File name:

wuauclt.exe

Full analysis: https://app.any.run/tasks/f79987c0-4a8c-4f81-8926-02b344e972df
Verdict: Malicious activity
Threats:

Crypto mining malware is a resource-intensive threat that infiltrates computers with the purpose of mining cryptocurrencies. This type of threat can be deployed either on an infected machine or a compromised website. In both cases the miner will utilize the computing power of the device and its network bandwidth.

Analysis date: April 18, 2019, 12:59:28
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
miner
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (console) Intel 80386, for MS Windows
MD5:

A28568479005E93090300DD4C9BE7712

SHA1:

0608F9B9E8F63C2FF193EF93F802BB010011D747

SHA256:

1909363C1C9FD97F8D6FD3423C81F8630E1D40BBC2C4F82F46A6B1312B5ED555

SSDEEP:

98304:ukQmHnoQJkObIO/XP4SyQtML7OigDGyVwu4pgOwN6vyJnZl7RFLI2BmV61DG+kR4:NIQ9v/CQeL7fgzVwu4UN6KB3/0V61S+t

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

    • Loads dropped or rewritten executable

      • svchost.exe (PID: 3872)
    • Uses Task Scheduler to run other applications

      • svchost.exe (PID: 3872)
    • Runs PING.EXE for delay simulation

      • cmd.exe (PID: 2840)
    • Application was dropped or rewritten from another process

      • dllhostex.exe (PID: 912)
      • WUDHostServices.exe (PID: 3152)
    • MINER was detected

      • dllhostex.exe (PID: 912)
    • Connects to CnC server

      • dllhostex.exe (PID: 912)
  • SUSPICIOUS

    • Removes files from Windows directory

      • wuauclt.exe (PID: 3140)
    • Executable content was dropped or overwritten

      • wuauclt.exe (PID: 3140)
      • svchost.exe (PID: 3872)
    • Creates or modifies windows services

      • wuauclt.exe (PID: 3140)
      • svchost.exe (PID: 3872)
    • Creates files in the Windows directory

      • wuauclt.exe (PID: 3140)
      • svchost.exe (PID: 3872)
      • WUDHostServices.exe (PID: 3152)
    • Starts CMD.EXE for commands execution

      • wuauclt.exe (PID: 3140)
      • cmd.exe (PID: 2840)
    • Application launched itself

      • cmd.exe (PID: 2840)
  • 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 | 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: 2019:03:26 07:46:58+01:00
PEType: PE32
LinkerVersion: 14
CodeSize: 94720
InitializedDataSize: 49152
UninitializedDataSize: -
EntryPoint: 0x7527
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows command line
FileVersionNumber: 6.3.9600.16384
ProductVersionNumber: 6.3.9600.16384
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
CompanyName: Microsoft Corporation
FileDescription: Windows Update
FileVersion: 6.3.9600.16384
InternalName: wuauclt.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFileName: wuauclt.exe
ProductName: Microsoft® Windows® Operating System
ProductVersion: 6.3.9600.16384

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI
Compilation Date: 26-Mar-2019 06:46:58
Detected languages:
  • English - United States
CompanyName: Microsoft Corporation
FileDescription: Windows Update
FileVersion: 6.3.9600.16384
InternalName: wuauclt.exe
LegalCopyright: © Microsoft Corporation. All rights reserved.
OriginalFilename: wuauclt.exe
ProductName: Microsoft® Windows® Operating System
ProductVersion: 6.3.9600.16384

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: 5
Time date stamp: 26-Mar-2019 06:46:58
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
0x000170E5
0x00017200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67178
.rdata
0x00019000
0x000077B8
0x00007800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.30213
.data
0x00021000
0x00002F4C
0x00002600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
2.72375
.rsrc
0x00024000
0x000003B8
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.18608
.reloc
0x00025000
0x000013BC
0x00001400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.54446

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.50483
856
UNKNOWN
English - United States
RT_VERSION

Imports

ADVAPI32.dll
IPHLPAPI.DLL
KERNEL32.dll
USER32.dll
WININET.dll
WS2_32.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
50
Monitored processes
8
Malicious processes
3
Suspicious processes
1

