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File name:

hu.exe

Full analysis: https://app.any.run/tasks/15c4465b-95ab-4691-ad4f-abcb38b5d944
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: June 27, 2022, 12:59:34
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
nanocore
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

7B41FB64E0B56BCA6231F4CCDCAE0237

SHA1:

EC27EB9CB106A45A41176C6D42EBC17372209968

SHA256:

87F1B8D03726EC2E032A4850888F5023620098559D37E625A6B59922EB516293

SSDEEP:

3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIIksC6wwBLsjAIZnB/nFgMbszO:MLV6Bta6dtJmakIM5G+LsjAcW/zhIRF

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

    • NANOCORE was detected

      • hu.exe (PID: 3096)
    • NANOCORE detected by memory dumps

      • hu.exe (PID: 3096)
  • SUSPICIOUS

    • Checks supported languages

      • hu.exe (PID: 3096)
    • Reads the computer name

      • hu.exe (PID: 3096)
    • Creates files in the user directory

      • hu.exe (PID: 3096)
    • Reads Environment values

      • hu.exe (PID: 3096)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Nanocore

(PID) Process(3096) hu.exe
BackupDnsServer8.8.4.4
PrimaryDnsServer8.8.8.8
UseCustomDnsServerTrue
GCThreshold10485760
MaxPacketSize10485760
BufferSize65535
WanTimeout8000
LanTimeout2500
MutexTimeout5000
KeepAliveTimeout30000
TimeoutInterval5000
RestartDelay5000
ConnectDelay4000
RunDelay0
EnableDebugModeFalse
ActivateAwayModeFalse
PreventSystemSleepTrue
SetCriticalProcessFalse
ClearAccessControlFalse
ClearZoneIdentifierTrue
BypassUserAccountControlTrue
RequestElevationFalse
RunOnStartupFalse
ConnectionPort1608
BackupConnectionHost127.0.0.1
PrimaryConnectionHost34.159.194.81
DefaultGroupDefault
Mutexee6cac4e-1670-42b4-abad-29c713067e2b
Version1.2.2.0
BuildTime2022-06-27 12:58:28.070216
No Malware configuration.

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

Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x1e792
UninitializedDataSize: -
InitializedDataSize: 90624
CodeSize: 116736
LinkerVersion: 6
PEType: PE32
TimeStamp: 2015:02:22 01:49:37+01:00
MachineType: Intel 386 or later, and compatibles

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:
  • 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
0x0001C798
0x0001C800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.59809
.reloc
0x00020000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191
.rsrc
0x00022000
0x00015FC0
0x00016000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.99818

Resources

Title
Entropy
Size
Codepage
Language
Type
1
7.99831
89960
Latin 1 / Western European
UNKNOWN
RT_RCDATA

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
33
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #NANOCORE hu.exe

Process information

PID
CMD
Path
Indicators
Parent process
3096"C:\Users\admin\AppData\Local\Temp\hu.exe" C:\Users\admin\AppData\Local\Temp\hu.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Nanocore
(PID) Process(3096) hu.exe
BackupDnsServer8.8.4.4
PrimaryDnsServer8.8.8.8
UseCustomDnsServerTrue
GCThreshold10485760
MaxPacketSize10485760
BufferSize65535
WanTimeout8000
LanTimeout2500
MutexTimeout5000
KeepAliveTimeout30000
TimeoutInterval5000
RestartDelay5000
ConnectDelay4000
RunDelay0
EnableDebugModeFalse
ActivateAwayModeFalse
PreventSystemSleepTrue
SetCriticalProcessFalse
ClearAccessControlFalse
ClearZoneIdentifierTrue
BypassUserAccountControlTrue
RequestElevationFalse
RunOnStartupFalse
ConnectionPort1608
BackupConnectionHost127.0.0.1
PrimaryConnectionHost34.159.194.81
DefaultGroupDefault
Mutexee6cac4e-1670-42b4-abad-29c713067e2b
Version1.2.2.0
BuildTime2022-06-27 12:58:28.070216
Total events
384
Read events
384
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
0
Text files
1
Unknown types
0

Dropped files

PID
Process
Filename
Type
3096hu.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:BBED2A6320DED9918AB365759612CA07
SHA256:F560890686644271574E2450E6405A90B6A408E0654A7FEEDFAB0FBE50AF539B
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
1
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
34.159.194.81:1608
US
malicious
3096
hu.exe
34.159.194.81:1608
US
malicious

DNS requests

Domain
IP
Reputation
dns.msftncsi.com
  • 131.107.255.255
shared

Threats

No threats detected
No debug info