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File name:

dllhost.exe

Full analysis: https://app.any.run/tasks/adf060ee-3ba6-4c74-bd6c-5dec3192c7a8
Verdict: Malicious activity
Threats:

NanoCore is a Remote Access Trojan or RAT. This malware is highly customizable with plugins which allow attackers to tailor its functionality to their needs. Nanocore is created with the .NET framework and it’s available for purchase for just $25 from its “official” website.

Analysis date: April 24, 2019, 23:34:42
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

625893D725ED686325E637481081FB29

SHA1:

D70613C1DD0BC45DBA07CA0F061DD1DD756CC85C

SHA256:

4AE078E62D9DBB26BF714AE3265B8031BA0083B0AFB73005E53DF10081924125

SSDEEP:

12288:6KqKMCcu26lj0rxNyF/Dmlmu+Z2LVKJSGe7+ML4atymz7VBG9f5tZRfti3pxSO2y:NerxNyF/CB+ZKVKJPIbH7VQf3ZVtGDSy

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 the autorun value in the registry

      • dllhost.exe (PID: 3072)
      • RegAsm.exe (PID: 2492)
    • NanoCore was detected

      • RegAsm.exe (PID: 2492)
    • Application was dropped or rewritten from another process

      • RegAsm.exe (PID: 2492)
    • Connects to CnC server

      • RegAsm.exe (PID: 2492)
  • SUSPICIOUS

    • Creates files in the user directory

      • dllhost.exe (PID: 3072)
      • RegAsm.exe (PID: 2492)
    • Executable content was dropped or overwritten

      • dllhost.exe (PID: 3072)
      • RegAsm.exe (PID: 2492)
  • INFO

    • Application launched itself

      • chrome.exe (PID: 2120)
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.) (49)
.exe | Win32 Executable MS Visual C++ (generic) (20.9)
.exe | Win64 Executable (generic) (18.5)
.dll | Win32 Dynamic Link Library (generic) (4.4)
.exe | Win32 Executable (generic) (3)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:03:15 21:58:01+01:00
PEType: PE32
LinkerVersion: 6
CodeSize: 665088
InitializedDataSize: 4096
UninitializedDataSize: -
EntryPoint: 0xa44fe
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 4.2.1409.1722
ProductVersionNumber: 4.2.1409.1722
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Dynamic link library
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
CompanyName: Clarius Consulting, Manas Technology Solutions, InSTEDD
FileDescription: Moq
FileVersion: 4.2.1409.1722
InternalName: Moq.Silverlight.dll
LegalCopyright:
OriginalFileName: Moq.Silverlight.dll
ProductName: Moq
ProductVersion: 4.2.1409.1722
AssemblyVersion: 4.2.1409.1722

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 15-Mar-2019 20:58:01
Detected languages:
  • English - United States
CompanyName: Clarius Consulting, Manas Technology Solutions, InSTEDD
FileDescription: Moq
FileVersion: 4.2.1409.1722
InternalName: Moq.Silverlight.dll
LegalCopyright: -
OriginalFilename: Moq.Silverlight.dll
ProductName: Moq
ProductVersion: 4.2.1409.1722
Assembly Version: 4.2.1409.1722

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: 4
Time date stamp: 15-Mar-2019 20:58:01
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

