MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01e0e23344d864274234eec885025ab002f0aa985dce543cdb7b4462171a58e3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


NanoCore


Vendor detections: 9


Intelligence 9 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 01e0e23344d864274234eec885025ab002f0aa985dce543cdb7b4462171a58e3
SHA3-384 hash: 7c6b3609976fd42d7ca1a54e81ab484f40fd0cd565cea45b27e4e525edc9805bb7437c1fc2a4f9a0c8d3fe7681b5eff7
SHA1 hash: db12223ea1561902a0f8707fbd7c916182dffb79
MD5 hash: 4ea0267f8c919b6760887fe3d5ea7f65
humanhash: violet-eleven-eight-december
File name:ISO OVERVIEW1552021, pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:862'720 bytes
First seen:2021-05-15 09:51:09 UTC
Last seen:2021-05-15 10:02:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:rdtLApo1RPEeq1tSE1F58f+4nPKMfOX5PpP5g546wSbX3NHQ8CL:DLao1RPEea178WkLfOX5pRW46FD3Nw1
Threatray 1'908 similar samples on MalwareBazaar
TLSH 5605D08417D49A1AE67F2BFC01D44020A3B0552BE49BE7AD4FC164FE2C77F618A4D1AB
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.8:6534

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.8:6534 https://threatfox.abuse.ch/ioc/42827/

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ISO OVERVIEW1552021, pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-15 09:52:40 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/ee8bed1e-48b4-45ef-b6a7-72278badeb0e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/157333/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/782726
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 415122 Sample: ISO OVERVIEW1552021, pdf.exe Startdate: 15/05/2021 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->54 56 10 other signatures 2->56 8 ISO OVERVIEW1552021, pdf.exe 3 2->8         started        12 dhcpmon.exe 3 2->12         started        14 ISO OVERVIEW1552021, pdf.exe 2 2->14         started        16 dhcpmon.exe 2->16         started        process3 file4 46 C:\Users\...\ISO OVERVIEW1552021, pdf.exe.log, ASCII 8->46 dropped 58 Injects a PE file into a foreign processes 8->58 18 ISO OVERVIEW1552021, pdf.exe 1 12 8->18         started        22 dhcpmon.exe 2 12->22         started        24 dhcpmon.exe 12->24         started        26 ISO OVERVIEW1552021, pdf.exe 2 14->26         started        28 dhcpmon.exe 16->28         started        signatures5 process6 dnsIp7 48 79.134.225.8, 6534 FINK-TELECOM-SERVICESCH Switzerland 18->48 38 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->38 dropped 40 C:\Users\user\AppData\Roaming\...\run.dat, data 18->40 dropped 42 C:\Users\user\AppData\Local\...\tmp15ED.tmp, XML 18->42 dropped 44 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->44 dropped 30 schtasks.exe 1 18->30         started        32 schtasks.exe 1 18->32         started        file8 process9 process10 34 conhost.exe 30->34         started        36 conhost.exe 32->36         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/01e0e23344d864274234eec885025ab002f0aa985dce543cdb7b4462171a58e3/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ahqoem2e3bscoqru53eikas2wabpbkuylxhfipg3pncgefy2ldrq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'898 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210515-v2flt4t612/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
79.134.225.8:6534
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/01e0e23344d864274234eec885025ab002f0aa985dce543cdb7b4462171a58e3

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ach_NanoCore
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Create hunting rule
Author: Kevin Breen <kevin@techanarchy.net>

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/157333/

Comments