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File name:

f7527b55b46f215c443f7ec1f94e0131896e6a85.exe

Full analysis: https://app.any.run/tasks/8c5cf083-7b61-4d47-8277-cf36364f886a
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: January 23, 2019, 06:56:26
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, for MS Windows
MD5:

695278C8EE93A147EA66DFA7C0B38045

SHA1:

F7527B55B46F215C443F7EC1F94E0131896E6A85

SHA256:

28D20EF4273D4AF6D97EA3FE4D6860D9DAC7AAAD843564A8A765629D7B441F6A

SSDEEP:

24576:pAHnh+eWsN3skA4RV1Hom2KXMmHaNnFzg2AsWugfagKC5:wh+ZkldoPK8Ya7Jgr

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

    • Application was dropped or rewritten from another process

      • RegAsm.exe (PID: 3852)
      • RegAsm.exe (PID: 2452)
      • RegAsm.exe (PID: 3220)
      • RegAsm.exe (PID: 3868)
      • RegAsm.exe (PID: 3364)
    • Uses Task Scheduler to run other applications

      • f7527b55b46f215c443f7ec1f94e0131896e6a85.exe (PID: 3624)
      • audiodg.exe (PID: 2652)
      • audiodg.exe (PID: 3368)
      • audiodg.exe (PID: 1700)
      • audiodg.exe (PID: 3328)
    • Changes the autorun value in the registry

      • RegAsm.exe (PID: 3852)
    • NanoCore was detected

      • RegAsm.exe (PID: 3852)
    • Loads the Task Scheduler COM API

      • schtasks.exe (PID: 3208)
      • schtasks.exe (PID: 3816)
      • schtasks.exe (PID: 2324)
      • schtasks.exe (PID: 2904)
      • schtasks.exe (PID: 3864)
    • Connects to CnC server

      • RegAsm.exe (PID: 3852)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • RegAsm.exe (PID: 3852)
      • f7527b55b46f215c443f7ec1f94e0131896e6a85.exe (PID: 3624)
    • Creates files in the user directory

      • f7527b55b46f215c443f7ec1f94e0131896e6a85.exe (PID: 3624)
      • RegAsm.exe (PID: 3852)
    • Connects to unusual port

      • RegAsm.exe (PID: 3852)
  • 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: 2019:01:22 23:32:15+01:00
PEType: PE32
LinkerVersion: 12
CodeSize: 581632
InitializedDataSize: 813568
UninitializedDataSize: -
EntryPoint: 0x2800a
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (British)
CharacterSet: Unicode

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 22-Jan-2019 22:32:15
Detected languages:
  • English - United Kingdom

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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 22-Jan-2019 22:32:15
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_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0008DFDD
0x0008E000
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67525
.rdata
0x0008F000
0x0002FD8E
0x0002FE00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.76324
.data
0x000BF000
0x00008F74
0x00005200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.19638
.rsrc
0x000C8000
0x0008A74C
0x0008A800
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.37192
.reloc
0x00153000
0x00007134
0x00007200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.78396

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.40026
1007
Latin 1 / Western European
English - United Kingdom
RT_MANIFEST
2
5.17976
1128
Latin 1 / Western European
English - United Kingdom
RT_ICON
3
5.0959
4264
Latin 1 / Western European
English - United Kingdom
RT_ICON
4
4.98524
9640
Latin 1 / Western European
English - United Kingdom
RT_ICON
5
4.93357
16936
Latin 1 / Western European
English - United Kingdom
RT_ICON
6
4.65921
67624
Latin 1 / Western European
English - United Kingdom
RT_ICON
7
3.34702
1428
Latin 1 / Western European
English - United Kingdom
RT_STRING
8
3.2817
1674
Latin 1 / Western European
English - United Kingdom
RT_STRING
9
3.28849
1168
Latin 1 / Western European
English - United Kingdom
RT_STRING
10
3.28373
1532
Latin 1 / Western European
English - United Kingdom
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
COMDLG32.dll
GDI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MPR.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
15
Malicious processes
2
Suspicious processes
2

