General Info

File name

MSBuild.exe

Full analysis
https://app.any.run/tasks/fe7185af-88cd-40a1-aa3c-4d31a61a6cc9
Verdict
Malicious activity
Analysis date
8/13/2019, 19:47:28
OS:
Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:

trojan

Indicators:

MIME:
application/x-dosexec
File info:
PE32 executable (console) Intel 80386, for MS Windows
MD5

0f4f6913c3aa57b1fc5c807e0bc060fc

SHA1

00e02cba2d4f2aaabce64ed0c9c153c63bb9233e

SHA256

4ec1856bd5819a7edc96ec40c51acaa9d3045e2d0ea5f83459a4901371caf074

SSDEEP

3072:GCnnora8c7gnXjQZlDPQC2mCggio1nuMPI01v+VIGgkqbYdXCUb4:QNEua0V/Pj1+VpvX1U

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distored by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Software environment set and analysis options

Launch configuration

Task duration
300 seconds
Additional time used
240 seconds
Fakenet option
off
Heavy Evaision option
off
MITM proxy
off
Route via Tor
off
Network geolocation
off
Privacy
Public submission
Autoconfirmation of UAC
on

Software preset

  • Internet Explorer 8.0.7601.17514
  • Adobe Acrobat Reader DC MUI (15.023.20070)
  • Adobe Flash Player 26 ActiveX (26.0.0.131)
  • Adobe Flash Player 26 NPAPI (26.0.0.131)
  • Adobe Flash Player 26 PPAPI (26.0.0.131)
  • Adobe Refresh Manager (1.8.0)
  • CCleaner (5.35)
  • FileZilla Client 3.36.0 (3.36.0)
  • Google Chrome (75.0.3770.100)
  • Google Update Helper (1.3.34.7)
  • Java 8 Update 92 (8.0.920.14)
  • Java Auto Updater (2.8.92.14)
  • Microsoft .NET Framework 4.7.2 (4.7.03062)
  • Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Professional 2010 (14.0.6029.1000)
  • Microsoft Office Proof (English) 2010 (14.0.6029.1000)
  • Microsoft Office Proof (French) 2010 (14.0.6029.1000)
  • Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
  • Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
  • Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Office Single Image 2010 (14.0.6029.1000)
  • Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
  • Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
  • Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
  • Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
  • Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
  • Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
  • Microsoft Visual C++ 2015-2019 Redistributable (x86) - 14.21.27702 (14.21.27702.2)
  • Microsoft Visual C++ 2019 X86 Additional Runtime - 14.21.27702 (14.21.27702)
  • Microsoft Visual C++ 2019 X86 Minimum Runtime - 14.21.27702 (14.21.27702)
  • Mozilla Firefox 68.0.1 (x86 en-US) (68.0.1)
  • Notepad++ (32-bit x86) (7.5.1)
  • Opera 12.15 (12.15.1748)
  • Skype version 8.29 (8.29)
  • Update for Microsoft .NET Framework 4.7.2 (KB4087364) (1)
  • VLC media player (2.2.6)
  • WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

  • Client LanguagePack Package
  • Client Refresh LanguagePack Package
  • CodecPack Basic Package
  • Foundation Package
  • IE Troubleshooters Package
  • InternetExplorer Optional Package
  • KB2534111
  • KB2999226
  • KB4019990
  • KB976902
  • LocalPack AU Package
  • LocalPack CA Package
  • LocalPack GB Package
  • LocalPack US Package
  • LocalPack ZA Package
  • ProfessionalEdition
  • UltimateEdition

Behavior activities

MALICIOUS SUSPICIOUS INFO
Connects to CnC server
  • MSBuild.exe (PID: 3876)

No suspicious indicators.

No info indicators.

