analyze malware
- Huge database of samples and IOCs
- Custom VM setup
- Unlimited submissions
- Interactive approach
| File name: | PAV-Installerx86.exe |
| Full analysis: | https://app.any.run/tasks/b8451494-11ab-4003-8012-21bc5581062c |
| 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: | December 06, 2019, 23:44:58 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 89F5E7879B9E98FA50EE4C9CDA285EDD |
| SHA1: | EEAAE3E74A06982C21D1C35D92BF0C3A80833B75 |
| SHA256: | AA6DCA20FCE3881FAD0CD8E1A73A5C69D52BD11A9779718FF60D004951F07C0E |
| SSDEEP: | 3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI61fAzGsFBaE8scnZM5xpJCmRm:wLV6Bta6dtJmakIM5FqX8sAkYe6Gwn |
MALICIOUS
NANOCORE was detected
- PAV-Installerx86.exe (PID: 3792)
Connects to CnC server
- PAV-Installerx86.exe (PID: 3792)
Changes the autorun value in the registry
- reg.exe (PID: 2660)
SUSPICIOUS
Application launched itself
- Skype.exe (PID: 4056)
Reads CPU info
- Skype.exe (PID: 4056)
Creates files in the user directory
- PAV-Installerx86.exe (PID: 3792)
- Skype.exe (PID: 4056)
Uses REG.EXE to modify Windows registry
- Skype.exe (PID: 4056)
Modifies the open verb of a shell class
- Skype.exe (PID: 4056)
INFO
Manual execution by user
- Skype.exe (PID: 4056)
Reads the hosts file
- Skype.exe (PID: 4056)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2015:02:22 01:49:37+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 116736 |
| InitializedDataSize: | 90624 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1e792 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 22-Feb-2015 00:49:37 |
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: | 22-Feb-2015 00:49:37 |
| 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 |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x0001C798 | 0x0001C800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.59806 |
.reloc | 0x00020000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
.rsrc | 0x00022000 | 0x00015E34 | 0x00016000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.99712 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 7.99826 | 89472 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
32512 | 2.72193 | 20 | Latin 1 / Western European | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
45
Monitored processes
7
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2132 | "C:\Users\admin\AppData\Local\Temp\PAV-Installerx86.exe" | C:\Users\admin\AppData\Local\Temp\PAV-Installerx86.exe | — | explorer.exe |
User: admin Integrity Level: MEDIUM Exit code: 3221226540 | ||||
| 3792 | "C:\Users\admin\AppData\Local\Temp\PAV-Installerx86.exe" | C:\Users\admin\AppData\Local\Temp\PAV-Installerx86.exe | explorer.exe | |
User: admin Integrity Level: HIGH | ||||
| 4056 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | explorer.exe | |
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Version: 8.29.0.50 | ||||
| 1976 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --reporter-url=https://rink.hockeyapp.net/api/2/apps/a741743329d94bc08826af367733939d/crashes/upload --application-name=skype-preview "--crashes-directory=C:\Users\admin\AppData\Local\Temp\skype-preview Crashes" --v=1 | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | Skype.exe | |
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Version: 8.29.0.50 | ||||
| 2660 | C:\Windows\system32\reg.exe ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v "Skype for Desktop" /t REG_SZ /d "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" /f | C:\Windows\system32\reg.exe | Skype.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3032 | "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" --type=renderer --ms-disable-indexeddb-transaction-timeout --no-sandbox --service-pipe-token=CB3B20B5451900A0B71C913FC39E257B --lang=en-US --app-user-model-id=Microsoft.Skype.SkypeDesktop --app-path="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar" --node-integration=false --webview-tag=true --no-sandbox --preload="C:\Program Files\Microsoft\Skype for Desktop\resources\app.asar\Preload.js" --context-id=2 --enable-pinch --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553 --disable-accelerated-video-decode --disable-gpu-compositing --enable-gpu-async-worker-context --service-request-channel-token=CB3B20B5451900A0B71C913FC39E257B --renderer-client-id=3 --mojo-platform-channel-handle=1548 /prefetch:1 | C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | — | Skype.exe |
