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File name:

zzoffer.bin

Full analysis: https://app.any.run/tasks/7933ee44-8213-4939-8535-019d10114ed8
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: October 14, 2019, 12:14:01
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, for MS Windows
MD5:

0BD81AF00A7EEE894AB050C982242192

SHA1:

1A6E9530F1BCDB8B6D3E25159B9D523EF2259723

SHA256:

73102B5CD20C48CFD222D9AD0B618F069493A7EC566480C9B4871CBB2723A3AC

SSDEEP:

24576:nCdxte/80jYLT3U1jfsWaBR3Mn00bzwIMpOKH8DQ:Ww80cTsjkWaBvIbyx

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

    • Writes to a start menu file

      • zzoffer.bin.exe (PID: 1316)
    • Changes the autorun value in the registry

      • RegSvcs.exe (PID: 1216)
    • Application was dropped or rewritten from another process

      • RegSvcs.exe (PID: 1216)
    • NANOCORE was detected

      • RegSvcs.exe (PID: 1216)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • zzoffer.bin.exe (PID: 1316)
      • RegSvcs.exe (PID: 1216)
    • Creates files in the user directory

      • RegSvcs.exe (PID: 1216)
      • zzoffer.bin.exe (PID: 1316)
    • Connects to unusual port

      • RegSvcs.exe (PID: 1216)
  • 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: 2019:10:10 10:26:08+02:00
PEType: PE32
LinkerVersion: 12
CodeSize: 581120
InitializedDataSize: 728064
UninitializedDataSize: -
EntryPoint: 0x27f4a
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 460.40.396.579
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Unknown (0)
ObjectFileType: Unknown
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Unicode
FileDescription: BFE
OriginalFileName: bitsadmin.exe
CompanyName: fsavailux
LegalCopyright: ntprint
ProductName: basesrv
ProductVersion: 935, 445, 578, 921

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-Oct-2019 08:26:08
Detected languages:
  • English - United Kingdom
  • English - United States
  • French - France
FileDescription: BFE
OriginalFilename: bitsadmin.exe
CompanyName: fsavailux
LegalCopyright: ntprint
ProductName: basesrv
ProductVersion: 935, 445, 578, 921

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: 10-Oct-2019 08:26:08
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
0x0008DD2E
0x0008DE00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67588
.rdata
0x0008F000
0x0002E10E
0x0002E200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.76073
.data
0x000BE000
0x00008F74
0x00005200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.19881
.rsrc
0x000C7000
0x00077407
0x00077600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.70053
.reloc
0x0013F000
0x00007130
0x00007200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.78238

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.40026
1007
Latin 1 / Western European
English - United Kingdom
RT_MANIFEST
2
2.05883
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
3
2.25499
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
4
2.32203
60104
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
11
3.26322
1628
Latin 1 / Western European
English - United Kingdom
RT_STRING
12
3.25812
1126
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.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start zzoffer.bin.exe #NANOCORE regsvcs.exe

Process information

PID
CMD
Path
Indicators
Parent process
1316"C:\Users\admin\AppData\Local\Temp\zzoffer.bin.exe" C:\Users\admin\AppData\Local\Temp\zzoffer.bin.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
1216"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
zzoffer.bin.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Services Installation Utility
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Total events
178
Read events
177
Write events
1
Delete events
0

Modification events

(PID) Process:(1216) RegSvcs.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
2
Suspicious files
0
Text files
1
Unknown types
1

Dropped files

PID
Process
Filename
Type
1216RegSvcs.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.dattext
MD5:DFAE07138A54DBA9067F879F1309037E
SHA256:63DB3CE3D2F6633BC643DE5278513BD8A3D5D0B351C2FBCCFCB2EA79ED3092FB
1216RegSvcs.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:D79F070423FDD3F01CE8C2BA3FBBC8ED
SHA256:97BD627EBFC4D40B21EBAAED916A1BA53859520EDC99537B37D042A0D5425A5A
1316zzoffer.bin.exeC:\USER-PC\MusNotifyIcon\SnippingTool.screxecutable
MD5:0BD81AF00A7EEE894AB050C982242192
SHA256:73102B5CD20C48CFD222D9AD0B618F069493A7EC566480C9B4871CBB2723A3AC
1316zzoffer.bin.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MusNotifyIcon.lnklnk
MD5:19380AFFD469B8AAD5CDCBFB73D0361D
SHA256:F9BDA205D0811D4B6AD72D2A1F54FE1FE13B744DB29E35822AF87D33064F0302
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
6
DNS requests
3
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
1216
RegSvcs.exe
37.235.1.174:53
ANEXIA Internetdienstleistungs GmbH
AT
suspicious
1216
RegSvcs.exe
185.104.184.149:60032
kene32145.ddns.net
M247 Ltd
DE
unknown

DNS requests

Domain
IP
Reputation
kene32145.ddns.net
  • 185.104.184.149
malicious

Threats

No threats detected
No debug info