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Static information

TRiD
.exe
|   Win64 Executable (generic) (64.6%)
.dll
|   Win32 Dynamic Link Library (generic) (15.4%)
.exe
|   Win32 Executable (generic) (10.5%)
.exe
|   Generic Win/DOS Executable (4.6%)
.exe
|   DOS Executable Generic (4.6%)
EXIF
EXE
MachineType:
Intel 386 or later, and compatibles
TimeStamp:
2019:08:08 08:00:32+02:00
PEType:
PE32
LinkerVersion:
14
CodeSize:
136192
InitializedDataSize:
72192
UninitializedDataSize:
null
EntryPoint:
0xb9f4
OSVersion:
6
ImageVersion:
null
SubsystemVersion:
6
Subsystem:
Windows command line
Summary
Architecture:
IMAGE_FILE_MACHINE_I386
Subsystem:
IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date:
08-Aug-2019 06:00:32
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:
0x00000108
PE Headers
Signature:
PE
Machine:
IMAGE_FILE_MACHINE_I386
Number of sections:
6
Time date stamp:
08-Aug-2019 06:00:32
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 0x00001000 0x000213D5 0x00021400 IMAGE_SCN_CNT_CODE,IMAGE_SCN_MEM_EXECUTE,IMAGE_SCN_MEM_READ 6.66064
.rdata 0x00023000 0x0000B470 0x0000B600 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ 6.30604
.data 0x0002F000 0x000040B4 0x00000A00 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ,IMAGE_SCN_MEM_WRITE 2.65429
.gfids 0x00034000 0x000000E4 0x00000200 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ 2.02137
.rsrc 0x00035000 0x000001E0 0x00000200 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_READ 4.7123
.reloc 0x00036000 0x00001D5C 0x00001E00 IMAGE_SCN_CNT_INITIALIZED_DATA,IMAGE_SCN_MEM_DISCARDABLE,IMAGE_SCN_MEM_READ 6.68502
Resources
1

Imports
    KERNEL32.dll

    USER32.dll

    GDI32.dll

    SHELL32.dll

    WININET.dll

    WS2_32.dll

    gdiplus.dll

    SHLWAPI.dll

Exports

    No exports.

Screenshots

Processes

Total processes
38
Monitored processes
1
Malicious processes
0
Suspicious processes
1

Behavior graph

+
start msbuild.exe
Specs description
Program did not start
Integrity level elevation
Task сontains an error or was rebooted
Process has crashed
Task contains several apps running
Executable file was dropped
Debug information is available
Process was injected
Network attacks were detected
Application downloaded the executable file
Actions similar to stealing personal data
Behavior similar to exploiting the vulnerability
Inspected object has sucpicious PE structure
File is detected by antivirus software
CPU overrun
RAM overrun
Process starts the services
Process was added to the startup
Behavior similar to spam
Low-level access to the HDD
Probably Tor was used
System was rebooted
Connects to the network
Known threat

Process information

Click at the process to see the details.

PID
3876
CMD
"C:\Users\admin\AppData\Local\Temp\MSBuild.exe"
Path
C:\Users\admin\AppData\Local\Temp\MSBuild.exe
Indicators
Parent process
––
User
admin
Integrity Level
MEDIUM
Version:
Company
Description
Version
Modules
Image
c:\users\admin\appdata\local\temp\msbuild.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.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
c:\windows\system32\shlwapi.dll
c:\windows\system32\wininet.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\urlmon.dll
c:\windows\system32\ole32.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\crypt32.dll
c:\windows\system32\msasn1.dll
c:\windows\system32\iertutil.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\nsi.dll
c:\windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.17514_none_72d18a4386696c80\gdiplus.dll
c:\windows\system32\imm32.dll
c:\windows\system32\msctf.dll
c:\windows\system32\api-ms-win-core-synch-l1-2-0.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_none_41e6975e2bd6f2b2\comctl32.dll
c:\windows\system32\sspicli.dll
c:\windows\system32\profapi.dll
c:\windows\system32\ntmarta.dll
c:\windows\system32\wldap32.dll
c:\windows\system32\dnsapi.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\winnsi.dll
c:\windows\system32\rasapi32.dll
c:\windows\system32\rasman.dll
c:\windows\system32\rtutils.dll
c:\windows\system32\sensapi.dll
c:\windows\system32\cryptbase.dll
c:\windows\system32\mswsock.dll
c:\windows\system32\wshtcpip.dll
c:\windows\system32\wship6.dll
c:\windows\system32\rasadhlp.dll
c:\windows\system32\fwpuclnt.dll
c:\windows\system32\nlaapi.dll
c:\windows\system32\version.dll
c:\windows\system32\napinsp.dll
c:\windows\system32\pnrpnsp.dll
c:\windows\system32\winrnr.dll

