      • WindowsInput.exe (PID: 3328)

    • Creates files in the program directory

      • fsg.exe (PID: 2820)

    • Creates a directory in Program Files

      • fsg.exe (PID: 2820)

    • Starts itself from another location

      • fsg.exe (PID: 2820)

    • Executed via Task Scheduler

      • Orcus.exe (PID: 3220)

    • Executed as Windows Service

      • WindowsInput.exe (PID: 3176)

    • Drops a file that was compiled in debug mode

      • Orcus.exe (PID: 3164)
      • fsg.exe (PID: 2820)

    • Reads Environment values

      • Orcus.exe (PID: 3164)

    • Application launched itself

      • WindowsWatchdog.exe (PID: 3648)

    • Creates files in the user directory

      • Orcus.exe (PID: 3164)

  • INFO

    • Reads settings of System Certificates

      • Orcus.exe (PID: 3164)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | NSIS - Nullsoft Scriptable Install System (94.8)
.exe | Win32 Executable MS Visual C++ (generic) (3.4)
.dll | Win32 Dynamic Link Library (generic) (0.7)
.exe | Win32 Executable (generic) (0.5)
.exe | Generic Win/DOS Executable (0.2)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2007:03:31 17:09:55+02:00
PEType: PE32
LinkerVersion: 6
CodeSize: 23552
InitializedDataSize: 165376
UninitializedDataSize: 1024
EntryPoint: 0x315d
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 31-Mar-2007 15:09:55
Detected languages:
  • English - United States

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: 0x000000D8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 31-Mar-2007 15:09:55
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LINE_NUMS_STRIPPED
  • IMAGE_FILE_LOCAL_SYMS_STRIPPED
  • IMAGE_FILE_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00005BBA
0x00005C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.47701
.rdata
0x00007000
0x000011F0
0x00001200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.27568
.data
0x00009000
0x000260D4
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
5.15843
.ndata
0x00030000
0x00008000
0x00000000
IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0
.rsrc
0x00038000
0x000215C8
0x00021600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.19967

Resources

Title
Entropy
Size
Codepage
Language
Type
1
7.97858
35745
UNKNOWN
English - United States
RT_ICON
2
4.95014
67624
UNKNOWN
English - United States
RT_ICON
3
5.11372
16936
UNKNOWN
English - United States
RT_ICON
4
5.23371
9640
UNKNOWN
English - United States
RT_ICON
5
5.42345
4264
UNKNOWN
English - United States
RT_ICON
6
5.75083
1128
UNKNOWN
English - United States
RT_ICON
103
2.79908
90
UNKNOWN
English - United States
RT_GROUP_ICON
105
2.66174
256
UNKNOWN
English - United States
RT_DIALOG
106
2.88094
284
UNKNOWN
English - United States
RT_DIALOG
111
2.48825
96
UNKNOWN
English - United States
RT_DIALOG