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x000A2504
0x000A2600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.61621
.sdata
0x000A6000
0x00000050
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.55933
.rsrc
0x000A8000
0x00000AC4
0x00000C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.21578
.reloc
0x000AA000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
0
2.37086
34
Latin 1 / Western European
English - United States
RT_GROUP_ICON
1
5.00112
490
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
3.3126
296
Latin 1 / Western European
English - United States
RT_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
39
Monitored processes
9
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start dllhost.exe #NANOCORE regasm.exe chrome.exe chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs chrome.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3072"C:\Users\admin\AppData\Local\Temp\dllhost.exe" C:\Users\admin\AppData\Local\Temp\dllhost.exe
explorer.exe
User:
admin
Company:
Clarius Consulting, Manas Technology Solutions, InSTEDD
Integrity Level:
MEDIUM
Description:
Moq
Version:
4.2.1409.1722
2492"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
dllhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
2120"C:\Program Files\Google\Chrome\Application\chrome.exe" C:\Program Files\Google\Chrome\Application\chrome.exe
explorer.exe
User:
admin
Company:
Google Inc.
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
3221225547
Version:
73.0.3683.75
2852"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win32 --annotation=prod=Chrome --annotation=ver=73.0.3683.75 --initial-client-data=0x7c,0x80,0x84,0x78,0x88,0x66990f18,0x66990f28,0x66990f34C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google Inc.
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
73.0.3683.75
4076"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=2136 --on-initialized-event-handle=308 --parent-handle=312 /prefetch:6C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google Inc.
Integrity Level:
MEDIUM
Description:
Google Chrome
Exit code:
0
Version:
73.0.3683.75
3292"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=964,8451440729315526618,3059345452521025195,131072 --enable-features=PasswordImport --gpu-preferences=KAAAAAAAAACAAwAAAQAAAAAAAAAAAGAAAAAAAAEAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --service-request-channel-token=5232011093858221356 --mojo-platform-channel-handle=1012 --ignored=" --type=renderer " /prefetch:2C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google Inc.
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
73.0.3683.75
3704"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=964,8451440729315526618,3059345452521025195,131072 --enable-features=PasswordImport --service-pipe-token=13411602669857640185 --lang=en-US --instant-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=13411602669857640185 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1968 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google Inc.
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
73.0.3683.75
4064"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=964,8451440729315526618,3059345452521025195,131072 --enable-features=PasswordImport --service-pipe-token=17832050322313463710 --lang=en-US --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=17832050322313463710 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2144 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google Inc.
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
73.0.3683.75
2384"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=964,8451440729315526618,3059345452521025195,131072 --enable-features=PasswordImport --service-pipe-token=11101237673757081689 --lang=en-US --extension-process --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --service-request-channel-token=11101237673757081689 --renderer-client-id=3 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2160 /prefetch:1C:\Program Files\Google\Chrome\Application\chrome.exechrome.exe
User:
admin
Company:
Google Inc.
Integrity Level:
LOW
Description:
Google Chrome
Exit code:
0
Version:
73.0.3683.75
Total events
171
Read events
127
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
33
Text files
44
Unknown types
8

Dropped files

PID
Process
Filename
Type
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\index
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_0
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_1
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_2
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\ShaderCache\GPUCache\data_3
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\325adb6a-6cbe-41e1-a0f1-57b40cc65fc9.tmp
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000018.dbtmp
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\index
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_0
MD5:
SHA256:
2120chrome.exeC:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
10
DNS requests
11
Threats
0

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
2492
RegAsm.exe
8.8.8.8:53
Google Inc.
US
whitelisted
2492
RegAsm.exe
91.193.75.176:58538
1c3a5ccbec9af7e0bf2c3eb4dac15059.duckdns.org
WorldStream B.V.
RS
malicious
2120
chrome.exe
172.217.18.163:443
clientservices.googleapis.com
Google Inc.
US
whitelisted
2492
RegAsm.exe
8.8.4.4:53
Google Inc.
US
whitelisted
2120
chrome.exe
216.58.205.238:443
clients1.google.com
Google Inc.
US
whitelisted
2120
chrome.exe
216.58.206.13:443
accounts.google.com
Google Inc.
US
whitelisted
2120
chrome.exe
216.58.207.35:443
www.google.com.ua
Google Inc.
US
whitelisted
2120
chrome.exe
216.58.205.227:443
ssl.gstatic.com
Google Inc.
US
whitelisted
2120
chrome.exe
172.217.18.99:443
www.gstatic.com
Google Inc.
US
whitelisted
2120
chrome.exe
172.217.23.174:443
apis.google.com
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
1c3a5ccbec9af7e0bf2c3eb4dac15059.duckdns.org
  • 91.193.75.176
malicious
clientservices.googleapis.com
  • 172.217.18.163
whitelisted
www.google.com.ua
  • 216.58.207.35
whitelisted
accounts.google.com
  • 216.58.206.13
shared
clients1.google.com
  • 216.58.205.238
whitelisted
ssl.gstatic.com
  • 216.58.205.227
whitelisted
www.gstatic.com
  • 172.217.18.99
whitelisted
apis.google.com
  • 172.217.23.174
whitelisted

Threats

PID
Process
Class
Message
2492
RegAsm.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2492
RegAsm.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2492
RegAsm.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2492
RegAsm.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2492
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 64B
2492
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2492
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 64B
2492
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 64B
2492
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2492
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
22 ETPRO signatures available at the full report
No debug info