Behavior graph

Click at the process to see the details
start f7527b55b46f215c443f7ec1f94e0131896e6a85.exe #NANOCORE regasm.exe schtasks.exe no specs audiodg.exe no specs regasm.exe no specs schtasks.exe no specs audiodg.exe no specs regasm.exe no specs schtasks.exe no specs audiodg.exe no specs regasm.exe no specs schtasks.exe no specs audiodg.exe no specs regasm.exe no specs schtasks.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3624"C:\Users\admin\AppData\Local\Temp\f7527b55b46f215c443f7ec1f94e0131896e6a85.exe" C:\Users\admin\AppData\Local\Temp\f7527b55b46f215c443f7ec1f94e0131896e6a85.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3852"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
f7527b55b46f215c443f7ec1f94e0131896e6a85.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
3816"C:\Windows\System32\schtasks.exe" /create /tn relog /tr "C:\Users\admin\AppData\Roaming\archiveint\audiodg.exe" /sc minute /mo 1 /FC:\Windows\System32\schtasks.exef7527b55b46f215c443f7ec1f94e0131896e6a85.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)
3368C:\Users\admin\AppData\Roaming\archiveint\audiodg.exe C:\Users\admin\AppData\Roaming\archiveint\audiodg.exetaskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2452"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeaudiodg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
3208"C:\Windows\System32\schtasks.exe" /create /tn relog /tr "C:\Users\admin\AppData\Roaming\archiveint\audiodg.exe" /sc minute /mo 1 /FC:\Windows\System32\schtasks.exeaudiodg.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)
2652C:\Users\admin\AppData\Roaming\archiveint\audiodg.exe C:\Users\admin\AppData\Roaming\archiveint\audiodg.exetaskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3868"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exeaudiodg.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
2324"C:\Windows\System32\schtasks.exe" /create /tn relog /tr "C:\Users\admin\AppData\Roaming\archiveint\audiodg.exe" /sc minute /mo 1 /FC:\Windows\System32\schtasks.exeaudiodg.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)
1700C:\Users\admin\AppData\Roaming\archiveint\audiodg.exe C:\Users\admin\AppData\Roaming\archiveint\audiodg.exetaskeng.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Total events
400
Read events
379
Write events
0
Delete events
0

Modification events

No data
Executable files
2
Suspicious files
3
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
3852RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.bak
MD5:
SHA256:
3852RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:0804A7C5D03A78D3C9631DA9060427AD
SHA256:BB43F3F3474A6CD32E3FE1DB49346D9B1D66AA821699802C023B976C87DFF3F5
3852RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.datbs
MD5:0A9C5EAE8756D6FC90F59D8D71A79E1E
SHA256:B1921EA14C66927397BAF3FA456C22B93C30C3DE23546087C0B18551CE5001C5
3624f7527b55b46f215c443f7ec1f94e0131896e6a85.exeC:\Users\admin\AppData\Roaming\archiveint\audiodg.exeexecutable
MD5:695278C8EE93A147EA66DFA7C0B38045
SHA256:28D20EF4273D4AF6D97EA3FE4D6860D9DAC7AAAD843564A8A765629D7B441F6A
3852RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\storage.datbinary
MD5:4D784935677AE26ACDC3FB84FA1E6CF8
SHA256:C77E2D82DB9066E4DBFDE3AE0461A4259505F435EC0DB2CE3BD005BE0E2DE67C
3852RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:278EDBD499374BF73621F8C1F969D894
SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391
3852RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.binbinary
MD5:ACD3FB4310417DC77FE06F15B0E353E6
SHA256:DC3AE604991C9BB8FF8BC4502AE3D0DB8A3317512C0F432490B103B89C1A4368
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
41
DNS requests
21
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
3852
RegAsm.exe
184.75.209.163:3486
successyear.hopto.org
Amanah Tech Inc.
CA
malicious
3852
RegAsm.exe
8.8.8.8:53
Google Inc.
US
whitelisted
8.8.8.8:53
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
successyear.hopto.org
  • 184.75.209.163
malicious

Threats

PID
Process
Class
Message
3852
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 64B
3852
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3852
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3852
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3852
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3852
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3852
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3852
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
3852
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
3852
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
36 ETPRO signatures available at the full report
No debug info