Imports

ADVAPI32.dll
COMCTL32.dll
GDI32.dll
KERNEL32.dll
SHELL32.dll
USER32.dll
VERSION.dll
ole32.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
12
Malicious processes
5
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start drop and start drop and start drop and start ghostbruter.exe #ORCUS fsg.exe bruter.exe no specs cmd.exe no specs mode.com no specs windowsinput.exe no specs windowsinput.exe no specs #ORCUS orcus.exe #ORCUS orcus.exe no specs #ORCUS windowswatchdog.exe no specs windowswatchdog.exe no specs ghostbruter.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1596mode con: cols=67 lines=30C:\Windows\system32\mode.com—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
DOS Device MODE Utility
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\mode.com
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ulib.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
2548"C:\Users\admin\AppData\Roaming\WindowsWatchdog.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 3164 "/protectFile"C:\Users\admin\AppData\Roaming\WindowsWatchdog.exe—WindowsWatchdog.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\roaming\windowswatchdog.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
2728"C:\Users\admin\AppData\Local\Temp\Ghostbruter.exe" C:\Users\admin\AppData\Local\Temp\Ghostbruter.exe—explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
3221226540
Modules
Images
c:\users\admin\appdata\local\temp\ghostbruter.exe
c:\systemroot\system32\ntdll.dll
2820"C:\Users\admin\AppData\Local\Temp\fsg.exe" C:\Users\admin\AppData\Local\Temp\fsg.exe
Ghostbruter.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\fsg.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
2936"C:\Users\admin\AppData\Local\Temp\Ghostbruter.exe" C:\Users\admin\AppData\Local\Temp\Ghostbruter.exe
explorer.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\ghostbruter.exe
c:\systemroot\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\shell32.dll
2996"C:\Users\admin\AppData\Local\Temp\bruter.exe" C:\Users\admin\AppData\Local\Temp\bruter.exe—Ghostbruter.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\bruter.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3164"C:\Program Files\Orcus\Orcus.exe" C:\Program Files\Orcus\Orcus.exe
fsg.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\program files\orcus\orcus.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3176"C:\Windows\system32\WindowsInput.exe"C:\Windows\system32\WindowsInput.exe—services.exe
User:
SYSTEM
Company:
Microsoft
Integrity Level:
SYSTEM
Description:
Windows Input
Exit code:
0
Version:
0.1.0
Modules
Images
c:\windows\system32\windowsinput.exe
c:\systemroot\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
3220"C:\Program Files\Orcus\Orcus.exe" C:\Program Files\Orcus\Orcus.exe
taskeng.exe
User:
admin
Integrity Level:
HIGH
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\program files\orcus\orcus.exe
c:\systemroot\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
3328"C:\Windows\system32\WindowsInput.exe" --installC:\Windows\system32\WindowsInput.exe—fsg.exe
User:
admin
Company:
Microsoft
Integrity Level:
HIGH
Description:
Windows Input
Exit code:
0
Version:
0.1.0
Modules
Images
c:\windows\system32\windowsinput.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
1 217
Read events
1 183
Write events
34
Delete events
0

Modification events

(PID) Process:(2936) Ghostbruter.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2936) Ghostbruter.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3328) WindowsInput.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\eventlog\Application
Operation:writeName:AutoBackupLogFiles
Value:
0
(PID) Process:(3328) WindowsInput.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\eventlog\Application\WindowsInput
Operation:writeName:EventMessageFile
Value:
C:\Windows\Microsoft.NET\Framework\v4.0.30319\EventLogMessages.dll
(PID) Process:(3328) WindowsInput.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3328) WindowsInput.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2820) fsg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(2820) fsg.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3164) Orcus.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:important
Value:
"C:\Program Files\Orcus\Orcus.exe"
(PID) Process:(3164) Orcus.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
Executable files
5
Suspicious files
4
Text files
5
Unknown types
0

Dropped files

PID
Process
Filename
Type
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\CabBADD.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\TarBADE.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\CabBAFF.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\TarBB00.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\CabBC49.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\TarBC4A.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\CabBD06.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\TarBD07.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\CabBD18.tmp —
MD5:—
SHA256:—
3164Orcus.exeC:\Users\admin\AppData\Local\Temp\TarBD19.tmp —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
2
DNS requests
2
Threats
4

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3164
Orcus.exe
GET
304
67.27.235.254:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
57.5 Kb
whitelisted
3164
Orcus.exe
GET
200
67.27.235.254:80
http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
US
compressed
57.5 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
3164
Orcus.exe
67.27.235.254:80
www.download.windowsupdate.com
Level 3 Communications, Inc.
US
suspicious
3164
Orcus.exe
193.161.193.99:39894
skid81-39894.portmap.io
OOO Bitree Networks
RU
malicious

DNS requests

Domain
IP
Reputation
skid81-39894.portmap.io
  • 193.161.193.99
malicious
www.download.windowsupdate.com
  • 67.27.235.254
  • 8.248.113.254
  • 8.248.133.254
  • 8.253.204.121
  • 67.27.233.254
whitelisted

Threats

PID
Process
Class
Message
1056
svchost.exe
Potential Corporate Privacy Violation
ET POLICY DNS Query to a Reverse Proxy Service Observed
3164
Orcus.exe
Misc Attack
ET TOR Known Tor Relay/Router (Not Exit) Node Traffic group 392
3164
Orcus.exe
A Network Trojan was detected
MALWARE [PTsecurity] Malicious SSL connection (Orcus RAT)
1 ETPRO signatures available at the full report
No debug info
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Reports
Ghostbruter.exe