| download: | N.exe |
| Full analysis: | https://app.any.run/tasks/53ef33b4-1ab2-4f50-8683-fbb5210361d7 |
| 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: | February 10, 2019, 12:52:51 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | C8975B538AB21046C76F673195DEFF87 |
| SHA1: | 58D829571CF8277611C3F99426733CBAE36E65FD |
| SHA256: | 68DBF11C2641974FBD38A79F4B941D947ADF52E1D0F14779597D7F87C3685B4A |
| SSDEEP: | 12288:gSFdmpS+TxlqnmcNXzW/mAHau9b6GWfbZkDK05NG+esTCmu:gSFv+T6m2SuA6u97WDau0b2mu |
MALICIOUS
Writes to a start menu file
- SkypeBrowserWeb.exe (PID: 3224)
Connects to CnC server
- SkypeBrowserWeb.exe (PID: 4000)
NanoCore was detected
- SkypeBrowserWeb.exe (PID: 4000)
SUSPICIOUS
Creates files in the user directory
- SkypeBrowserWeb.exe (PID: 3224)
- SkypeBrowserWeb.exe (PID: 4076)
- N.exe (PID: 3132)
- SkypeBrowserWeb.exe (PID: 4000)
Starts itself from another location
- N.exe (PID: 3132)
Application launched itself
- SkypeBrowserWeb.exe (PID: 3224)
Connects to unusual port
- SkypeBrowserWeb.exe (PID: 4000)
Executable content was dropped or overwritten
- N.exe (PID: 3132)
INFO
Application launched itself
- chrome.exe (PID: 2736)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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: | 1992:01:06 15:12:29+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 567296 |
| InitializedDataSize: | 395264 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1000 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.5.0.1 |
| ProductVersionNumber: | 0.5.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Unknown (0009) |
| CharacterSet: | Windows, Latin1 |
| FileDescription: | GraphStudioNext |
| FileVersion: | 0.5.0.1 |
| InternalName: | graphstudionext.exe |
| OriginalFileName: | graphstudionext.exe |
| ProductVersion: | 0.5.0.1 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 06-Jan-1992 14:12:29 |
| Detected languages: |
|
| FileDescription: | GraphStudioNext |
| FileVersion: | 0.5.0.1 |
| InternalName: | graphstudionext.exe |
| OriginalFilename: | graphstudionext.exe |
| ProductVersion: | 0.5.0.1 |
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: | 10 |
| Time date stamp: | 06-Jan-1992 14:12:29 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
0x00094000 | 0x0000B000 | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 | |
.rsrc | 0x0009F000 | 0x00052000 | 0x00038200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.88099 |
.data | 0x000F1000 | 0x00030000 | 0x0002F200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.30665 |
.adata | 0x00121000 | 0x00001000 | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.25074 | 544 | Latin 1 / Western European | English - United States | RT_VERSION |
2 | 7.96423 | 14945 | Latin 1 / Western European | UNKNOWN | RT_ICON |
3 | 7.28629 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
4 | 7.26735 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
5 | 7.35091 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
6 | 7.30663 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
7 | 7.24178 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
8 | 7.27417 | 308 | Latin 1 / Western European | UNKNOWN | RT_CURSOR |
257 | 7.76001 | 923 | Latin 1 / Western European | English - United States | RT_CURSOR |
258 | 7.79891 | 923 | Latin 1 / Western European | English - United States | RT_CURSOR |
Imports
advapi32.dll |
comctl32.dll |
comdlg32.dll |
gdi32.dll |
kernel32.dll |
oleaut32.dll |
user32.dll |
version.dll |
Total processes
44
Monitored processes
15
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 920 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=880,17796669955640470092,9218767952049405921,131072 --enable-features=PasswordImport --service-pipe-token=854965F0EAFB882EABB1447426E6C0D0 --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=854965F0EAFB882EABB1447426E6C0D0 --renderer-client-id=5 --mojo-platform-channel-handle=1916 /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 1728 | "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=68.0.3440.106 --initial-client-data=0x78,0x7c,0x80,0x74,0x84,0x704a00b0,0x704a00c0,0x704a00cc | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: MEDIUM Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2340 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=880,17796669955640470092,9218767952049405921,131072 --enable-features=PasswordImport --disable-gpu-sandbox --gpu-preferences=KAAAAAAAAACAAwBAAQAAAAAAAAAAAGAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAKAAAAEAAAAAAAAAAAAAAACwAAABAAAAAAAAAAAQAAAAoAAAAQAAAAAAAAAAEAAAALAAAA --service-request-channel-token=1EA248FC3B47751632EB393047130CE5 --mojo-platform-channel-handle=3840 /prefetch:2 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: MEDIUM Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2556 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=880,17796669955640470092,9218767952049405921,131072 --enable-features=PasswordImport --service-pipe-token=8EDA4F4EEF5E813591B4032D44016336 --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=8EDA4F4EEF5E813591B4032D44016336 --renderer-client-id=3 --mojo-platform-channel-handle=1516 /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2580 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=watcher --main-thread-id=1384 --on-initialized-event-handle=304 --parent-handle=308 /prefetch:6 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: MEDIUM Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2676 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --field-trial-handle=880,17796669955640470092,9218767952049405921,131072 --enable-features=PasswordImport --lang=en-US --service-sandbox-type=utility --service-request-channel-token=8268D0D63DF7149FC976518163731FDA --mojo-platform-channel-handle=3780 --ignored=" --type=renderer " /prefetch:8 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 2736 | "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: 68.0.3440.106 Modules
