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File name:

Payment.exe

Full analysis: https://app.any.run/tasks/2a0ae292-aa24-4bd0-b9af-5c543efb165c
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 22, 2019, 14:56:54
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 Mono/.Net assembly, for MS Windows
MD5:

F900E17F31ACBBB6171B8D8852E018F9

SHA1:

4735308FC009672E0513152387862A140767368B

SHA256:

CF1DAF011661284F9989CDEF36703CB1DEF905AB0E3D2DABB00D862FBE4A9775

SSDEEP:

24576:8yaBxxfBbtZybAR+0j54lYxp2N8Rpwhtg53LTKVOjNi6ZRx/Io8meWkuHehVIYoc:AryhZGrG3

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

      • RegAsm.exe (PID: 2472)
    • Changes the autorun value in the registry

      • Payment.exe (PID: 3116)
    • Connects to CnC server

      • RegAsm.exe (PID: 2472)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • Payment.exe (PID: 3116)
    • Creates files in the user directory

      • RegAsm.exe (PID: 2472)
      • Payment.exe (PID: 3116)
    • Connects to unusual port

      • RegAsm.exe (PID: 2472)
  • 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.) (62)
.exe | Win64 Executable (generic) (23.3)
.dll | Win32 Dynamic Link Library (generic) (5.5)
.exe | Win32 Executable (generic) (3.8)
.exe | Win16/32 Executable Delphi generic (1.7)

EXIF

EXE

AssemblyVersion: 0.0.0.0
ProductVersion: 0.0.0.0
OriginalFileName: DPYeCrhWRYowCzrSm.exe
LegalCopyright:
InternalName: DPYeCrhWRYowCzrSm.exe
FileVersion: 0.0.0.0
FileDescription:
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 0.0.0.0
FileVersionNumber: 0.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x1de2ce
UninitializedDataSize: -
InitializedDataSize: 2560
CodeSize: 1950720
LinkerVersion: 6
PEType: PE32
TimeStamp: 2019:01:21 12:45:23+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 21-Jan-2019 11:45:23
Debug artifacts:
  • DPYeCrhWRYowCzrSm.pdb
FileDescription: -
FileVersion: 0.0.0.0
InternalName: DPYeCrhWRYowCzrSm.exe
LegalCopyright: -
OriginalFilename: DPYeCrhWRYowCzrSm.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

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: 4
Time date stamp: 21-Jan-2019 11:45:23
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
0x001DC2D4
0x001DC400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
4.14311
.sdata
0x001E0000
0x000001E8
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
6.63542
.rsrc
0x001E2000
0x000004F8
0x00000600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.82608
.reloc
0x001E4000
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
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
31
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
3116"C:\Users\admin\AppData\Local\Temp\Payment.exe" C:\Users\admin\AppData\Local\Temp\Payment.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Version:
0.0.0.0
2472"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
Payment.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
45
Read events
44
Write events
1
Delete events
0

Modification events

(PID) Process:(3116) Payment.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:startupname
Value:
C:\Users\admin\AppData\Roaming\filename.exe
Executable files
1
Suspicious files
1
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
2472RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:6668377AA5CAB366111FFC77D84700B8
SHA256:F9D20950049373CF5D94990A2E2D2C0070431D7F3980B91139434CA6EC22B3DB
3116Payment.exeC:\Users\admin\AppData\Roaming\filename.exeexecutable
MD5:F900E17F31ACBBB6171B8D8852E018F9
SHA256:CF1DAF011661284F9989CDEF36703CB1DEF905AB0E3D2DABB00D862FBE4A9775
2472RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.datbs
MD5:32D0AAE13696FF7F8AF33B2D22451028
SHA256:5347661365E7AD2C1ACC27AB0D150FFA097D9246BB3626FCA06989E976E8DD29
2472RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.binbinary
MD5:4E5E92E2369688041CC82EF9650EDED2
SHA256:F8098A6290118F2944B9E7C842BD014377D45844379F863B00D54515A8A64B48
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
2
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
2472
RegAsm.exe
179.43.149.23:52802
alord.duckdns.org
Private Layer INC
CH
malicious
2472
RegAsm.exe
8.8.8.8:53
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
alord.duckdns.org
  • 179.43.149.23
malicious

Threats

PID
Process
Class
Message
2472
RegAsm.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2472
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2472
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2472
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2472
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2472
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2472
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2472
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2472
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2472
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
31 ETPRO signatures available at the full report
No debug info