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File name:

4f439877b84b51b8caa48ae81e1d2363.exe

Full analysis: https://app.any.run/tasks/e2313003-73aa-4381-9446-9e38da0d9d70
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 14, 2022, 20:13:29
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:

4F439877B84B51B8CAA48AE81E1D2363

SHA1:

DEFDE1263C0CA2D604226CFF86E4045A28650AB4

SHA256:

B05B740309562AB6160CC3EB8ED2F0DD839D53C6C71F67BF40AEEB3F580EEB0A

SSDEEP:

6144:U0PLV6Bta6dtJmakIM5a/8BEjBuZnUMSm:U0PLV6BtpmkZWEoZnPSm

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

      • nano.exe (PID: 2344)
    • Changes the autorun value in the registry

      • nano.exe (PID: 2344)
    • Drops executable file immediately after starts

      • 4f439877b84b51b8caa48ae81e1d2363.exe (PID: 3640)
      • nano.exe (PID: 2344)
    • Application was dropped or rewritten from another process

      • nano.exe (PID: 2344)
      • output.exe (PID: 2252)
  • SUSPICIOUS

    • Reads the computer name

      • 4f439877b84b51b8caa48ae81e1d2363.exe (PID: 3640)
      • output.exe (PID: 2252)
      • nano.exe (PID: 2344)
    • Checks supported languages

      • nano.exe (PID: 2344)
      • output.exe (PID: 2252)
      • 4f439877b84b51b8caa48ae81e1d2363.exe (PID: 3640)
    • Executable content was dropped or overwritten

      • 4f439877b84b51b8caa48ae81e1d2363.exe (PID: 3640)
      • nano.exe (PID: 2344)
    • Creates files in the user directory

      • nano.exe (PID: 2344)
    • Drops a file with a compile date too recent

      • 4f439877b84b51b8caa48ae81e1d2363.exe (PID: 3640)
    • Creates files in the program directory

      • 4f439877b84b51b8caa48ae81e1d2363.exe (PID: 3640)
    • Reads Environment values

      • nano.exe (PID: 2344)
  • 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 | Generic CIL Executable (.NET, Mono, etc.) (56.7)
.exe | Win64 Executable (generic) (21.3)
.scr | Windows screen saver (10.1)
.dll | Win32 Dynamic Link Library (generic) (5)
.exe | Win32 Executable (generic) (3.4)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2022:01:07 16:39:33+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 260096
InitializedDataSize: 16896
UninitializedDataSize: -
EntryPoint: 0x4171e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 7.2.0.0
ProductVersionNumber: 7.2.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
FileDescription:
FileVersion: 7.2
InternalName: Valorant VP Generator.exe
LegalCopyright:
OriginalFileName: Valorant VP Generator.exe
ProductVersion: 7.2
AssemblyVersion: 7.2.0.0

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 07-Jan-2022 15:39:33
FileDescription: -
FileVersion: 7.2
InternalName: Valorant VP Generator.exe
LegalCopyright: -
OriginalFilename: Valorant VP Generator.exe
ProductVersion: 7.2
Assembly Version: 7.2.0.0

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: 07-Jan-2022 15:39:33
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x0003F724
0x0003F800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
7.20683
.rsrc
0x00042000
0x00003EA0
0x00004000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.6644
.reloc
0x00046000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.25783
620
UNKNOWN
UNKNOWN
RT_VERSION
2
2.60313
1128
UNKNOWN
UNKNOWN
RT_ICON
3
2.51276
4264
UNKNOWN
UNKNOWN
RT_ICON
4
3.63645
9640
UNKNOWN
UNKNOWN
RT_ICON
32512
2.49203
48
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
37
Monitored processes
3
Malicious processes
1
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start drop and start start 4f439877b84b51b8caa48ae81e1d2363.exe #NANOCORE nano.exe output.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3640"C:\Users\admin\AppData\Local\Temp\4f439877b84b51b8caa48ae81e1d2363.exe" C:\Users\admin\AppData\Local\Temp\4f439877b84b51b8caa48ae81e1d2363.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
7.2
2344"C:\ProgramData\nano.exe" C:\ProgramData\nano.exe
4f439877b84b51b8caa48ae81e1d2363.exe
User:
admin
Integrity Level:
MEDIUM
2252"C:\ProgramData\output.exe" C:\ProgramData\output.exe4f439877b84b51b8caa48ae81e1d2363.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
Total events
723
Read events
714
Write events
9
Delete events
0

Modification events

(PID) Process:(3640) 4f439877b84b51b8caa48ae81e1d2363.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3640) 4f439877b84b51b8caa48ae81e1d2363.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3640) 4f439877b84b51b8caa48ae81e1d2363.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3640) 4f439877b84b51b8caa48ae81e1d2363.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(2344) nano.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:TCP Monitor
Value:
C:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exe
Executable files
3
Suspicious files
1
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
36404f439877b84b51b8caa48ae81e1d2363.exeC:\ProgramData\nano.exeexecutable
MD5:94115D1343C7C81682FE2D48CB9F8B96
SHA256:D9BA471F10C78E3DFA01274B8601FDFF6F0D7971824D24D50DF21F619A1AB502
2344nano.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.datbinary
MD5:A26BD7806FEEA157938B6D280FC310DE
SHA256:400908905B9304949F96682AAAC84E8209D9AF3D531FDCFA61898958B6D12E64
2344nano.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:94115D1343C7C81682FE2D48CB9F8B96
SHA256:D9BA471F10C78E3DFA01274B8601FDFF6F0D7971824D24D50DF21F619A1AB502
36404f439877b84b51b8caa48ae81e1d2363.exeC:\ProgramData\output.exeexecutable
MD5:BF3C8FF8097814C773B0E86495FD0013
SHA256:9E760C9961936C729F09364FFF9CFC9C1B4EC878A2B47CE7DE4DF934E77582AF
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
8
DNS requests
8
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
2344
nano.exe
20.79.206.212:6000
alpay.germanywestcentral.cloudapp.azure.com
US
malicious
20.79.206.212:6000
alpay.germanywestcentral.cloudapp.azure.com
US
malicious

DNS requests

Domain
IP
Reputation
alpay.germanywestcentral.cloudapp.azure.com
  • 20.79.206.212
malicious

Threats

No threats detected
No debug info