Behavior graph

Click at the process to see the details
start drop and start wuauclt.exe svchost.exe cmd.exe no specs ping.exe no specs #MINER dllhostex.exe cmd.exe no specs wudhostservices.exe no specs wuauclt.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
560cmd.exe /c del /a /f "C:\Users\admin\AppData\Local\Temp\wuauclt.exe"C:\Windows\system32\cmd.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
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
912"C:\Windows\system32\dllhostex.exe"C:\Windows\system32\dllhostex.exe
svchost.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
COM Surrogate
Exit code:
0
Version:
6.3.9600.16384
Modules
Images
c:\windows\system32\dllhostex.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\ws2_32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\nsi.dll
c:\windows\system32\iphlpapi.dll
c:\windows\system32\winnsi.dll
1976ping 127.0.0.1 -n 5 C:\Windows\system32\PING.EXEcmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
TCP/IP Ping Command
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\ping.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\iphlpapi.dll
c:\windows\system32\nsi.dll
2840cmd.exe /c ping 127.0.0.1 -n 5 & cmd.exe /c del /a /f "C:\Users\admin\AppData\Local\Temp\wuauclt.exe"C:\Windows\system32\cmd.exewuauclt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
0
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
3140"C:\Users\admin\AppData\Local\Temp\wuauclt.exe" C:\Users\admin\AppData\Local\Temp\wuauclt.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Update
Exit code:
0
Version:
6.3.9600.16384
Modules
Images
c:\users\admin\appdata\local\temp\wuauclt.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\advapi32.dll
3152"C:\Windows\system32\WUDHostServices.exe"C:\Windows\system32\WUDHostServices.exemsdtc.exe
User:
SYSTEM
Company:
gentilkiwi (Benjamin DELPY)
Integrity Level:
SYSTEM
Description:
mimikatz for Windows
Exit code:
0
Version:
2.1.0.0
Modules
Images
c:\windows\system32\wudhostservices.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
3808"C:\Users\admin\AppData\Local\Temp\wuauclt.exe" C:\Users\admin\AppData\Local\Temp\wuauclt.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Update
Exit code:
3221226540
Version:
6.3.9600.16384
Modules
Images
c:\users\admin\appdata\local\temp\wuauclt.exe
c:\systemroot\system32\ntdll.dll
3872C:\Windows\System32\svchost.exe -k netsvcsC:\Windows\System32\svchost.exe
services.exe
User:
SYSTEM
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\svchost.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\ole32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
Total events
69
Read events
44
Write events
25
Delete events
0

Modification events

(PID) Process:(3872) svchost.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\NetworkRPCClient
Operation:writeName:Type
Value:
288
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkPlatform\Location
Operation:writeName:LastBackup
Value:
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
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Svchost
Operation:writeName:netsvcs
Value:
AeLookupSvc
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\NetworkRPCClient
Operation:writeName:Description
Value:
Provides management services: Network RPC Client, which confirms the signatures of Windows files and allows new programs to be installed. If this service is stopped, these management services will not function properly. If this service is disabled, any services that explicitly depend on it will fail to start.
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\NetworkRPCClient\Parameters
Operation:writeName:ServiceDll
Value:
C:\Windows\system32\NetworkRPCClient.dll
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkPlatform\Location
Operation:writeName:IPC
Value:
495043
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\wuauclt_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\wuauclt_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\wuauclt_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3140) wuauclt.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\wuauclt_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3140wuauclt.exeC:\Windows\system32\msvcyhj.ini
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g
MD5:
SHA256:
3152WUDHostServices.exeC:\Windows\system32\mkz.output
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g.1
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g.2
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g.3
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g.4
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g.5
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g.6
MD5:
SHA256:
3152WUDHostServices.exeC:\t32g.7
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
6
Threats
4

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
912
dllhostex.exe
156.67.216.61:53
pool.boreye.com
Hostinger International Limited
SG
suspicious

DNS requests

Domain
IP
Reputation
log.boreye.com
  • 127.0.0.1
unknown
bk.estonine.com
  • 127.0.0.1
malicious
pool.boreye.com
  • 156.67.216.61
malicious
back.estonine.com
  • 127.0.0.1
malicious

Threats

PID
Process
Class
Message
Potential Corporate Privacy Violation
ET POLICY Cryptocurrency Miner Checkin
Misc activity
MINER [PTsecurity] Riskware/CoinMiner JSON_RPC Response
Misc activity
MINER [PTsecurity] Risktool.W32.coinminer!c
Misc activity
MINER [PTsecurity] CoinMiner CryptoNight algo JSON_RPC server Response
Process
Message
dllhostex.exe
z -o pool.boreye.com:53 -u IPC_eye2 -p x -t 2 --donate-level=1 --nicehash