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File name:

Product catalogue.xlsx

Full analysis: https://app.any.run/tasks/292fb004-e854-43fb-8442-b385f7312242
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 19, 2019, 13:28:37
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
encrypted
exploit
CVE-2017-11882
rat
nanocore
trojan
Indicators:
MIME: application/encrypted
File info: CDFV2 Encrypted
MD5:

9373E9A023AD342D124C53C3B8FA531F

SHA1:

043494526A0059C47BB3EDA24C33C9791AE36563

SHA256:

2104BEC2CEC495DC006773FFEB5CCD1E058D0DB5B3DC326542C8691AD1101934

SSDEEP:

1536:+vaVVUzTxzgPKMegwxxhQYN/kzvVqj7q0SRlLcRCEIyN1yMrzbJH4NXKsyv/rDCo:+mUfmPzegwxx6TzvVqjeLRuZIM8slYa7

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: 2000)
    • Equation Editor starts application (CVE-2017-11882)

      • EQNEDT32.EXE (PID: 2844)
    • Application was dropped or rewritten from another process

      • svchost.exe (PID: 880)
      • RegAsm.exe (PID: 2000)
    • Changes the autorun value in the registry

      • RegAsm.exe (PID: 2000)
    • Connects to CnC server

      • RegAsm.exe (PID: 2000)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • EQNEDT32.EXE (PID: 2844)
      • RegAsm.exe (PID: 2000)
    • Creates files in the user directory

      • EQNEDT32.EXE (PID: 2844)
      • RegAsm.exe (PID: 2000)
    • Executed via COM

      • EQNEDT32.EXE (PID: 2844)
    • Creates executable files which already exist in Windows

      • EQNEDT32.EXE (PID: 2844)
  • INFO

    • Reads Microsoft Office registry keys

      • EXCEL.EXE (PID: 3384)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
4
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start drop and start excel.exe no specs eqnedt32.exe svchost.exe no specs #NANOCORE regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
3384"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /ddeC:\Program Files\Microsoft Office\Office14\EXCEL.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Excel
Version:
14.0.6024.1000
2844"C:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -EmbeddingC:\Program Files\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
svchost.exe
User:
admin
Company:
Design Science, Inc.
Integrity Level:
MEDIUM
Description:
Microsoft Equation Editor
Exit code:
0
Version:
00110900
880"C:\Users\Public\svchost.exe" C:\Users\Public\svchost.exeEQNEDT32.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2000"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
svchost.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
665
Read events
611
Write events
0
Delete events
0

Modification events

No data
Executable files
3
Suspicious files
3
Text files
0
Unknown types
2

Dropped files

PID
Process
Filename
Type
3384EXCEL.EXEC:\Users\admin\AppData\Local\Temp\CVRECD.tmp.cvr
MD5:
SHA256:
2000RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\run.datbinary
MD5:642C94362A596340AF5D73FC86CBC3CA
SHA256:5F3088C20ADC7E39BEADA0FB4959D97CE1869D9B860C3E7FF407211C59CE61E4
2844EQNEDT32.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\H6QNMHE9\new[1].exeexecutable
MD5:BBDDEFFC4177BCA5F06394D76DE35624
SHA256:BBE076582474870FE64391F4A25B520BB652EBBEED75B4D1E3D91B8AEAD338A7
2844EQNEDT32.EXEC:\Users\Public\svchost.exeexecutable
MD5:BBDDEFFC4177BCA5F06394D76DE35624
SHA256:BBE076582474870FE64391F4A25B520BB652EBBEED75B4D1E3D91B8AEAD338A7
2000RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\storage.datbinary
MD5:643EACADAC22CF46698563E2F8CA4B02
SHA256:0DA7EB05C22AA4865B10DE88FA468C50B18B91402A04D94C6E7556EB724EBDCB
2000RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\settings.binbinary
MD5:4E5E92E2369688041CC82EF9650EDED2
SHA256:F8098A6290118F2944B9E7C842BD014377D45844379F863B00D54515A8A64B48
2844EQNEDT32.EXEC:\Users\admin\AppData\Roaming\Microsoft\Windows\IETldCache\index.datdat
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862
SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A
2000RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\catalog.datbs
MD5:32D0AAE13696FF7F8AF33B2D22451028
SHA256:5347661365E7AD2C1ACC27AB0D150FFA097D9246BB3626FCA06989E976E8DD29
2000RegAsm.exeC:\Users\admin\AppData\Roaming\90059C37-1320-41A4-B58D-2B75A9850D2F\TCP Monitor\tcpmon.exeexecutable
MD5:278EDBD499374BF73621F8C1F969D894
SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
3
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
2844
EQNEDT32.EXE
5.77.60.176:443
prosec.co.tz
iomart Cloud Services Limited.
GB
suspicious
2000
RegAsm.exe
160.116.15.155:1122
nanoman.ddns.net
ZA
malicious
2000
RegAsm.exe
8.8.8.8:53
Google Inc.
US
whitelisted

DNS requests

Domain
IP
Reputation
prosec.co.tz
  • 5.77.60.176
unknown
nanoman.ddns.net
  • 160.116.15.155
malicious

Threats

PID
Process
Class
Message
2000
RegAsm.exe
A Network Trojan was detected
ET TROJAN Possible NanoCore C2 60B
2000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
2000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] NanoCore.RAT
12 ETPRO signatures available at the full report
No debug info