| |||||||||||||||
| 2972 | "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=880,17796669955640470092,9218767952049405921,131072 --enable-features=PasswordImport --disable-gpu-compositing --service-pipe-token=5F1463891C02FD47F9B484102BFF846E --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=5F1463891C02FD47F9B484102BFF846E --renderer-client-id=6 --mojo-platform-channel-handle=3536 /prefetch:1 | C:\Program Files\Google\Chrome\Application\chrome.exe | — | chrome.exe | |||||||||||
User: admin Company: Google Inc. Integrity Level: LOW Description: Google Chrome Exit code: 0 Version: 68.0.3440.106 Modules
| |||||||||||||||
| 3132 | "C:\Users\admin\AppData\Local\Temp\N.exe" | C:\Users\admin\AppData\Local\Temp\N.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: GraphStudioNext Exit code: 0 Version: 0.5.0.1 Modules
| |||||||||||||||
| 3224 | "C:\Users\admin\AppData\Roaming\SkypeBrowserWeb\SkypeBrowserWeb.exe" | C:\Users\admin\AppData\Roaming\SkypeBrowserWeb\SkypeBrowserWeb.exe | N.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: GraphStudioNext Exit code: 0 Version: 0.5.0.1 Modules
| |||||||||||||||
Total events
544
Read events
496
Write events
45
Delete events
3
Modification events
| (PID) Process: | (2580) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes |
| Operation: | write | Name: | 2736-13194276906567000 |
Value: 259 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96} |
| Operation: | write | Name: | dr |
Value: 1 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome |
| Operation: | write | Name: | UsageStatsInSample |
Value: 0 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes |
| Operation: | delete value | Name: | 3516-13180984670829101 |
Value: 0 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Google\Update\ClientStateMedium\{8A69D345-D564-463C-AFF1-A69D9E530F96} |
| Operation: | write | Name: | usagestats |
Value: 0 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Chrome\BrowserExitCodes |
| Operation: | delete value | Name: | 2736-13194276906567000 |
Value: 259 | |||
| (PID) Process: | (2736) chrome.exe | Key: | HKEY_CURRENT_USER\Software\Google\Update\ClientState\{8A69D345-D564-463c-AFF1-A69D9E530F96} |
| Operation: | write | Name: | metricsid |
Value: | |||
Executable files
1
Suspicious files
67
Text files
84
Unknown types
9
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3132 | N.exe | C:\Users\admin\AppData\Roaming\SkypeBrowserWeb\SkypeBrowserWeb.exe:ZoneIdentifier | — | |
MD5:— | SHA256:— | |||
| 4000 | SkypeBrowserWeb.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.bak | — | |
MD5:— | SHA256:— | |||
| 2736 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\578b0df1-576d-4344-8533-85e6436dacad.tmp | — | |
MD5:— | SHA256:— | |||
| 2736 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\000016.dbtmp | — | |
MD5:— | SHA256:— | |||
| 2736 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\Download Service\EntryDB\000016.dbtmp | — | |
MD5:— | SHA256:— | |||
| 3132 | N.exe | C:\Users\admin\AppData\Roaming\SkypeBrowserWeb\SkypeBrowserWeb.exe | executable | |
MD5:— | SHA256:— | |||
| 2736 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Last Version | text | |
MD5:— | SHA256:— | |||
| 2736 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.old | text | |
MD5:— | SHA256:— | |||
| 2736 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\data_reduction_proxy_leveldb\LOG.old~RF22b0ad.TMP | text | |
MD5:— | SHA256:— | |||
| 2736 | chrome.exe | C:\Users\admin\AppData\Local\Google\Chrome\User Data\Default\7e750923-7d26-42ad-91c8-29f9672a6b44.tmp | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
19
DNS requests
13
Threats
46
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2736 | chrome.exe | GET | — | 185.125.205.76:80 | http://elumadns.eluma101.com/ | DE | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4000 | SkypeBrowserWeb.exe | 185.125.205.76:5001 | elumadns.eluma101.com | — | DE | malicious |
2736 | chrome.exe | 172.217.18.163:443 | www.gstatic.com | Google Inc. | US | whitelisted |
2736 | chrome.exe | 172.217.21.227:443 | clientservices.googleapis.com | Google Inc. | US | whitelisted |
2736 | chrome.exe | 172.217.18.106:443 | safebrowsing.googleapis.com | Google Inc. | US | whitelisted |
2736 | chrome.exe | 216.58.213.195:443 | www.google.de | Google Inc. | US | whitelisted |
2736 | chrome.exe | 172.217.23.141:443 | accounts.google.com | Google Inc. | US | whitelisted |
2736 | chrome.exe | 216.58.206.14:443 | apis.google.com | Google Inc. | US | whitelisted |
2736 | chrome.exe | 172.217.18.100:443 | www.google.com | Google Inc. | US | whitelisted |
2736 | chrome.exe | 172.217.18.99:443 | www.google.fr | Google Inc. | US | whitelisted |
2736 | chrome.exe | 216.58.208.42:443 | fonts.googleapis.com | Google Inc. | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
elumadns.eluma101.com |
| malicious |
clientservices.googleapis.com |
| whitelisted |
www.gstatic.com |
| whitelisted |
www.google.de |
| whitelisted |
safebrowsing.googleapis.com |
| whitelisted |
accounts.google.com |
| shared |
ssl.gstatic.com |
| whitelisted |
apis.google.com |
| whitelisted |
www.google.com |
| malicious |
www.google.fr |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | MALWARE [PTsecurity] NanoCore.RAT |
4000 | SkypeBrowserWeb.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 64B |
28 ETPRO signatures available at the full report