User: admin Company: Skype Technologies S.A. Integrity Level: MEDIUM Description: Skype Version: 8.29.0.50 | ||||
| 3224 | C:\Windows\system32\reg.exe QUERY HKCU\Software\Microsoft\Skype /v RestartForUpdate | C:\Windows\system32\reg.exe | — | Skype.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
168
Read events
164
Write events
4
Delete events
0
Modification events
| (PID) Process: | (2660) reg.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Skype for Desktop |
Value: C:\Program Files\Microsoft\Skype for Desktop\Skype.exe | |||
| (PID) Process: | (4056) Skype.exe | Key: | HKEY_CLASSES_ROOT\skype |
| Operation: | write | Name: | URL Protocol |
Value: | |||
| (PID) Process: | (4056) Skype.exe | Key: | HKEY_CLASSES_ROOT\skype |
| Operation: | write | Name: | |
Value: URL:skype | |||
| (PID) Process: | (4056) Skype.exe | Key: | HKEY_CLASSES_ROOT\skype\shell\open\command |
| Operation: | write | Name: | |
Value: "C:\Program Files\Microsoft\Skype for Desktop\Skype.exe" -- "%1" | |||
Executable files
0
Suspicious files
5
Text files
7
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4056 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\8LXMJEN2AYH8MRDW2BEB.temp | — | |
MD5:— | SHA256:— | |||
| 4056 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\ecscache.json | text | |
MD5:773199ACCC60BD61EF27F1B96BB64166 | SHA256:CE8C71F14DB440F48D55CC72FC3F873A20CC782856990710BAC647841F32F068 | |||
| 3792 | PAV-Installerx86.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | binary | |
MD5:A78A9CFFD6A535F8C3C5156B3C72ABFC | SHA256:98A6ABD604F3CC396A598E7DB009E48413928407080A47D2BDBE6542B72863B2 | |||
| 4056 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b916037c1e115fe0.customDestinations-ms | binary | |
MD5:DF75762823450562FCE9804854677BA7 | SHA256:9486D190557D7308301977A81F14AB52A993CF38215438F21D025E10F5DA04E7 | |||
| 4056 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Local Storage\leveldb\LOG.old | text | |
MD5:7F39B22308B34B4138A09991EC4D41C5 | SHA256:31C4D714AFBFAB8D23AE08F061F6A5F1E46A26B0AB20795EAC7D2134A55CCEB6 | |||
| 4056 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\settings.json | text | |
MD5:FCB20E92C05828ACADD1AC43E9979E30 | SHA256:6C6A926CD18F9952AF42CBCE920BA705AB64D65AD88CA6D039BC20C7F6C7530E | |||
| 3792 | PAV-Installerx86.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.dat | bs | |
MD5:32D0AAE13696FF7F8AF33B2D22451028 | SHA256:5347661365E7AD2C1ACC27AB0D150FFA097D9246BB3626FCA06989E976E8DD29 | |||
| 3792 | PAV-Installerx86.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.bin | binary | |
MD5:AE0F5E6CE7122AF264EC533C6B15A27B | SHA256:73B0B92179C61C26589B47E9732CE418B07EDEE3860EE5A2A5FB06F3B8AA9B26 | |||
| 4056 | Skype.exe | C:\Users\admin\AppData\Local\Temp\6b2d7b28-d89f-4e4e-ad0b-dbf03b2f53a0.tmp.ico | image | |
MD5:75A3D7765F2F4F8712775B10E1D18003 | SHA256:28854F198091126B6E3A57FE312A3B77C1074CD0B111AED6F7604A2467F52166 | |||
| 4056 | Skype.exe | C:\Users\admin\AppData\Roaming\Microsoft\Skype for Desktop\Local Storage\leveldb\LOG.old~RF3a8f55.TMP | text | |
MD5:7F39B22308B34B4138A09991EC4D41C5 | SHA256:31C4D714AFBFAB8D23AE08F061F6A5F1E46A26B0AB20795EAC7D2134A55CCEB6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
4
Threats
0
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 |
|---|---|---|---|---|---|---|
4056 | Skype.exe | 13.107.3.128:443 | a.config.skype.com | Microsoft Corporation | US | whitelisted |
4056 | Skype.exe | 13.90.95.57:443 | get.skype.com | Microsoft Corporation | US | whitelisted |
3792 | PAV-Installerx86.exe | 69.14.159.78:54984 | — | WideOpenWest Finance LLC | US | malicious |
4056 | Skype.exe | 52.114.74.45:443 | pipe.skype.com | Microsoft Corporation | NL | unknown |
— | — | 2.18.233.81:443 | download.skype.com | Akamai International B.V. | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
get.skype.com |
| whitelisted |
a.config.skype.com |
| whitelisted |
pipe.skype.com |
| whitelisted |
download.skype.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3792 | PAV-Installerx86.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore.RAT |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | ET TROJAN Possible NanoCore C2 60B |
3792 | PAV-Installerx86.exe | A Network Trojan was detected | REMOTE [PTsecurity] NanoCore/NetWire.RAT |
14 ETPRO signatures available at the full report