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| File name: | asm.exe |
| Full analysis: | https://app.any.run/tasks/b3b00fe1-ebcb-4532-b513-9e6d9ad39419 |
| 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: | November 15, 2018, 16:20:48 |
| 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: | 8890D884A9AC5F8319B3739502600A53 |
| SHA1: | 29F2A88600A85C835E845149F94DA6CF266A5FBE |
| SHA256: | 279303184A3975BB8F2AD4B8DFDF3234579976A3F4C6EA733A4F387EA9C24E3D |
| SSDEEP: | 6144:V5vVSdzQIy1t9PSFnvWb2MYMRh5ApoaKB4S0lLEdD/We0V2c5UKAFCTDZ7UePZUN:V5aBsbLYLpo0S0mbzo5UNCTt7UePZUp |
MALICIOUS
Loads the Task Scheduler COM API
- schtasks.exe (PID: 1000)
NanoCore was detected
- RegAsm.exe (PID: 2888)
Uses Task Scheduler to run other applications
- asm.exe (PID: 648)
SUSPICIOUS
Executable content was dropped or overwritten
- asm.exe (PID: 648)
Creates files in the user directory
- RegAsm.exe (PID: 2888)
Creates files in the Windows directory
- asm.exe (PID: 648)
Connects to unusual port
- RegAsm.exe (PID: 2888)
INFO
No info indicators.
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: | 2018:11:15 02:23:09+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 353280 |
| InitializedDataSize: | 372736 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x5837e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 2.0.0.0 |
| ProductVersionNumber: | 2.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | ExtendScript Toolkit |
| CompanyName: | Adobe Solutions |
| FileDescription: | ExtenderScript Toolkit |
| FileVersion: | 2.0.0.0 |
| InternalName: | ExtendScript Toolkit.exe |
| LegalCopyright: | Copyright © 1998-2018 ARR |
| LegalTrademarks: | - |
| OriginalFileName: | ExtendScript Toolkit.exe |
| ProductName: | ExtenderScript Toolkit |
| ProductVersion: | 2.0.0.0 |
| AssemblyVersion: | 3.33.0.2 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Nov-2018 01:23:09 |
| Comments: | ExtendScript Toolkit |
| CompanyName: | Adobe Solutions |
| FileDescription: | ExtenderScript Toolkit |
| FileVersion: | 2.0.0.0 |
| InternalName: | ExtendScript Toolkit.exe |
| LegalCopyright: | Copyright © 1998-2018 ARR |
| LegalTrademarks: | - |
| OriginalFilename: | ExtendScript Toolkit.exe |
| ProductName: | ExtenderScript Toolkit |
| ProductVersion: | 2.0.0.0 |
| Assembly Version: | 3.33.0.2 |
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: | 15-Nov-2018 01:23:09 |
| 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 | 0x00056384 | 0x00056400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.77079 |
.rsrc | 0x0005A000 | 0x0005AD78 | 0x0005AE00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 0.557905 |
.reloc | 0x000B6000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 1.32817 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 0.847941 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 1.0175 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 0.558334 | 67624 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 0.715993 | 16936 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.76511 | 90 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
34
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 648 | "C:\Users\admin\AppData\Local\Temp\asm.exe" | C:\Users\admin\AppData\Local\Temp\asm.exe | explorer.exe | |
User: admin Company: Adobe Solutions Integrity Level: MEDIUM Description: ExtenderScript Toolkit Exit code: 0 Version: 2.0.0.0 | ||||
| 1000 | "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LxmDgvUJpEf" /XML "C:\Users\admin\AppData\Local\Temp\tmp1F75.tmp" | C:\Windows\System32\schtasks.exe | — | asm.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2888 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | asm.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Assembly Registration Utility Version: 2.0.50727.5420 (Win7SP1.050727-5400) | ||||
Total events
80
Read events
76
Write events
4
Delete events
0
Modification events
| (PID) Process: | (648) asm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (648) asm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2888 | RegAsm.exe | C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dat | text | |
MD5:A5DC88B73EA20016920EE18C5A7A5F36 | SHA256:4888A17555B10CFA46AEFEB6FAD98FF75A5720BFD58EAF2026E49EF60061CAFE | |||
| 648 | asm.exe | C:\Windows\debug\WIA\LxmDgvUJpEf.exe | executable | |
MD5:8890D884A9AC5F8319B3739502600A53 | SHA256:279303184A3975BB8F2AD4B8DFDF3234579976A3F4C6EA733A4F387EA9C24E3D | |||
| 648 | asm.exe | C:\Users\admin\AppData\Local\Temp\tmp1F75.tmp | xml | |
MD5:50DE84A26B2F0B0D16F95DF0FCA82794 | SHA256:3602DC5026487AE3548CF4C914F75C792CD8C5B135C2C5021A669034780473F9 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
13
DNS requests
5
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 |
|---|---|---|---|---|---|---|
2888 | RegAsm.exe | 8.8.8.8:53 | — | Google Inc. | US | whitelisted |
2888 | RegAsm.exe | 197.210.28.178:3413 | graceonme.ddns.net | MTN NIGERIA Communication limited | NG | unknown |
2888 | RegAsm.exe | 212.7.208.94:3413 | — | LeaseWeb Netherlands B.V. | NL | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
graceonme.ddns.net |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2888 | RegAsm.exe | A Network Trojan was detected | SC BAD_UNKNOWN DYNAMIC_DNS Query to a Suspicious *.ddns.net Domain |
2888 | RegAsm.exe | A Network Trojan was detected | SC BAD_UNKNOWN DYNAMIC_DNS Query to a Suspicious *.ddns.net Domain |
2888 | RegAsm.exe | A Network Trojan was detected | SC BAD_UNKNOWN DYNAMIC_DNS Query to a Suspicious *.ddns.net Domain |
2888 | RegAsm.exe | A Network Trojan was detected | SC BAD_UNKNOWN DYNAMIC_DNS Query to a Suspicious *.ddns.net Domain |
2888 | RegAsm.exe | A Network Trojan was detected | SC BAD_UNKNOWN DYNAMIC_DNS Query to a Suspicious *.ddns.net Domain |
2888 | RegAsm.exe | A Network Trojan was detected | SC BAD_UNKNOWN DYNAMIC_DNS Query to a Suspicious *.ddns.net Domain |