Registry activity

Total events
39
Read events
21
Write events
18
Delete events
0

Modification events

PID
Process
Operation
Key
Name
Value
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASAPI32
EnableFileTracing
0
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASAPI32
EnableConsoleTracing
0
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASAPI32
FileTracingMask
4294901760
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASAPI32
ConsoleTracingMask
4294901760
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASAPI32
MaxFileSize
1048576
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASAPI32
FileDirectory
%windir%\tracing
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASMANCS
EnableFileTracing
0
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASMANCS
EnableConsoleTracing
0
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASMANCS
FileTracingMask
4294901760
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASMANCS
ConsoleTracingMask
4294901760
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASMANCS
MaxFileSize
1048576
3876
MSBuild.exe
write
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\MSBuild_RASMANCS
FileDirectory
%windir%\tracing
3876
MSBuild.exe
write
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings
ProxyEnable
0
3876
MSBuild.exe
write
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections
SavedLegacySettings
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
3876
MSBuild.exe
write
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
UNCAsIntranet
0
3876
MSBuild.exe
write
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
AutoDetect
1

Files activity

Executable files
0
Suspicious files
1
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
3876
MSBuild.exe
C:\Users\admin\AppData\Local\Temp\edg499.dat
binary
MD5: f779afd7eb7a097498dfd5925703328f
SHA256: 7c77ec8d55d9abff6f4297304a2ce89dc6af7817d13d54df7e0152fafd604075
3876
MSBuild.exe
C:\Users\admin\AppData\Local\Temp\TPX498.dat
txt
MD5: a009398cd07f905ed64967a791465218
SHA256: 5c15cd7bbe928ec4a4c6f61ea1109d756e9745e868c7d566613223f1c220e61e
3876
MSBuild.exe
C:\Users\admin\AppData\Local\Temp\9PT568.dat
text
MD5: 095143f5aafcd973f418a067433163c3
SHA256: 4877e2dc73bfca09460818758703fdb3cfcc97ffed10191be11c102ce04da57a

Find more information of the staic content and download it at the full report

Network activity

HTTP(S) requests
2
TCP/UDP connections
4
DNS requests
2
Threats
3

HTTP requests

PID Process Method HTTP Code IP URL CN Type Size Reputation
3876 MSBuild.exe POST 200 45.33.66.85:80 http://node2.feed43.com/0056234178515131.xml US
xml
malicious
3876 MSBuild.exe POST –– 139.28.38.231:80 http://139.28.38.231:80//e3e7e71a0b28b5e96cc492e636722f73//4sVKAOvu3D//ABDYot0NxyG.php unknown
text
––
––
malicious

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID Process IP ASN CN Reputation
3876 MSBuild.exe 91.198.174.192:443 Wikimedia Foundation, Inc. NL suspicious
3876 MSBuild.exe 45.33.66.85:80 Linode, LLC US malicious
3876 MSBuild.exe 139.28.38.231:80 –– malicious

DNS requests

Domain IP Reputation
en.wikipedia.org 91.198.174.192
whitelisted
node2.feed43.com 45.33.66.85
malicious

Threats

No threats detected.

Debug output strings

No debug info.