File name:

nemesis.technology.exe

Full analysis: https://app.any.run/tasks/7f115079-c287-42c7-8502-35e1eebf09fe
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.

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Analysis date: June 30, 2020, 00:36:04
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, for MS Windows
MD5:

8A576E40D8FD9C1CF5308D5E2C8588AE

SHA1:

26FEDDD8B00C14D157C18396DEB4928A203E21A3

SHA256:

B52960B7CE7AE8C007C59626859816296471B7810036BAAA7B7B86C2CD6D6218

SSDEEP:

196608:xnjo4/vmFWXiXuUPSmSjMn59eT2BK9jFSz/8nxHmrYu9MzrgX+KpirCIlrAIeREz:xns4OWePNn5OxFzxAY0MzrE+59rH2Ez

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

      • bigboy.exe (PID: 1932)
      • bigboy.exe (PID: 3764)
      • Loader.exe (PID: 2712)
      • Loader.exe (PID: 2292)

    • Application was dropped or rewritten from another process

      • bigboy.exe (PID: 1932)
      • bigboy.exe (PID: 3764)
      • Loader.exe (PID: 2712)
      • Loader.exe (PID: 2292)

    • Starts Visual C# compiler

      • bigboy.exe (PID: 1932)
      • bigboy.exe (PID: 3764)

    • Loads the Task Scheduler COM API

      • Loader.exe (PID: 2712)

    • Changes the autorun value in the registry

      • Loader.exe (PID: 2712)

  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • nemesis.technology.exe (PID: 956)
      • bigboy.exe (PID: 3764)

    • Creates files in the program directory

      • bigboy.exe (PID: 3764)

    • Starts itself from another location

      • bigboy.exe (PID: 3764)

    • Application launched itself

      • bigboy.exe (PID: 1932)

    • Executed via Task Scheduler

      • Loader.exe (PID: 2292)

  • 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 | Win32 Executable (generic) (42.6)
.exe | Win16/32 Executable Delphi generic (19.5)
.exe | Generic Win/DOS Executable (18.9)
.exe | DOS Executable Generic (18.9)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 1992:06:20 00:22:17+02:00
PEType: PE32
LinkerVersion: 2.25
CodeSize: 5120
InitializedDataSize: 11285504
UninitializedDataSize: -
EntryPoint: 0xfab000
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 19-Jun-1992 22:22:17

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: 6
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
0x00001000
0x00008000
0x00000E00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.64597
.rsrc
0x00009000
0x00AC2910
0x00AC2A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.99595
.idata
0x00ACC000
0x00001000
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.30872
0x00ACD000
0x00301000
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.247578
eyoapxuv
0x00DCE000
0x001DD000
0x001DCA00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
7.95753
tgurgxoq
0x00FAB000
0x00001000
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.89626

Resources

Title
Entropy
Size
Codepage
Language
Type
A1
7.88323
926720
Latin 1 / Western European
UNKNOWN
RT_RCDATA
A2
7.99819
10355200
Latin 1 / Western European
UNKNOWN
RT_RCDATA
B1
3.32193
10
Latin 1 / Western European
UNKNOWN
RT_RCDATA
B2
4.22193
20
Latin 1 / Western European
UNKNOWN
RT_RCDATA
C1
0
1
Latin 1 / Western European
UNKNOWN
RT_RCDATA
C2
0
1
Latin 1 / Western European
UNKNOWN
RT_RCDATA
D1
0
1
Latin 1 / Western European
UNKNOWN
RT_RCDATA
D2
0
1
Latin 1 / Western European
UNKNOWN
RT_RCDATA
DVCLAL
3.875
16
Latin 1 / Western European
UNKNOWN
RT_RCDATA
E1
0
1
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

comctl32.dll
kernel32.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
47
Monitored processes
9
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start drop and start nemesis.technology.exe #ORCUS bigboy.exe no specs csc.exe no specs cvtres.exe no specs #ORCUS bigboy.exe csc.exe no specs cvtres.exe no specs #ORCUS loader.exe #ORCUS loader.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
956"C:\Users\admin\AppData\Local\Temp\nemesis.technology.exe" C:\Users\admin\AppData\Local\Temp\nemesis.technology.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\nemesis.technology.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_5.82.7601.17514_none_ec83dffa859149af\comctl32.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\gdi32.dll
1328C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES9D1D.tmp" "c:\Users\admin\AppData\Local\Temp\CSC9D1C.tmp"C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
8.00.50727.4940 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\cvtres.exe
c:\systemroot\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
1932"C:\Users\admin\AppData\Local\Temp\bigboy.exe" C:\Users\admin\AppData\Local\Temp\bigboy.exe
nemesis.technology.exe
User:
admin
Company:
nemesis.technology
Integrity Level:
MEDIUM
Description:
nemesis.technology
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\bigboy.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
2292"C:\Program Files\Nemesis\Loader.exe" C:\Program Files\Nemesis\Loader.exe
taskeng.exe
User:
admin
Company:
nemesis.technology
Integrity Level:
HIGH
Description:
nemesis.technology
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\program files\nemesis\loader.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
2368C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES91C3.tmp" "c:\Users\admin\AppData\Local\Temp\CSC91C2.tmp"C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
8.00.50727.4940 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\cvtres.exe
c:\systemroot\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
2712"C:\Program Files\Nemesis\Loader.exe" C:\Program Files\Nemesis\Loader.exe
bigboy.exe
User:
admin
Company:
nemesis.technology
Integrity Level:
HIGH
Description:
nemesis.technology
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\program files\nemesis\loader.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
3080"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\oly1p25e.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe—bigboy.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
8.0.50727.4927 (NetFXspW7.050727-4900)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\csc.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.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
3764"C:\Users\admin\AppData\Local\Temp\bigboy.exe" /waitC:\Users\admin\AppData\Local\Temp\bigboy.exe
bigboy.exe
User:
admin
Company:
nemesis.technology
Integrity Level:
HIGH
Description:
nemesis.technology
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\bigboy.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
3936"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\qlwrhezb.cmdline"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe—bigboy.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
8.0.50727.4927 (NetFXspW7.050727-4900)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\csc.exe
c:\systemroot\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
Total events
919
Read events
845
Write events
74
Delete events
0

Modification events

(PID) Process:(956) nemesis.technology.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(956) nemesis.technology.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(1932) bigboy.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12F\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(1932) bigboy.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\12F\52C64B7E
Operation:writeName:@C:\Windows\system32\ntshrui.dll,-103
Value:
S&hare with
(PID) Process:(1932) bigboy.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(1932) bigboy.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3764) bigboy.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3764) bigboy.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(2712) Loader.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Steampowered
Value:
"C:\Program Files\Nemesis\Loader.exe"
Executable files
3
Suspicious files
0
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
3080csc.exeC:\Users\admin\AppData\Local\Temp\CSC91C2.tmp —
MD5:—
SHA256:—
2368cvtres.exeC:\Users\admin\AppData\Local\Temp\RES91C3.tmp —
MD5:—
SHA256:—
3080csc.exeC:\Users\admin\AppData\Local\Temp\oly1p25e.dll —
MD5:—
SHA256:—
3080csc.exeC:\Users\admin\AppData\Local\Temp\oly1p25e.out —
MD5:—
SHA256:—
3764bigboy.exeC:\Users\admin\AppData\Local\Temp\qlwrhezb.0.cs —
MD5:—
SHA256:—
3764bigboy.exeC:\Users\admin\AppData\Local\Temp\qlwrhezb.cmdline —
MD5:—
SHA256:—
3936csc.exeC:\Users\admin\AppData\Local\Temp\CSC9D1C.tmp —
MD5:—
SHA256:—
1328cvtres.exeC:\Users\admin\AppData\Local\Temp\RES9D1D.tmp —
MD5:—
SHA256:—
3936csc.exeC:\Users\admin\AppData\Local\Temp\qlwrhezb.dll —
MD5:—
SHA256:—
3936csc.exeC:\Users\admin\AppData\Local\Temp\qlwrhezb.out —
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
1
Threats
1

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
2712
Loader.exe
2.94.233.48:1604
orcusrat.hopto.org
VimpelCom
RU
malicious

DNS requests

Domain
IP
Reputation
orcusrat.hopto.org
  • 2.94.233.48
malicious

Threats

PID
Process
Class
Message
1056
svchost.exe
Potentially Bad Traffic
ET POLICY DNS Query to DynDNS Domain *.hopto .org
Process
Message
nemesis.technology.exe
%s------------------------------------------------ --- WinLicense Professional --- --- (c)2012 Oreans Technologies --- ------------------------------------------------
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Reports
nemesis.technology.exe